- if(getTableTypes[j][0].equals(types[i])) {
- sql.append(getTableTypes[j][1]);
- notFirst=true;
- }
- }
-
- // Added by Stefan Andreasen
- // Now take the pattern into account
- sql.append(") and relname like '");
- sql.append(tableNamePattern.toLowerCase());
- sql.append("'");
-
- // Now run the query
- r = connection.ExecSQL(sql.toString());
-
- byte remarks[];
-
- while (r.next())
- {
- byte[][] tuple = new byte[5][0];
-
- // Fetch the description for the table (if any)
- java.sql.ResultSet dr = connection.ExecSQL("select description from pg_description where objoid="+r.getInt(2));
- if(((postgresql.ResultSet)dr).getTupleCount()==1) {
- dr.next();
- remarks = dr.getBytes(1);
- } else
- remarks = defaultRemarks;
- dr.close();
-
- tuple[0] = null; // Catalog name
- tuple[1] = null; // Schema name
- tuple[2] = r.getBytes(1); // Table name
- tuple[3] = null; // Table type
- tuple[4] = remarks; // Remarks
- v.addElement(tuple);
- }
- r.close();
- return new ResultSet(connection, f, v, "OK", 1);
- }
-
- // This array contains the valid values for the types argument
- // in getTables().
- //
- // Each supported type consists of it's name, and the sql where
- // clause to retrieve that value.
- //
- // IMPORTANT: the query must be enclosed in ( )
- private static final String getTableTypes[][] = {
- {"TABLE", "(relkind='r' and relname !~ '^pg_')"},
- {"INDEX", "(relkind='i' and relname !~ '^pg_')"},
- {"SEQUENCE", "(relkind='S' and relname !~ '^pg_')"},
- {"SYSTEM TABLE", "(relkind='r' and relname ~ '^pg_')"},
- {"SYSTEM INDEX", "(relkind='i' and relname ~ '^pg_')"}
- };
-
- // These are the default tables, used when NULL is passed to getTables
- // The choice of these provide the same behaviour as psql's \d
- private static final String defaultTableTypes[] = {
- "TABLE","INDEX","SEQUENCE"
- };
-
- /**
- * Get the schema names available in this database. The results
- * are ordered by schema name.
- *
- *
The schema column is:
- *
TABLE_SCHEM String => schema name
- *
- *
- * @return ResultSet each row has a single String column that is a
- * schema name
- */
- public java.sql.ResultSet getSchemas() throws SQLException
- {
- // We don't use schemas, so we simply return a single schema name "".
- //
- Field f[] = new Field[1];
- Vector v = new Vector();
- byte[][] tuple = new byte[1][0];
- f[0] = new Field(connection,new String("TABLE_SCHEM"),iVarcharOid,32);
- tuple[0] = "".getBytes();
- v.addElement(tuple);
- return new ResultSet(connection,f,v,"OK",1);
- }
-
- /**
- * Get the catalog names available in this database. The results
- * are ordered by catalog name.
- *
- *
The catalog column is:
- *
TABLE_CAT String => catalog name
- *
- *
- * @return ResultSet each row has a single String column that is a
- * catalog name
- */
- public java.sql.ResultSet getCatalogs() throws SQLException
- {
- // We don't use catalogs, so we simply return a single catalog name "".
- Field f[] = new Field[1];
- Vector v = new Vector();
- byte[][] tuple = new byte[1][0];
- f[0] = new Field(connection,new String("TABLE_CAT"),iVarcharOid,32);
- tuple[0] = "".getBytes();
- v.addElement(tuple);
- return new ResultSet(connection,f,v,"OK",1);
- }
-
- /**
- * Get the table types available in this database. The results
- * are ordered by table type.
- *
- *
TABLE_TYPE String => table type. Typical types are "TABLE",
- * "VIEW", "SYSTEM TABLE", "GLOBAL TEMPORARY",
- * "LOCAL TEMPORARY", "ALIAS", "SYNONYM".
- *
- *
- * @return ResultSet each row has a single String column that is a
- * table type
- */
- public java.sql.ResultSet getTableTypes() throws SQLException
- {
- Field f[] = new Field[1];
- Vector v = new Vector();
- byte[][] tuple = new byte[1][0];
- f[0] = new Field(connection,new String("TABLE_TYPE"),iVarcharOid,32);
- for(int i=0;i
- tuple[0] = getTableTypes[i][0].getBytes();
- v.addElement(tuple);
- }
- return new ResultSet(connection,f,v,"OK",1);
- }
-
- /**
- * Get a description of table columns available in a catalog.
- *
- *
Only column descriptions matching the catalog, schema, table
- * and column name criteria are returned. They are ordered by
- * TABLE_SCHEM, TABLE_NAME and ORDINAL_POSITION.
- *
- *
Each column description has the following columns:
- *
TABLE_CAT String => table catalog (may be null)
- *
TABLE_SCHEM String => table schema (may be null)
- *
TABLE_NAME String => table name
- *
COLUMN_NAME String => column name
- *
DATA_TYPE short => SQL type from java.sql.Types
- *
TYPE_NAME String => Data source dependent type name
- *
COLUMN_SIZE int => column size. For char or date
- * types this is the maximum number of characters, for numeric or
- * decimal types this is precision.
- *
BUFFER_LENGTH is not used.
- *
DECIMAL_DIGITS int => the number of fractional digits
- *
NUM_PREC_RADIX int => Radix (typically either 10 or 2)
- *
NULLABLE int => is NULL allowed?
- *
columnNoNulls - might not allow NULL values
- *
columnNullable - definitely allows NULL values
- *
columnNullableUnknown - nullability unknown
- *
- *
REMARKS String => comment describing column (may be null)
- *
COLUMN_DEF String => default value (may be null)
- *
SQL_DATA_TYPE int => unused
- *
SQL_DATETIME_SUB int => unused
- *
CHAR_OCTET_LENGTH int => for char types the
- * maximum number of bytes in the column
- *
ORDINAL_POSITION int => index of column in table
- * (starting at 1)
- *
IS_NULLABLE String => "NO" means column definitely
- * does not allow NULL values; "YES" means the column might
- * allow NULL values. An empty string means nobody knows.
- *
- *
- * @param catalog a catalog name; "" retrieves those without a catalog
- * @param schemaPattern a schema name pattern; "" retrieves those
- * without a schema
- * @param tableNamePattern a table name pattern
- * @param columnNamePattern a column name pattern
- * @return ResultSet each row is a column description
- * @see #getSearchStringEscape
- */
- public java.sql.ResultSet getColumns(String catalog, String schemaPattern, String tableNamePattern, String columnNamePattern) throws SQLException
- {
- // the field descriptors for the new ResultSet
- Field f[] = new Field[18];
- java.sql.ResultSet r; // ResultSet for the SQL query that we need to do
- Vector v = new Vector(); // The new ResultSet tuple stuff
-
- f[0] = new Field(connection, new String("TABLE_CAT"), iVarcharOid, 32);
- f[1] = new Field(connection, new String("TABLE_SCHEM"), iVarcharOid, 32);
- f[2] = new Field(connection, new String("TABLE_NAME"), iVarcharOid, 32);
- f[3] = new Field(connection, new String("COLUMN_NAME"), iVarcharOid, 32);
- f[4] = new Field(connection, new String("DATA_TYPE"), iInt2Oid, 2);
- f[5] = new Field(connection, new String("TYPE_NAME"), iVarcharOid, 32);
- f[6] = new Field(connection, new String("COLUMN_SIZE"), iInt4Oid, 4);
- f[7] = new Field(connection, new String("BUFFER_LENGTH"), iVarcharOid, 32);
- f[8] = new Field(connection, new String("DECIMAL_DIGITS"), iInt4Oid, 4);
- f[9] = new Field(connection, new String("NUM_PREC_RADIX"), iInt4Oid, 4);
- f[10] = new Field(connection, new String("NULLABLE"), iInt4Oid, 4);
- f[11] = new Field(connection, new String("REMARKS"), iVarcharOid, 32);
- f[12] = new Field(connection, new String("COLUMN_DEF"), iVarcharOid, 32);
- f[13] = new Field(connection, new String("SQL_DATA_TYPE"), iInt4Oid, 4);
- f[14] = new Field(connection, new String("SQL_DATETIME_SUB"), iInt4Oid, 4);
- f[15] = new Field(connection, new String("CHAR_OCTET_LENGTH"), iVarcharOid, 32);
- f[16] = new Field(connection, new String("ORDINAL_POSITION"), iInt4Oid,4);
- f[17] = new Field(connection, new String("IS_NULLABLE"), iVarcharOid, 32);
-
- // Added by Stefan Andreasen
- // If the pattern are null then set them to %
- if (tableNamePattern == null) tableNamePattern="%";
- if (columnNamePattern == null) columnNamePattern="%";
-
- // Now form the query
- // Modified by Stefan Andreasen
- r = connection.ExecSQL("select a.oid,c.relname,a.attname,a.atttypid,a.attnum,a.attnotnull,a.attlen,a.atttypmod from pg_class c, pg_attribute a where a.attrelid=c.oid and c.relname like '"+tableNamePattern.toLowerCase()+"' and a.attname like '"+columnNamePattern.toLowerCase()+"' and a.attnum>0 order by c.relname,a.attnum");
-
- byte remarks[];
-
- while(r.next()) {
- byte[][] tuple = new byte[18][0];
-
- // Fetch the description for the table (if any)
- java.sql.ResultSet dr = connection.ExecSQL("select description from pg_description where objoid="+r.getInt(1));
- if(((postgresql.ResultSet)dr).getTupleCount()==1) {
- dr.next();
- tuple[11] = dr.getBytes(1);
- } else
- tuple[11] = defaultRemarks;
-
- dr.close();
-
- tuple[0] = "".getBytes(); // Catalog name
- tuple[1] = "".getBytes(); // Schema name
- tuple[2] = r.getBytes(2); // Table name
- tuple[3] = r.getBytes(3); // Column name
-
- dr = connection.ExecSQL("select typname from pg_type where oid = "+r.getString(4));
- dr.next();
- String typname=dr.getString(1);
- dr.close();
- tuple[4] = Integer.toString(Field.getSQLType(typname)).getBytes(); // Data type
- tuple[5] = typname.getBytes(); // Type name
-
- // Column size
- // Looking at the psql source,
- // I think the length of a varchar as specified when the table was created
- // should be extracted from atttypmod which contains this length + sizeof(int32)
- if (typname.equals("bpchar") || typname.equals("varchar")) {
- int atttypmod = r.getInt(8);
- tuple[6] = Integer.toString(atttypmod != -1 ? atttypmod - VARHDRSZ : 0).getBytes();
- } else
- tuple[6] = r.getBytes(7);
-
- tuple[7] = null; // Buffer length
-
- tuple[8] = "0".getBytes(); // Decimal Digits - how to get this?
- tuple[9] = "10".getBytes(); // Num Prec Radix - assume decimal
-
- // tuple[10] is below
- // tuple[11] is above
-
- tuple[12] = null; // column default
-
- tuple[13] = null; // sql data type (unused)
- tuple[14] = null; // sql datetime sub (unused)
-
- tuple[15] = tuple[6]; // char octet length
-
- tuple[16] = r.getBytes(5); // ordinal position
-
- String nullFlag = r.getString(6);
- tuple[10] = Integer.toString(nullFlag.equals("f")?java.sql.DatabaseMetaData.columnNullable:java.sql.DatabaseMetaData.columnNoNulls).getBytes(); // Nullable
- tuple[17] = (nullFlag.equals("f")?"YES":"NO").getBytes(); // is nullable
-
- v.addElement(tuple);
- }
- r.close();
- return new ResultSet(connection, f, v, "OK", 1);
- }
-
- /**
- * Get a description of the access rights for a table's columns.
- *
- *
Only privileges matching the column name criteria are
- * returned. They are ordered by COLUMN_NAME and PRIVILEGE.
- *
- *
Each privilige description has the following columns:
- *
TABLE_CAT String => table catalog (may be null)
- *
TABLE_SCHEM String => table schema (may be null)
- *
TABLE_NAME String => table name
- *
COLUMN_NAME String => column name
- *
GRANTOR => grantor of access (may be null)
- *
GRANTEE String => grantee of access
- *
PRIVILEGE String => name of access (SELECT,
- * INSERT, UPDATE, REFRENCES, ...)
- *
IS_GRANTABLE String => "YES" if grantee is permitted
- * to grant to others; "NO" if not; null if unknown
- *
- *
- * @param catalog a catalog name; "" retrieves those without a catalog
- * @param schema a schema name; "" retrieves those without a schema
- * @param table a table name
- * @param columnNamePattern a column name pattern
- * @return ResultSet each row is a column privilege description
- * @see #getSearchStringEscape
- */
- public java.sql.ResultSet getColumnPrivileges(String catalog, String schema, String table, String columnNamePattern) throws SQLException
- {
- Field f[] = new Field[8];
- Vector v = new Vector();
-
- if(table==null)
- table="%";
-
- if(columnNamePattern==null)
- columnNamePattern="%";
- else
- columnNamePattern=columnNamePattern.toLowerCase();
-
- f[0] = new Field(connection,new String("TABLE_CAT"),iVarcharOid,32);
- f[1] = new Field(connection,new String("TABLE_SCHEM"),iVarcharOid,32);
- f[2] = new Field(connection,new String("TABLE_NAME"),iVarcharOid,32);
- f[3] = new Field(connection,new String("COLUMN_NAME"),iVarcharOid,32);
- f[4] = new Field(connection,new String("GRANTOR"),iVarcharOid,32);
- f[5] = new Field(connection,new String("GRANTEE"),iVarcharOid,32);
- f[6] = new Field(connection,new String("PRIVILEGE"),iVarcharOid,32);
- f[7] = new Field(connection,new String("IS_GRANTABLE"),iVarcharOid,32);
-
- // This is taken direct from the psql source
- java.sql.ResultSet r = connection.ExecSQL("SELECT relname, relacl FROM pg_class, pg_user WHERE ( relkind = 'r' OR relkind = 'i') and relname !~ '^pg_' and relname !~ '^xin[vx][0-9]+' and usesysid = relowner and relname like '"+table.toLowerCase()+"' ORDER BY relname");
- while(r.next()) {
- byte[][] tuple = new byte[8][0];
- tuple[0] = tuple[1]= "".getBytes();
- DriverManager.println("relname=\""+r.getString(1)+"\" relacl=\""+r.getString(2)+"\"");
-
- // For now, don't add to the result as relacl needs to be processed.
- //v.addElement(tuple);
- }
-
- return new ResultSet(connection,f,v,"OK",1);
- }
-
- /**
- * Get a description of the access rights for each table available
- * in a catalog.
- *
- *
Only privileges matching the schema and table name
- * criteria are returned. They are ordered by TABLE_SCHEM,
- * TABLE_NAME, and PRIVILEGE.
- *
- *
Each privilige description has the following columns:
- *
TABLE_CAT String => table catalog (may be null)
- *
TABLE_SCHEM String => table schema (may be null)
- *
TABLE_NAME String => table name
- *
COLUMN_NAME String => column name
- *
GRANTOR => grantor of access (may be null)
- *
GRANTEE String => grantee of access
- *
PRIVILEGE String => name of access (SELECT,
- * INSERT, UPDATE, REFRENCES, ...)
- *
IS_GRANTABLE String => "YES" if grantee is permitted
- * to grant to others; "NO" if not; null if unknown
- *
- *
- * @param catalog a catalog name; "" retrieves those without a catalog
- * @param schemaPattern a schema name pattern; "" retrieves those
- * without a schema
- * @param tableNamePattern a table name pattern
- * @return ResultSet each row is a table privilege description
- * @see #getSearchStringEscape
- */
- public java.sql.ResultSet getTablePrivileges(String catalog, String schemaPattern, String tableNamePattern) throws SQLException
- {
- // XXX-Not Implemented
- return null;
- }
-
- /**
- * Get a description of a table's optimal set of columns that
- * uniquely identifies a row. They are ordered by SCOPE.
- *
- *
Each column description has the following columns:
- *
SCOPE short => actual scope of result
- *
bestRowTemporary - very temporary, while using row
- *
bestRowTransaction - valid for remainder of current transaction
- *
bestRowSession - valid for remainder of current session
- *
- *
COLUMN_NAME String => column name
- *
DATA_TYPE short => SQL data type from java.sql.Types
- *
TYPE_NAME String => Data source dependent type name
- *
COLUMN_SIZE int => precision
- *
BUFFER_LENGTH int => not used
- *
DECIMAL_DIGITS short => scale
- *
PSEUDO_COLUMN short => is this a pseudo column
- * like an Oracle ROWID
- *
bestRowUnknown - may or may not be pseudo column
- *
bestRowNotPseudo - is NOT a pseudo column
- *
bestRowPseudo - is a pseudo column
- *
- *
- *
- * @param catalog a catalog name; "" retrieves those without a catalog
- * @param schema a schema name; "" retrieves those without a schema
- * @param table a table name
- * @param scope the scope of interest; use same values as SCOPE
- * @param nullable include columns that are nullable?
- * @return ResultSet each row is a column description
- */
- // Implementation note: This is required for Borland's JBuilder to work
- public java.sql.ResultSet getBestRowIdentifier(String catalog, String schema, String table, int scope, boolean nullable) throws SQLException
- {
- // for now, this returns an empty result set.
- Field f[] = new Field[8];
- ResultSet r; // ResultSet for the SQL query that we need to do
- Vector v = new Vector(); // The new ResultSet tuple stuff
-
- f[0] = new Field(connection, new String("SCOPE"), iInt2Oid, 2);
- f[1] = new Field(connection, new String("COLUMN_NAME"), iVarcharOid, 32);
- f[2] = new Field(connection, new String("DATA_TYPE"), iInt2Oid, 2);
- f[3] = new Field(connection, new String("TYPE_NAME"), iVarcharOid, 32);
- f[4] = new Field(connection, new String("COLUMN_SIZE"), iInt4Oid, 4);
- f[5] = new Field(connection, new String("BUFFER_LENGTH"), iInt4Oid, 4);
- f[6] = new Field(connection, new String("DECIMAL_DIGITS"), iInt2Oid, 2);
- f[7] = new Field(connection, new String("PSEUDO_COLUMN"), iInt2Oid, 2);
-
- return new ResultSet(connection, f, v, "OK", 1);
- }
-
- /**
- * Get a description of a table's columns that are automatically
- * updated when any value in a row is updated. They are
- * unordered.
- *
- *
Each column description has the following columns:
- *
SCOPE short => is not used
- *
COLUMN_NAME String => column name
- *
DATA_TYPE short => SQL data type from java.sql.Types
- *
TYPE_NAME String => Data source dependent type name
- *
COLUMN_SIZE int => precision
- *
BUFFER_LENGTH int => length of column value in bytes
- *
DECIMAL_DIGITS short => scale
- *
PSEUDO_COLUMN short => is this a pseudo column
- * like an Oracle ROWID
- *
versionColumnUnknown - may or may not be pseudo column
- *
versionColumnNotPseudo - is NOT a pseudo column
- *
versionColumnPseudo - is a pseudo column
- *
- *
- *
- * @param catalog a catalog name; "" retrieves those without a catalog
- * @param schema a schema name; "" retrieves those without a schema
- * @param table a table name
- * @return ResultSet each row is a column description
- */
- public java.sql.ResultSet getVersionColumns(String catalog, String schema, String table) throws SQLException
- {
- // XXX-Not Implemented
- return null;
- }
-
- /**
- * Get a description of a table's primary key columns. They
- * are ordered by COLUMN_NAME.
- *
- *
Each column description has the following columns:
- *
TABLE_CAT String => table catalog (may be null)
- *
TABLE_SCHEM String => table schema (may be null)
- *
TABLE_NAME String => table name
- *
COLUMN_NAME String => column name
- *
KEY_SEQ short => sequence number within primary key
- *
PK_NAME String => primary key name (may be null)
- *
- *
- * @param catalog a catalog name; "" retrieves those without a catalog
- * @param schema a schema name pattern; "" retrieves those
- * without a schema
- * @param table a table name
- * @return ResultSet each row is a primary key column description
- */
- public java.sql.ResultSet getPrimaryKeys(String catalog, String schema, String table) throws SQLException
- {
- return connection.createStatement().executeQuery("SELECT " +
- "'' as TABLE_CAT," +
- "'' AS TABLE_SCHEM," +
- "bc.relname AS TABLE_NAME," +
- "a.attname AS COLUMN_NAME," +
- "a.attnum as KEY_SEQ,"+
- "ic.relname as PK_NAME " +
- " FROM pg_class bc, pg_class ic, pg_index i, pg_attribute a" +
- " WHERE bc.relkind = 'r' " + // -- not indices
- " and upper(bc.relname) = upper('"+table+"')" +
- " and i.indrelid = bc.oid" +
- " and i.indexrelid = ic.oid" +
- " and ic.oid = a.attrelid" +
- " and i.indisprimary='t' " +
- " ORDER BY table_name, pk_name, key_seq"
- );
- }
-
- /**
- * Get a description of the primary key columns that are
- * referenced by a table's foreign key columns (the primary keys
- * imported by a table). They are ordered by PKTABLE_CAT,
- * PKTABLE_SCHEM, PKTABLE_NAME, and KEY_SEQ.
- *
- *
Each primary key column description has the following columns:
- *
PKTABLE_CAT String => primary key table catalog
- * being imported (may be null)
- *
PKTABLE_SCHEM String => primary key table schema
- * being imported (may be null)
- *
PKTABLE_NAME String => primary key table name
- * being imported
- *
PKCOLUMN_NAME String => primary key column name
- * being imported
- *
FKTABLE_CAT String => foreign key table catalog (may be null)
- *
FKTABLE_SCHEM String => foreign key table schema (may be null)
- *
FKTABLE_NAME String => foreign key table name
- *
FKCOLUMN_NAME String => foreign key column name
- *
KEY_SEQ short => sequence number within foreign key
- *
UPDATE_RULE short => What happens to
- * foreign key when primary is updated:
- *
importedKeyCascade - change imported key to agree
- * with primary key update
- *
importedKeyRestrict - do not allow update of primary
- * key if it has been imported
- *
importedKeySetNull - change imported key to NULL if
- * its primary key has been updated
- *
- *
DELETE_RULE short => What happens to
- * the foreign key when primary is deleted.
- *
importedKeyCascade - delete rows that import a deleted key
- *
importedKeyRestrict - do not allow delete of primary
- * key if it has been imported
- *
importedKeySetNull - change imported key to NULL if
- * its primary key has been deleted
- *
- *
FK_NAME String => foreign key name (may be null)
- *
PK_NAME String => primary key name (may be null)
- *
- *
- * @param catalog a catalog name; "" retrieves those without a catalog
- * @param schema a schema name pattern; "" retrieves those
- * without a schema
- * @param table a table name
- * @return ResultSet each row is a primary key column description
- * @see #getExportedKeys
- */
- public java.sql.ResultSet getImportedKeys(String catalog, String schema, String table) throws SQLException
- {
- // XXX-Not Implemented
- return null;
- }
-
- /**
- * Get a description of a foreign key columns that reference a
- * table's primary key columns (the foreign keys exported by a
- * table). They are ordered by FKTABLE_CAT, FKTABLE_SCHEM,
- * FKTABLE_NAME, and KEY_SEQ.
- *
- *
Each foreign key column description has the following columns:
- *
PKTABLE_CAT String => primary key table catalog (may be null)
- *
PKTABLE_SCHEM String => primary key table schema (may be null)
- *
PKTABLE_NAME String => primary key table name
- *
PKCOLUMN_NAME String => primary key column name
- *
FKTABLE_CAT String => foreign key table catalog (may be null)
- * being exported (may be null)
- *
FKTABLE_SCHEM String => foreign key table schema (may be null)
- * being exported (may be null)
- *
FKTABLE_NAME String => foreign key table name
- * being exported
- *
FKCOLUMN_NAME String => foreign key column name
- * being exported
- *
KEY_SEQ short => sequence number within foreign key
- *
UPDATE_RULE short => What happens to
- * foreign key when primary is updated:
- *
importedKeyCascade - change imported key to agree
- * with primary key update
- *
importedKeyRestrict - do not allow update of primary
- * key if it has been imported
- *
importedKeySetNull - change imported key to NULL if
- * its primary key has been updated
- *
- *
DELETE_RULE short => What happens to
- * the foreign key when primary is deleted.
- *
importedKeyCascade - delete rows that import a deleted key
- *
importedKeyRestrict - do not allow delete of primary
- * key if it has been imported
- *
importedKeySetNull - change imported key to NULL if
- * its primary key has been deleted
- *
- *
FK_NAME String => foreign key identifier (may be null)
- *
PK_NAME String => primary key identifier (may be null)
- *
- *
- * @param catalog a catalog name; "" retrieves those without a catalog
- * @param schema a schema name pattern; "" retrieves those
- * without a schema
- * @param table a table name
- * @return ResultSet each row is a foreign key column description
- * @see #getImportedKeys
- */
- public java.sql.ResultSet getExportedKeys(String catalog, String schema, String table) throws SQLException
- {
- // XXX-Not Implemented
- return null;
- }
-
- /**
- * Get a description of the foreign key columns in the foreign key
- * table that reference the primary key columns of the primary key
- * table (describe how one table imports another's key.) This
- * should normally return a single foreign key/primary key pair
- * (most tables only import a foreign key from a table once.) They
- * are ordered by FKTABLE_CAT, FKTABLE_SCHEM, FKTABLE_NAME, and
- * KEY_SEQ.
- *
- *
Each foreign key column description has the following columns:
- *
PKTABLE_CAT String => primary key table catalog (may be null)
- *
PKTABLE_SCHEM String => primary key table schema (may be null)
- *
PKTABLE_NAME String => primary key table name
- *
PKCOLUMN_NAME String => primary key column name
- *
FKTABLE_CAT String => foreign key table catalog (may be null)
- * being exported (may be null)
- *
FKTABLE_SCHEM String => foreign key table schema (may be null)
- * being exported (may be null)
- *
FKTABLE_NAME String => foreign key table name
- * being exported
- *
FKCOLUMN_NAME String => foreign key column name
- * being exported
- *
KEY_SEQ short => sequence number within foreign key
- *
UPDATE_RULE short => What happens to
- * foreign key when primary is updated:
- *
importedKeyCascade - change imported key to agree
- * with primary key update
- *
importedKeyRestrict - do not allow update of primary
- * key if it has been imported
- *
importedKeySetNull - change imported key to NULL if
- * its primary key has been updated
- *
- *
DELETE_RULE short => What happens to
- * the foreign key when primary is deleted.
- *
importedKeyCascade - delete rows that import a deleted key
- *
importedKeyRestrict - do not allow delete of primary
- * key if it has been imported
- *
importedKeySetNull - change imported key to NULL if
- * its primary key has been deleted
- *
- *
FK_NAME String => foreign key identifier (may be null)
- *
PK_NAME String => primary key identifier (may be null)
- *
- *
- * @param catalog a catalog name; "" retrieves those without a catalog
- * @param schema a schema name pattern; "" retrieves those
- * without a schema
- * @param table a table name
- * @return ResultSet each row is a foreign key column description
- * @see #getImportedKeys
- */
- public java.sql.ResultSet getCrossReference(String primaryCatalog, String primarySchema, String primaryTable, String foreignCatalog, String foreignSchema, String foreignTable) throws SQLException
- {
- // XXX-Not Implemented
- return null;
- }
-
- /**
- * Get a description of all the standard SQL types supported by
- * this database. They are ordered by DATA_TYPE and then by how
- * closely the data type maps to the corresponding JDBC SQL type.
- *
- *
Each type description has the following columns:
- *
TYPE_NAME String => Type name
- *
DATA_TYPE short => SQL data type from java.sql.Types
- *
PRECISION int => maximum precision
- *
LITERAL_PREFIX String => prefix used to quote a literal
- * (may be null)
- *
LITERAL_SUFFIX String => suffix used to quote a literal
- (may be null)
- *
CREATE_PARAMS String => parameters used in creating
- * the type (may be null)
- *
NULLABLE short => can you use NULL for this type?
- *
typeNoNulls - does not allow NULL values
- *
typeNullable - allows NULL values
- *
typeNullableUnknown - nullability unknown
- *
- *
CASE_SENSITIVE boolean=> is it case sensitive?
- *
SEARCHABLE short => can you use "WHERE" based on this type:
- *
typePredNone - No support
- *
typePredChar - Only supported with WHERE .. LIKE
- *
typePredBasic - Supported except for WHERE .. LIKE
- *
typeSearchable - Supported for all WHERE ..
- *
- *
UNSIGNED_ATTRIBUTE boolean => is it unsigned?
- *
FIXED_PREC_SCALE boolean => can it be a money value?
- *
AUTO_INCREMENT boolean => can it be used for an
- * auto-increment value?
- *
LOCAL_TYPE_NAME String => localized version of type name
- * (may be null)
- *
MINIMUM_SCALE short => minimum scale supported
- *
MAXIMUM_SCALE short => maximum scale supported
- *
SQL_DATA_TYPE int => unused
- *
SQL_DATETIME_SUB int => unused
- *
NUM_PREC_RADIX int => usually 2 or 10
- *
- *
- * @return ResultSet each row is a SQL type description
- */
- public java.sql.ResultSet getTypeInfo() throws SQLException
- {
- java.sql.ResultSet rs = connection.ExecSQL("select typname from pg_type");
- if(rs!=null) {
- Field f[] = new Field[18];
- ResultSet r; // ResultSet for the SQL query that we need to do
- Vector v = new Vector(); // The new ResultSet tuple stuff
-
- f[0] = new Field(connection, new String("TYPE_NAME"), iVarcharOid, 32);
- f[1] = new Field(connection, new String("DATA_TYPE"), iInt2Oid, 2);
- f[2] = new Field(connection, new String("PRECISION"), iInt4Oid, 4);
- f[3] = new Field(connection, new String("LITERAL_PREFIX"), iVarcharOid, 32);
- f[4] = new Field(connection, new String("LITERAL_SUFFIX"), iVarcharOid, 32);
- f[5] = new Field(connection, new String("CREATE_PARAMS"), iVarcharOid, 32);
- f[6] = new Field(connection, new String("NULLABLE"), iInt2Oid, 2);
- f[7] = new Field(connection, new String("CASE_SENSITIVE"), iBoolOid, 1);
- f[8] = new Field(connection, new String("SEARCHABLE"), iInt2Oid, 2);
- f[9] = new Field(connection, new String("UNSIGNED_ATTRIBUTE"), iBoolOid, 1);
- f[10] = new Field(connection, new String("FIXED_PREC_SCALE"), iBoolOid, 1);
- f[11] = new Field(connection, new String("AUTO_INCREMENT"), iBoolOid, 1);
- f[12] = new Field(connection, new String("LOCAL_TYPE_NAME"), iVarcharOid, 32);
- f[13] = new Field(connection, new String("MINIMUM_SCALE"), iInt2Oid, 2);
- f[14] = new Field(connection, new String("MAXIMUM_SCALE"), iInt2Oid, 2);
- f[15] = new Field(connection, new String("SQL_DATA_TYPE"), iInt4Oid, 4);
- f[16] = new Field(connection, new String("SQL_DATETIME_SUB"), iInt4Oid, 4);
- f[17] = new Field(connection, new String("NUM_PREC_RADIX"), iInt4Oid, 4);
-
- // cache some results, this will keep memory useage down, and speed
- // things up a little.
- byte b9[] = "9".getBytes();
- byte b10[] = "10".getBytes();
- byte bf[] = "f".getBytes();
- byte bnn[] = Integer.toString(typeNoNulls).getBytes();
- byte bts[] = Integer.toString(typeSearchable).getBytes();
-
- while(rs.next()) {
- byte[][] tuple = new byte[18][];
- String typname=rs.getString(1);
- tuple[0] = typname.getBytes();
- tuple[1] = Integer.toString(Field.getSQLType(typname)).getBytes();
- tuple[2] = b9; // for now
- tuple[6] = bnn; // for now
- tuple[7] = bf; // false for now - not case sensitive
- tuple[8] = bts;
- tuple[9] = bf; // false for now - it's signed
- tuple[10] = bf; // false for now - must handle money
- tuple[11] = bf; // false for now - handle autoincrement
- // 12 - LOCAL_TYPE_NAME is null
- // 13 & 14 ?
- // 15 & 16 are unused so we return null
- tuple[17] = b10; // everything is base 10
- v.addElement(tuple);
- }
- rs.close();
- return new ResultSet(connection, f, v, "OK", 1);
- }
-
- return null;
- }
-
- /**
- * Get a description of a table's indices and statistics. They are
- * ordered by NON_UNIQUE, TYPE, INDEX_NAME, and ORDINAL_POSITION.
- *
- *
Each index column description has the following columns:
- *
TABLE_CAT String => table catalog (may be null)
- *
TABLE_SCHEM String => table schema (may be null)
- *
TABLE_NAME String => table name
- *
NON_UNIQUE boolean => Can index values be non-unique?
- * false when TYPE is tableIndexStatistic
- *
INDEX_QUALIFIER String => index catalog (may be null);
- * null when TYPE is tableIndexStatistic
- *
INDEX_NAME String => index name; null when TYPE is
- * tableIndexStatistic
- *
TYPE short => index type:
- *
tableIndexStatistic - this identifies table statistics that are
- * returned in conjuction with a table's index descriptions
- *
tableIndexClustered - this is a clustered index
- *
tableIndexHashed - this is a hashed index
- *
tableIndexOther - this is some other style of index
- *
- *
ORDINAL_POSITION short => column sequence number
- * within index; zero when TYPE is tableIndexStatistic
- *
COLUMN_NAME String => column name; null when TYPE is
- * tableIndexStatistic
- *
ASC_OR_DESC String => column sort sequence, "A" => ascending
- * "D" => descending, may be null if sort sequence is not supported;
- * null when TYPE is tableIndexStatistic
- *
CARDINALITY int => When TYPE is tableIndexStatisic then
- * this is the number of rows in the table; otherwise it is the
- * number of unique values in the index.
- *
PAGES int => When TYPE is tableIndexStatisic then
- * this is the number of pages used for the table, otherwise it
- * is the number of pages used for the current index.
- *
FILTER_CONDITION String => Filter condition, if any.
- * (may be null)
- *
- *
- * @param catalog a catalog name; "" retrieves those without a catalog
- * @param schema a schema name pattern; "" retrieves those without a schema
- * @param table a table name
- * @param unique when true, return only indices for unique values;
- * when false, return indices regardless of whether unique or not
- * @param approximate when true, result is allowed to reflect approximate
- * or out of data values; when false, results are requested to be
- * accurate
- * @return ResultSet each row is an index column description
- */
- // Implementation note: This is required for Borland's JBuilder to work
- public java.sql.ResultSet getIndexInfo(String catalog, String schema, String table, boolean unique, boolean approximate) throws SQLException
- {
- // for now, this returns an empty result set.
- Field f[] = new Field[13];
- ResultSet r; // ResultSet for the SQL query that we need to do
- Vector v = new Vector(); // The new ResultSet tuple stuff
-
- f[0] = new Field(connection, new String("TABLE_CAT"), iVarcharOid, 32);
- f[1] = new Field(connection, new String("TABLE_SCHEM"), iVarcharOid, 32);
- f[2] = new Field(connection, new String("TABLE_NAME"), iVarcharOid, 32);
- f[3] = new Field(connection, new String("NON_UNIQUE"), iBoolOid, 1);
- f[4] = new Field(connection, new String("INDEX_QUALIFIER"), iVarcharOid, 32);
- f[5] = new Field(connection, new String("INDEX_NAME"), iVarcharOid, 32);
- f[6] = new Field(connection, new String("TYPE"), iInt2Oid, 2);
- f[7] = new Field(connection, new String("ORDINAL_POSITION"), iInt2Oid, 2);
- f[8] = new Field(connection, new String("COLUMN_NAME"), iVarcharOid, 32);
- f[9] = new Field(connection, new String("ASC_OR_DESC"), iVarcharOid, 32);
- f[10] = new Field(connection, new String("CARDINALITY"), iInt4Oid, 4);
- f[11] = new Field(connection, new String("PAGES"), iInt4Oid, 4);
- f[12] = new Field(connection, new String("FILTER_CONDITION"), iVarcharOid, 32);
-
- return new ResultSet(connection, f, v, "OK", 1);
- }
-}
-
+++ /dev/null
-package postgresql.jdbc1;
-
-// IMPORTANT NOTE: This file implements the JDBC 1 version of the driver.
-// If you make any modifications to this file, you must make sure that the
-// changes are also made (if relevent) to the related JDBC 2 class in the
-// postgresql.jdbc2 package.
-
-import java.io.*;
-import java.math.*;
-import java.sql.*;
-import java.text.*;
-import java.util.*;
-import postgresql.largeobject.*;
-import postgresql.util.*;
-
-/**
- * A SQL Statement is pre-compiled and stored in a PreparedStatement object.
- * This object can then be used to efficiently execute this statement multiple
- * times.
- *
- *
Note: The setXXX methods for setting IN parameter values must
- * specify types that are compatible with the defined SQL type of the input
- * parameter. For instance, if the IN parameter has SQL type Integer, then
- * setInt should be used.
- *
- *
If arbitrary parameter type conversions are required, then the setObject
- * method should be used with a target SQL type.
- *
- * @see ResultSet
- * @see java.sql.PreparedStatement
- */
-public class PreparedStatement extends Statement implements java.sql.PreparedStatement
-{
- String sql;
- String[] templateStrings;
- String[] inStrings;
- Connection connection;
-
- /**
- * Constructor for the PreparedStatement class.
- * Split the SQL statement into segments - separated by the arguments.
- * When we rebuild the thing with the arguments, we can substitute the
- * args and join the whole thing together.
- *
- * @param conn the instanatiating connection
- * @param sql the SQL statement with ? for IN markers
- * @exception SQLException if something bad occurs
- */
- public PreparedStatement(Connection connection, String sql) throws SQLException
- {
- super(connection);
-
- Vector v = new Vector();
- boolean inQuotes = false;
- int lastParmEnd = 0, i;
-
- this.sql = sql;
- this.connection = connection;
- for (i = 0; i < sql.length(); ++i)
- {
- int c = sql.charAt(i);
-
- if (c == '\'')
- inQuotes = !inQuotes;
- if (c == '?' && !inQuotes)
- {
- v.addElement(sql.substring (lastParmEnd, i));
- lastParmEnd = i + 1;
- }
- }
- v.addElement(sql.substring (lastParmEnd, sql.length()));
-
- templateStrings = new String[v.size()];
- inStrings = new String[v.size() - 1];
- clearParameters();
-
- for (i = 0 ; i < templateStrings.length; ++i)
- templateStrings[i] = (String)v.elementAt(i);
- }
-
- /**
- * A Prepared SQL query is executed and its ResultSet is returned
- *
- * @return a ResultSet that contains the data produced by the
- * query - never null
- * @exception SQLException if a database access error occurs
- */
- public java.sql.ResultSet executeQuery() throws SQLException
- {
- StringBuffer s = new StringBuffer();
- int i;
-
- for (i = 0 ; i < inStrings.length ; ++i)
- {
- if (inStrings[i] == null)
- throw new PSQLException("postgresql.prep.param",new Integer(i + 1));
- s.append (templateStrings[i]);
- s.append (inStrings[i]);
- }
- s.append(templateStrings[inStrings.length]);
- return super.executeQuery(s.toString()); // in Statement class
- }
-
- /**
- * Execute a SQL INSERT, UPDATE or DELETE statement. In addition,
- * SQL statements that return nothing such as SQL DDL statements can
- * be executed.
- *
- * @return either the row count for INSERT, UPDATE or DELETE; or
- * 0 for SQL statements that return nothing.
- * @exception SQLException if a database access error occurs
- */
- public int executeUpdate() throws SQLException
- {
- StringBuffer s = new StringBuffer();
- int i;
-
- for (i = 0 ; i < inStrings.length ; ++i)
- {
- if (inStrings[i] == null)
- throw new PSQLException("postgresql.prep.param",new Integer(i + 1));
- s.append (templateStrings[i]);
- s.append (inStrings[i]);
- }
- s.append(templateStrings[inStrings.length]);
- return super.executeUpdate(s.toString()); // in Statement class
- }
-
- /**
- * Set a parameter to SQL NULL
- *
- *
Note: You must specify the parameters SQL type (although
- * PostgreSQL ignores it)
- *
- * @param parameterIndex the first parameter is 1, etc...
- * @param sqlType the SQL type code defined in java.sql.Types
- * @exception SQLException if a database access error occurs
- */
- public void setNull(int parameterIndex, int sqlType) throws SQLException
- {
- set(parameterIndex, "null");
- }
-
- /**
- * Set a parameter to a Java boolean value. The driver converts this
- * to a SQL BIT value when it sends it to the database.
- *
- * @param parameterIndex the first parameter is 1...
- * @param x the parameter value
- * @exception SQLException if a database access error occurs
- */
- public void setBoolean(int parameterIndex, boolean x) throws SQLException
- {
- set(parameterIndex, x ? "'t'" : "'f'");
- }
-
- /**
- * Set a parameter to a Java byte value. The driver converts this to
- * a SQL TINYINT value when it sends it to the database.
- *
- * @param parameterIndex the first parameter is 1...
- * @param x the parameter value
- * @exception SQLException if a database access error occurs
- */
- public void setByte(int parameterIndex, byte x) throws SQLException
- {
- set(parameterIndex, (new Integer(x)).toString());
- }
-
- /**
- * Set a parameter to a Java short value. The driver converts this
- * to a SQL SMALLINT value when it sends it to the database.
- *
- * @param parameterIndex the first parameter is 1...
- * @param x the parameter value
- * @exception SQLException if a database access error occurs
- */
- public void setShort(int parameterIndex, short x) throws SQLException
- {
- set(parameterIndex, (new Integer(x)).toString());
- }
-
- /**
- * Set a parameter to a Java int value. The driver converts this to
- * a SQL INTEGER value when it sends it to the database.
- *
- * @param parameterIndex the first parameter is 1...
- * @param x the parameter value
- * @exception SQLException if a database access error occurs
- */
- public void setInt(int parameterIndex, int x) throws SQLException
- {
- set(parameterIndex, (new Integer(x)).toString());
- }
-
- /**
- * Set a parameter to a Java long value. The driver converts this to
- * a SQL BIGINT value when it sends it to the database.
- *
- * @param parameterIndex the first parameter is 1...
- * @param x the parameter value
- * @exception SQLException if a database access error occurs
- */
- public void setLong(int parameterIndex, long x) throws SQLException
- {
- set(parameterIndex, (new Long(x)).toString());
- }
-
- /**
- * Set a parameter to a Java float value. The driver converts this
- * to a SQL FLOAT value when it sends it to the database.
- *
- * @param parameterIndex the first parameter is 1...
- * @param x the parameter value
- * @exception SQLException if a database access error occurs
- */
- public void setFloat(int parameterIndex, float x) throws SQLException
- {
- set(parameterIndex, (new Float(x)).toString());
- }
-
- /**
- * Set a parameter to a Java double value. The driver converts this
- * to a SQL DOUBLE value when it sends it to the database
- *
- * @param parameterIndex the first parameter is 1...
- * @param x the parameter value
- * @exception SQLException if a database access error occurs
- */
- public void setDouble(int parameterIndex, double x) throws SQLException
- {
- set(parameterIndex, (new Double(x)).toString());
- }
-
- /**
- * Set a parameter to a java.lang.BigDecimal value. The driver
- * converts this to a SQL NUMERIC value when it sends it to the
- * database.
- *
- * @param parameterIndex the first parameter is 1...
- * @param x the parameter value
- * @exception SQLException if a database access error occurs
- */
- public void setBigDecimal(int parameterIndex, BigDecimal x) throws SQLException
- {
- set(parameterIndex, x.toString());
- }
-
- /**
- * Set a parameter to a Java String value. The driver converts this
- * to a SQL VARCHAR or LONGVARCHAR value (depending on the arguments
- * size relative to the driver's limits on VARCHARs) when it sends it
- * to the database.
- *
- * @param parameterIndex the first parameter is 1...
- * @param x the parameter value
- * @exception SQLException if a database access error occurs
- */
- public void setString(int parameterIndex, String x) throws SQLException
- {
- // if the passed string is null, then set this column to null
- if(x==null)
- set(parameterIndex,"null");
- else {
- StringBuffer b = new StringBuffer();
- int i;
-
- b.append('\'');
- for (i = 0 ; i < x.length() ; ++i)
- {
- char c = x.charAt(i);
- if (c == '\\' || c == '\'')
- b.append((char)'\\');
- b.append(c);
- }
- b.append('\'');
- set(parameterIndex, b.toString());
- }
- }
-
- /**
- * Set a parameter to a Java array of bytes. The driver converts this
- * to a SQL VARBINARY or LONGVARBINARY (depending on the argument's
- * size relative to the driver's limits on VARBINARYs) when it sends
- * it to the database.
- *
- *
With postgresql, this creates a large object, and stores the
- * objects oid in this column.
- *
- * @param parameterIndex the first parameter is 1...
- * @param x the parameter value
- * @exception SQLException if a database access error occurs
- */
- public void setBytes(int parameterIndex, byte x[]) throws SQLException
- {
- LargeObjectManager lom = connection.getLargeObjectAPI();
- int oid = lom.create();
- LargeObject lob = lom.open(oid);
- lob.write(x);
- lob.close();
- setInt(parameterIndex,oid);
- }
-
- /**
- * Set a parameter to a java.sql.Date value. The driver converts this
- * to a SQL DATE value when it sends it to the database.
- *
- * @param parameterIndex the first parameter is 1...
- * @param x the parameter value
- * @exception SQLException if a database access error occurs
- */
- public void setDate(int parameterIndex, java.sql.Date x) throws SQLException
- {
- SimpleDateFormat df = new SimpleDateFormat("''yyyy-MM-dd''");
-
- set(parameterIndex, df.format(x));
-
- // The above is how the date should be handled.
- //
- // However, in JDK's prior to 1.1.6 (confirmed with the
- // Linux jdk1.1.3 and the Win95 JRE1.1.5), SimpleDateFormat seems
- // to format a date to the previous day. So the fix is to add a day
- // before formatting.
- //
- // PS: 86400000 is one day
- //
- //set(parameterIndex, df.format(new java.util.Date(x.getTime()+86400000)));
- }
-
- /**
- * Set a parameter to a java.sql.Time value. The driver converts
- * this to a SQL TIME value when it sends it to the database.
- *
- * @param parameterIndex the first parameter is 1...));
- * @param x the parameter value
- * @exception SQLException if a database access error occurs
- */
- public void setTime(int parameterIndex, Time x) throws SQLException
- {
- set(parameterIndex, "'" + x.toString() + "'");
- }
-
- /**
- * Set a parameter to a java.sql.Timestamp value. The driver converts
- * this to a SQL TIMESTAMP value when it sends it to the database.
- *
- * @param parameterIndex the first parameter is 1...
- * @param x the parameter value
- * @exception SQLException if a database access error occurs
- */
- public void setTimestamp(int parameterIndex, Timestamp x) throws SQLException
- {
- set(parameterIndex, "'" + x.toString() + "'");
- }
-
- /**
- * When a very large ASCII value is input to a LONGVARCHAR parameter,
- * it may be more practical to send it via a java.io.InputStream.
- * JDBC will read the data from the stream as needed, until it reaches
- * end-of-file. The JDBC driver will do any necessary conversion from
- * ASCII to the database char format.
- *
- *
Note: This stream object can either be a standard Java
- * stream object or your own subclass that implements the standard
- * interface.
- *
- * @param parameterIndex the first parameter is 1...
- * @param x the parameter value
- * @param length the number of bytes in the stream
- * @exception SQLException if a database access error occurs
- */
- public void setAsciiStream(int parameterIndex, InputStream x, int length) throws SQLException
- {
- setBinaryStream(parameterIndex, x, length);
- }
-
- /**
- * When a very large Unicode value is input to a LONGVARCHAR parameter,
- * it may be more practical to send it via a java.io.InputStream.
- * JDBC will read the data from the stream as needed, until it reaches
- * end-of-file. The JDBC driver will do any necessary conversion from
- * UNICODE to the database char format.
- *
- *
Note: This stream object can either be a standard Java
- * stream object or your own subclass that implements the standard
- * interface.
- *
- * @param parameterIndex the first parameter is 1...
- * @param x the parameter value
- * @exception SQLException if a database access error occurs
- */
- public void setUnicodeStream(int parameterIndex, InputStream x, int length) throws SQLException
- {
- setBinaryStream(parameterIndex, x, length);
- }
-
- /**
- * When a very large binary value is input to a LONGVARBINARY parameter,
- * it may be more practical to send it via a java.io.InputStream.
- * JDBC will read the data from the stream as needed, until it reaches
- * end-of-file.
- *
- *
Note: This stream object can either be a standard Java
- * stream object or your own subclass that implements the standard
- * interface.
- *
- * @param parameterIndex the first parameter is 1...
- * @param x the parameter value
- * @exception SQLException if a database access error occurs
- */
- public void setBinaryStream(int parameterIndex, InputStream x, int length) throws SQLException
- {
- throw postgresql.Driver.notImplemented();
- }
-
- /**
- * In general, parameter values remain in force for repeated used of a
- * Statement. Setting a parameter value automatically clears its
- * previous value. However, in coms cases, it is useful to immediately
- * release the resources used by the current parameter values; this
- * can be done by calling clearParameters
- *
- * @exception SQLException if a database access error occurs
- */
- public void clearParameters() throws SQLException
- {
- int i;
-
- for (i = 0 ; i < inStrings.length ; i++)
- inStrings[i] = null;
- }
-
- /**
- * Set the value of a parameter using an object; use the java.lang
- * equivalent objects for integral values.
- *
- *
The given Java object will be converted to the targetSqlType before
- * being sent to the database.
- *
- *
note that this method may be used to pass database-specific
- * abstract data types. This is done by using a Driver-specific
- * Java type and using a targetSqlType of java.sql.Types.OTHER
- *
- * @param parameterIndex the first parameter is 1...
- * @param x the object containing the input parameter value
- * @param targetSqlType The SQL type to be send to the database
- * @param scale For java.sql.Types.DECIMAL or java.sql.Types.NUMERIC
- * types this is the number of digits after the decimal. For
- * all other types this value will be ignored.
- * @exception SQLException if a database access error occurs
- */
- public void setObject(int parameterIndex, Object x, int targetSqlType, int scale) throws SQLException
- {
- switch (targetSqlType)
- {
- case Types.TINYINT:
- case Types.SMALLINT:
- case Types.INTEGER:
- case Types.BIGINT:
- case Types.REAL:
- case Types.FLOAT:
- case Types.DOUBLE:
- case Types.DECIMAL:
- case Types.NUMERIC:
- if (x instanceof Boolean)
- set(parameterIndex, ((Boolean)x).booleanValue() ? "1" : "0");
- else
- set(parameterIndex, x.toString());
- break;
- case Types.CHAR:
- case Types.VARCHAR:
- case Types.LONGVARCHAR:
- setString(parameterIndex, x.toString());
- break;
- case Types.DATE:
- setDate(parameterIndex, (java.sql.Date)x);
- break;
- case Types.TIME:
- setTime(parameterIndex, (Time)x);
- break;
- case Types.TIMESTAMP:
- setTimestamp(parameterIndex, (Timestamp)x);
- break;
- case Types.OTHER:
- setString(parameterIndex, ((PGobject)x).getValue());
- break;
- default:
- throw new PSQLException("postgresql.prep.type");
- }
- }
-
- public void setObject(int parameterIndex, Object x, int targetSqlType) throws SQLException
- {
- setObject(parameterIndex, x, targetSqlType, 0);
- }
-
- /**
- * This stores an Object into a parameter.
- *
New for 6.4, if the object is not recognised, but it is
- * Serializable, then the object is serialised using the
- * postgresql.util.Serialize class.
- */
- public void setObject(int parameterIndex, Object x) throws SQLException
- {
- if (x instanceof String)
- setString(parameterIndex, (String)x);
- else if (x instanceof BigDecimal)
- setBigDecimal(parameterIndex, (BigDecimal)x);
- else if (x instanceof Short)
- setShort(parameterIndex, ((Short)x).shortValue());
- else if (x instanceof Integer)
- setInt(parameterIndex, ((Integer)x).intValue());
- else if (x instanceof Long)
- setLong(parameterIndex, ((Long)x).longValue());
- else if (x instanceof Float)
- setFloat(parameterIndex, ((Float)x).floatValue());
- else if (x instanceof Double)
- setDouble(parameterIndex, ((Double)x).doubleValue());
- else if (x instanceof byte[])
- setBytes(parameterIndex, (byte[])x);
- else if (x instanceof java.sql.Date)
- setDate(parameterIndex, (java.sql.Date)x);
- else if (x instanceof Time)
- setTime(parameterIndex, (Time)x);
- else if (x instanceof Timestamp)
- setTimestamp(parameterIndex, (Timestamp)x);
- else if (x instanceof Boolean)
- setBoolean(parameterIndex, ((Boolean)x).booleanValue());
- else if (x instanceof PGobject)
- setString(parameterIndex, ((PGobject)x).getValue());
- else
- setLong(parameterIndex, connection.putObject(x));
- }
-
- /**
- * Some prepared statements return multiple results; the execute method
- * handles these complex statements as well as the simpler form of
- * statements handled by executeQuery and executeUpdate
- *
- * @return true if the next result is a ResultSet; false if it is an
- * update count or there are no more results
- * @exception SQLException if a database access error occurs
- */
- public boolean execute() throws SQLException
- {
- StringBuffer s = new StringBuffer();
- int i;
-
- for (i = 0 ; i < inStrings.length ; ++i)
- {
- if (inStrings[i] == null)
- throw new PSQLException("postgresql.prep.param",new Integer(i + 1));
- s.append (templateStrings[i]);
- s.append (inStrings[i]);
- }
- s.append(templateStrings[inStrings.length]);
- return super.execute(s.toString()); // in Statement class
- }
-
- /**
- * Returns the SQL statement with the current template values
- * substituted.
- */
- public String toString() {
- StringBuffer s = new StringBuffer();
- int i;
-
- for (i = 0 ; i < inStrings.length ; ++i)
- {
- if (inStrings[i] == null)
- s.append( '?' );
- else
- s.append (templateStrings[i]);
- s.append (inStrings[i]);
- }
- s.append(templateStrings[inStrings.length]);
- return s.toString();
- }
-
- // **************************************************************
- // END OF PUBLIC INTERFACE
- // **************************************************************
-
- /**
- * There are a lot of setXXX classes which all basically do
- * the same thing. We need a method which actually does the
- * set for us.
- *
- * @param paramIndex the index into the inString
- * @param s a string to be stored
- * @exception SQLException if something goes wrong
- */
- private void set(int paramIndex, String s) throws SQLException
- {
- if (paramIndex < 1 || paramIndex > inStrings.length)
- throw new PSQLException("postgresql.prep.range");
- inStrings[paramIndex - 1] = s;
- }
-}
+++ /dev/null
-package postgresql.jdbc1;
-
-// IMPORTANT NOTE: This file implements the JDBC 1 version of the driver.
-// If you make any modifications to this file, you must make sure that the
-// changes are also made (if relevent) to the related JDBC 2 class in the
-// postgresql.jdbc2 package.
-
-import java.lang.*;
-import java.io.*;
-import java.math.*;
-import java.text.*;
-import java.util.*;
-import java.sql.*;
-import postgresql.Field;
-import postgresql.largeobject.*;
-import postgresql.util.*;
-
-/**
- * A ResultSet provides access to a table of data generated by executing a
- * Statement. The table rows are retrieved in sequence. Within a row its
- * column values can be accessed in any order.
- *
- *
A ResultSet maintains a cursor pointing to its current row of data.
- * Initially the cursor is positioned before the first row. The 'next'
- * method moves the cursor to the next row.
- *
- *
The getXXX methods retrieve column values for the current row. You can
- * retrieve values either using the index number of the column, or by using
- * the name of the column. In general using the column index will be more
- * efficient. Columns are numbered from 1.
- *
- *
For maximum portability, ResultSet columns within each row should be read
- * in left-to-right order and each column should be read only once.
- *
- *
For the getXXX methods, the JDBC driver attempts to convert the
- * underlying data to the specified Java type and returns a suitable Java
- * value. See the JDBC specification for allowable mappings from SQL types
- * to Java types with the ResultSet getXXX methods.
- *
- *
Column names used as input to getXXX methods are case insenstive. When
- * performing a getXXX using a column name, if several columns have the same
- * name, then the value of the first matching column will be returned. The
- * column name option is designed to be used when column names are used in the
- * SQL Query. For columns that are NOT explicitly named in the query, it is
- * best to use column numbers. If column names were used there is no way for
- * the programmer to guarentee that they actually refer to the intended
- * columns.
- *
- *
A ResultSet is automatically closed by the Statement that generated it
- * when that Statement is closed, re-executed, or is used to retrieve the
- * next result from a sequence of multiple results.
- *
- *
The number, types and properties of a ResultSet's columns are provided by
- * the ResultSetMetaData object returned by the getMetaData method.
- *
- * @see ResultSetMetaData
- * @see java.sql.ResultSet
- */
-public class ResultSet extends postgresql.ResultSet implements java.sql.ResultSet
-{
- /**
- * Create a new ResultSet - Note that we create ResultSets to
- * represent the results of everything.
- *
- * @param fields an array of Field objects (basically, the
- * ResultSet MetaData)
- * @param tuples Vector of the actual data
- * @param status the status string returned from the back end
- * @param updateCount the number of rows affected by the operation
- * @param cursor the positioned update/delete cursor name
- */
- public ResultSet(Connection conn, Field[] fields, Vector tuples, String status, int updateCount)
- {
- super(conn,fields,tuples,status,updateCount);
- }
-
- /**
- * A ResultSet is initially positioned before its first row,
- * the first call to next makes the first row the current row;
- * the second call makes the second row the current row, etc.
- *
- *
If an input stream from the previous row is open, it is
- * implicitly closed. The ResultSet's warning chain is cleared
- * when a new row is read
- *
- * @return true if the new current is valid; false if there are no
- * more rows
- * @exception SQLException if a database access error occurs
- */
- public boolean next() throws SQLException
- {
- if (++current_row >= rows.size())
- return false;
- this_row = (byte [][])rows.elementAt(current_row);
- return true;
- }
-
- /**
- * In some cases, it is desirable to immediately release a ResultSet
- * database and JDBC resources instead of waiting for this to happen
- * when it is automatically closed. The close method provides this
- * immediate release.
- *
- *
Note: A ResultSet is automatically closed by the Statement
- * the Statement that generated it when that Statement is closed,
- * re-executed, or is used to retrieve the next result from a sequence
- * of multiple results. A ResultSet is also automatically closed
- * when it is garbage collected.
- *
- * @exception SQLException if a database access error occurs
- */
- public void close() throws SQLException
- {
- // No-op
- }
-
- /**
- * A column may have the value of SQL NULL; wasNull() reports whether
- * the last column read had this special value. Note that you must
- * first call getXXX on a column to try to read its value and then
- * call wasNull() to find if the value was SQL NULL
- *
- * @return true if the last column read was SQL NULL
- * @exception SQLException if a database access error occurred
- */
- public boolean wasNull() throws SQLException
- {
- return wasNullFlag;
- }
-
- /**
- * Get the value of a column in the current row as a Java String
- *
- * @param columnIndex the first column is 1, the second is 2...
- * @return the column value, null for SQL NULL
- * @exception SQLException if a database access error occurs
- */
- public String getString(int columnIndex) throws SQLException
- {
- //byte[] bytes = getBytes(columnIndex);
- //
- //if (bytes == null)
- //return null;
- //return new String(bytes);
- if (columnIndex < 1 || columnIndex > fields.length)
- throw new PSQLException("postgresql.res.colrange");
- wasNullFlag = (this_row[columnIndex - 1] == null);
- if(wasNullFlag)
- return null;
- return new String(this_row[columnIndex - 1]);
- }
-
- /**
- * Get the value of a column in the current row as a Java boolean
- *
- * @param columnIndex the first column is 1, the second is 2...
- * @return the column value, false for SQL NULL
- * @exception SQLException if a database access error occurs
- */
- public boolean getBoolean(int columnIndex) throws SQLException
- {
- String s = getString(columnIndex);
-
- if (s != null)
- {
- int c = s.charAt(0);
- return ((c == 't') || (c == 'T'));
- }
- return false; // SQL NULL
- }
-
- /**
- * Get the value of a column in the current row as a Java byte.
- *
- * @param columnIndex the first column is 1, the second is 2,...
- * @return the column value; 0 if SQL NULL
- * @exception SQLException if a database access error occurs
- */
- public byte getByte(int columnIndex) throws SQLException
- {
- String s = getString(columnIndex);
-
- if (s != null)
- {
- try
- {
- return Byte.parseByte(s);
- } catch (NumberFormatException e) {
- throw new PSQLException("postgresql.res.badbyte",s);
- }
- }
- return 0; // SQL NULL
- }
-
- /**
- * Get the value of a column in the current row as a Java short.
- *
- * @param columnIndex the first column is 1, the second is 2,...
- * @return the column value; 0 if SQL NULL
- * @exception SQLException if a database access error occurs
- */
- public short getShort(int columnIndex) throws SQLException
- {
- String s = getString(columnIndex);
-
- if (s != null)
- {
- try
- {
- return Short.parseShort(s);
- } catch (NumberFormatException e) {
- throw new PSQLException("postgresql.res.badshort",s);
- }
- }
- return 0; // SQL NULL
- }
-
- /**
- * Get the value of a column in the current row as a Java int.
- *
- * @param columnIndex the first column is 1, the second is 2,...
- * @return the column value; 0 if SQL NULL
- * @exception SQLException if a database access error occurs
- */
- public int getInt(int columnIndex) throws SQLException
- {
- String s = getString(columnIndex);
-
- if (s != null)
- {
- try
- {
- return Integer.parseInt(s);
- } catch (NumberFormatException e) {
- throw new PSQLException ("postgresql.badint",s);
- }
- }
- return 0; // SQL NULL
- }
-
- /**
- * Get the value of a column in the current row as a Java long.
- *
- * @param columnIndex the first column is 1, the second is 2,...
- * @return the column value; 0 if SQL NULL
- * @exception SQLException if a database access error occurs
- */
- public long getLong(int columnIndex) throws SQLException
- {
- String s = getString(columnIndex);
-
- if (s != null)
- {
- try
- {
- return Long.parseLong(s);
- } catch (NumberFormatException e) {
- throw new PSQLException ("postgresql.res.badlong",s);
- }
- }
- return 0; // SQL NULL
- }
-
- /**
- * Get the value of a column in the current row as a Java float.
- *
- * @param columnIndex the first column is 1, the second is 2,...
- * @return the column value; 0 if SQL NULL
- * @exception SQLException if a database access error occurs
- */
- public float getFloat(int columnIndex) throws SQLException
- {
- String s = getString(columnIndex);
-
- if (s != null)
- {
- try
- {
- return Float.valueOf(s).floatValue();
- } catch (NumberFormatException e) {
- throw new PSQLException ("postgresql.res.badfloat",s);
- }
- }
- return 0; // SQL NULL
- }
-
- /**
- * Get the value of a column in the current row as a Java double.
- *
- * @param columnIndex the first column is 1, the second is 2,...
- * @return the column value; 0 if SQL NULL
- * @exception SQLException if a database access error occurs
- */
- public double getDouble(int columnIndex) throws SQLException
- {
- String s = getString(columnIndex);
-
- if (s != null)
- {
- try
- {
- return Double.valueOf(s).doubleValue();
- } catch (NumberFormatException e) {
- throw new PSQLException ("postgresql.res.baddouble",s);
- }
- }
- return 0; // SQL NULL
- }
-
- /**
- * Get the value of a column in the current row as a
- * java.math.BigDecimal object
- *
- * @param columnIndex the first column is 1, the second is 2...
- * @param scale the number of digits to the right of the decimal
- * @return the column value; if the value is SQL NULL, null
- * @exception SQLException if a database access error occurs
- */
- public BigDecimal getBigDecimal(int columnIndex, int scale) throws SQLException
- {
- String s = getString(columnIndex);
- BigDecimal val;
-
- if (s != null)
- {
- try
- {
- val = new BigDecimal(s);
- } catch (NumberFormatException e) {
- throw new PSQLException ("postgresql.res.badbigdec",s);
- }
- try
- {
- return val.setScale(scale);
- } catch (ArithmeticException e) {
- throw new PSQLException ("postgresql.res.badbigdec",s);
- }
- }
- return null; // SQL NULL
- }
-
- /**
- * Get the value of a column in the current row as a Java byte array.
- *
- *
In normal use, the bytes represent the raw values returned by the
- * backend. However, if the column is an OID, then it is assumed to
- * refer to a Large Object, and that object is returned as a byte array.
- *
- *
Be warned If the large object is huge, then you may run out
- * of memory.
- *
- * @param columnIndex the first column is 1, the second is 2, ...
- * @return the column value; if the value is SQL NULL, the result
- * is null
- * @exception SQLException if a database access error occurs
- */
- public byte[] getBytes(int columnIndex) throws SQLException
- {
- if (columnIndex < 1 || columnIndex > fields.length)
- throw new PSQLException("postgresql.res.colrange");
- wasNullFlag = (this_row[columnIndex - 1] == null);
-
- // Handle OID's as BLOBS
- if(!wasNullFlag)
- if( fields[columnIndex - 1].getOID() == 26) {
- LargeObjectManager lom = connection.getLargeObjectAPI();
- LargeObject lob = lom.open(getInt(columnIndex));
- byte buf[] = lob.read(lob.size());
- lob.close();
- return buf;
- }
-
- return this_row[columnIndex - 1];
- }
-
- /**
- * Get the value of a column in the current row as a java.sql.Date
- * object
- *
- * @param columnIndex the first column is 1, the second is 2...
- * @return the column value; null if SQL NULL
- * @exception SQLException if a database access error occurs
- */
- public java.sql.Date getDate(int columnIndex) throws SQLException
- {
- String s = getString(columnIndex);
- if(s==null)
- return null;
- SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd");
- try {
- return new java.sql.Date(df.parse(s).getTime());
- } catch (ParseException e) {
- throw new PSQLException("postgresql.res.baddate",new Integer(e.getErrorOffset()),s);
- }
- }
-
- /**
- * Get the value of a column in the current row as a java.sql.Time
- * object
- *
- * @param columnIndex the first column is 1, the second is 2...
- * @return the column value; null if SQL NULL
- * @exception SQLException if a database access error occurs
- */
- public Time getTime(int columnIndex) throws SQLException
- {
- String s = getString(columnIndex);
-
- if (s != null)
- {
- try
- {
- if (s.length() != 5 && s.length() != 8)
- throw new NumberFormatException("Wrong Length!");
- int hr = Integer.parseInt(s.substring(0,2));
- int min = Integer.parseInt(s.substring(3,5));
- int sec = (s.length() == 5) ? 0 : Integer.parseInt(s.substring(6));
- return new Time(hr, min, sec);
- } catch (NumberFormatException e) {
- throw new PSQLException ("postgresql.res.badtime",s);
- }
- }
- return null; // SQL NULL
- }
-
- /**
- * Get the value of a column in the current row as a
- * java.sql.Timestamp object
- *
- * @param columnIndex the first column is 1, the second is 2...
- * @return the column value; null if SQL NULL
- * @exception SQLException if a database access error occurs
- */
- public Timestamp getTimestamp(int columnIndex) throws SQLException
- {
- String s = getString(columnIndex);
- if(s==null)
- return null;
-
- SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:sszzz");
-
- try {
- return new Timestamp(df.parse(s).getTime());
- } catch(ParseException e) {
- throw new PSQLException("postgresql.res.badtimestamp",new Integer(e.getErrorOffset()),s);
- }
- }
-
- /**
- * A column value can be retrieved as a stream of ASCII characters
- * and then read in chunks from the stream. This method is
- * particular suitable for retrieving large LONGVARCHAR values.
- * The JDBC driver will do any necessary conversion from the
- * database format into ASCII.
- *
- *
Note: All the data in the returned stream must be read
- * prior to getting the value of any other column. The next call
- * to a get method implicitly closes the stream. Also, a stream
- * may return 0 for available() whether there is data available
- * or not.
- *
- *
We implement an ASCII stream as a Binary stream - we should really
- * do the data conversion, but I cannot be bothered to implement this
- * right now.
- *
- * @param columnIndex the first column is 1, the second is 2, ...
- * @return a Java InputStream that delivers the database column
- * value as a stream of one byte ASCII characters. If the
- * value is SQL NULL then the result is null
- * @exception SQLException if a database access error occurs
- * @see getBinaryStream
- */
- public InputStream getAsciiStream(int columnIndex) throws SQLException
- {
- return getBinaryStream(columnIndex);
- }
-
- /**
- * A column value can also be retrieved as a stream of Unicode
- * characters. We implement this as a binary stream.
- *
- * @param columnIndex the first column is 1, the second is 2...
- * @return a Java InputStream that delivers the database column value
- * as a stream of two byte Unicode characters. If the value is
- * SQL NULL, then the result is null
- * @exception SQLException if a database access error occurs
- * @see getAsciiStream
- * @see getBinaryStream
- */
- public InputStream getUnicodeStream(int columnIndex) throws SQLException
- {
- return getBinaryStream(columnIndex);
- }
-
- /**
- * A column value can also be retrieved as a binary strea. This
- * method is suitable for retrieving LONGVARBINARY values.
- *
- * @param columnIndex the first column is 1, the second is 2...
- * @return a Java InputStream that delivers the database column value
- * as a stream of bytes. If the value is SQL NULL, then the result
- * is null
- * @exception SQLException if a database access error occurs
- * @see getAsciiStream
- * @see getUnicodeStream
- */
- public InputStream getBinaryStream(int columnIndex) throws SQLException
- {
- byte b[] = getBytes(columnIndex);
-
- if (b != null)
- return new ByteArrayInputStream(b);
- return null; // SQL NULL
- }
-
- /**
- * The following routines simply convert the columnName into
- * a columnIndex and then call the appropriate routine above.
- *
- * @param columnName is the SQL name of the column
- * @return the column value
- * @exception SQLException if a database access error occurs
- */
- public String getString(String columnName) throws SQLException
- {
- return getString(findColumn(columnName));
- }
-
- public boolean getBoolean(String columnName) throws SQLException
- {
- return getBoolean(findColumn(columnName));
- }
-
- public byte getByte(String columnName) throws SQLException
- {
-
- return getByte(findColumn(columnName));
- }
-
- public short getShort(String columnName) throws SQLException
- {
- return getShort(findColumn(columnName));
- }
-
- public int getInt(String columnName) throws SQLException
- {
- return getInt(findColumn(columnName));
- }
-
- public long getLong(String columnName) throws SQLException
- {
- return getLong(findColumn(columnName));
- }
-
- public float getFloat(String columnName) throws SQLException
- {
- return getFloat(findColumn(columnName));
- }
-
- public double getDouble(String columnName) throws SQLException
- {
- return getDouble(findColumn(columnName));
- }
-
- public BigDecimal getBigDecimal(String columnName, int scale) throws SQLException
- {
- return getBigDecimal(findColumn(columnName), scale);
- }
-
- public byte[] getBytes(String columnName) throws SQLException
- {
- return getBytes(findColumn(columnName));
- }
-
- public java.sql.Date getDate(String columnName) throws SQLException
- {
- return getDate(findColumn(columnName));
- }
-
- public Time getTime(String columnName) throws SQLException
- {
- return getTime(findColumn(columnName));
- }
-
- public Timestamp getTimestamp(String columnName) throws SQLException
- {
- return getTimestamp(findColumn(columnName));
- }
-
- public InputStream getAsciiStream(String columnName) throws SQLException
- {
- return getAsciiStream(findColumn(columnName));
- }
-
- public InputStream getUnicodeStream(String columnName) throws SQLException
- {
- return getUnicodeStream(findColumn(columnName));
- }
-
- public InputStream getBinaryStream(String columnName) throws SQLException
- {
- return getBinaryStream(findColumn(columnName));
- }
-
- /**
- * The first warning reported by calls on this ResultSet is
- * returned. Subsequent ResultSet warnings will be chained
- * to this SQLWarning.
- *
- *
The warning chain is automatically cleared each time a new
- * row is read.
- *
- *
Note: This warning chain only covers warnings caused by
- * ResultSet methods. Any warnings caused by statement methods
- * (such as reading OUT parameters) will be chained on the
- * Statement object.
- *
- * @return the first SQLWarning or null;
- * @exception SQLException if a database access error occurs.
- */
- public SQLWarning getWarnings() throws SQLException
- {
- return warnings;
- }
-
- /**
- * After this call, getWarnings returns null until a new warning
- * is reported for this ResultSet
- *
- * @exception SQLException if a database access error occurs
- */
- public void clearWarnings() throws SQLException
- {
- warnings = null;
- }
-
- /**
- * Get the name of the SQL cursor used by this ResultSet
- *
- *
In SQL, a result table is retrieved though a cursor that is
- * named. The current row of a result can be updated or deleted
- * using a positioned update/delete statement that references
- * the cursor name.
- *
- *
JDBC supports this SQL feature by providing the name of the
- * SQL cursor used by a ResultSet. The current row of a ResulSet
- * is also the current row of this SQL cursor.
- *
- *
Note: If positioned update is not supported, a SQLException
- * is thrown.
- *
- * @return the ResultSet's SQL cursor name.
- * @exception SQLException if a database access error occurs
- */
- public String getCursorName() throws SQLException
- {
- return connection.getCursorName();
- }
-
- /**
- * The numbers, types and properties of a ResultSet's columns are
- * provided by the getMetaData method
- *
- * @return a description of the ResultSet's columns
- * @exception SQLException if a database access error occurs
- */
- public java.sql.ResultSetMetaData getMetaData() throws SQLException
- {
- return new ResultSetMetaData(rows, fields);
- }
-
- /**
- * Get the value of a column in the current row as a Java object
- *
- *
This method will return the value of the given column as a
- * Java object. The type of the Java object will be the default
- * Java Object type corresponding to the column's SQL type, following
- * the mapping specified in the JDBC specification.
- *
- *
This method may also be used to read database specific abstract
- * data types.
- *
- * @param columnIndex the first column is 1, the second is 2...
- * @return a Object holding the column value
- * @exception SQLException if a database access error occurs
- */
- public Object getObject(int columnIndex) throws SQLException
- {
- Field field;
-
- if (columnIndex < 1 || columnIndex > fields.length)
- throw new PSQLException("postgresql.res.colrange");
- field = fields[columnIndex - 1];
-
- // some fields can be null, mainly from those returned by MetaData methods
- if(field==null) {
- wasNullFlag=true;
- return null;
- }
-
- switch (field.getSQLType())
- {
- case Types.BIT:
- return new Boolean(getBoolean(columnIndex));
- case Types.SMALLINT:
- return new Integer(getInt(columnIndex));
- case Types.INTEGER:
- return new Integer(getInt(columnIndex));
- case Types.BIGINT:
- return new Long(getLong(columnIndex));
- case Types.NUMERIC:
- return getBigDecimal(columnIndex, ((field.mod-4) & 0xffff));
- case Types.REAL:
- return new Float(getFloat(columnIndex));
- case Types.DOUBLE:
- return new Double(getDouble(columnIndex));
- case Types.CHAR:
- case Types.VARCHAR:
- return getString(columnIndex);
- case Types.DATE:
- return getDate(columnIndex);
- case Types.TIME:
- return getTime(columnIndex);
- case Types.TIMESTAMP:
- return getTimestamp(columnIndex);
- default:
- return connection.getObject(field.getTypeName(), getString(columnIndex));
- }
- }
-
- /**
- * Get the value of a column in the current row as a Java object
- *
- *
This method will return the value of the given column as a
- * Java object. The type of the Java object will be the default
- * Java Object type corresponding to the column's SQL type, following
- * the mapping specified in the JDBC specification.
- *
- *
This method may also be used to read database specific abstract
- * data types.
- *
- * @param columnName is the SQL name of the column
- * @return a Object holding the column value
- * @exception SQLException if a database access error occurs
- */
- public Object getObject(String columnName) throws SQLException
- {
- return getObject(findColumn(columnName));
- }
-
- /**
- * Map a ResultSet column name to a ResultSet column index
- *
- * @param columnName the name of the column
- * @return the column index
- * @exception SQLException if a database access error occurs
- */
- public int findColumn(String columnName) throws SQLException
- {
- int i;
-
- for (i = 0 ; i < fields.length; ++i)
- if (fields[i].name.equalsIgnoreCase(columnName))
- return (i+1);
- throw new PSQLException ("postgresql.res.colname",columnName);
- }
-}
-
+++ /dev/null
-package postgresql.jdbc1;
-
-// IMPORTANT NOTE: This file implements the JDBC 1 version of the driver.
-// If you make any modifications to this file, you must make sure that the
-// changes are also made (if relevent) to the related JDBC 2 class in the
-// postgresql.jdbc2 package.
-
-import java.lang.*;
-import java.util.*;
-import postgresql.*;
-import postgresql.util.*;
-
-// We explicitly import classes here as the original line:
-//import java.sql.*;
-// causes javac to get confused.
-import java.sql.SQLException;
-import java.sql.Types;
-
-/**
- * A ResultSetMetaData object can be used to find out about the types and
- * properties of the columns in a ResultSet
- *
- * @see java.sql.ResultSetMetaData
- */
-public class ResultSetMetaData implements java.sql.ResultSetMetaData
-{
- Vector rows;
- Field[] fields;
-
- /**
- * Initialise for a result with a tuple set and
- * a field descriptor set
- *
- * @param rows the Vector of rows returned by the ResultSet
- * @param fields the array of field descriptors
- */
- public ResultSetMetaData(Vector rows, Field[] fields)
- {
- this.rows = rows;
- this.fields = fields;
- }
-
- /**
- * Whats the number of columns in the ResultSet?
- *
- * @return the number
- * @exception SQLException if a database access error occurs
- */
- public int getColumnCount() throws SQLException
- {
- return fields.length;
- }
-
- /**
- * Is the column automatically numbered (and thus read-only)
- * I believe that PostgreSQL does not support this feature.
- *
- * @param column the first column is 1, the second is 2...
- * @return true if so
- * @exception SQLException if a database access error occurs
- */
- public boolean isAutoIncrement(int column) throws SQLException
- {
- return false;
- }
-
- /**
- * Does a column's case matter? ASSUMPTION: Any field that is
- * not obviously case insensitive is assumed to be case sensitive
- *
- * @param column the first column is 1, the second is 2...
- * @return true if so
- * @exception SQLException if a database access error occurs
- */
- public boolean isCaseSensitive(int column) throws SQLException
- {
- int sql_type = getField(column).getSQLType();
-
- switch (sql_type)
- {
- case Types.SMALLINT:
- case Types.INTEGER:
- case Types.FLOAT:
- case Types.REAL:
- case Types.DOUBLE:
- case Types.DATE:
- case Types.TIME:
- case Types.TIMESTAMP:
- return false;
- default:
- return true;
- }
- }
-
- /**
- * Can the column be used in a WHERE clause? Basically for
- * this, I split the functions into two types: recognised
- * types (which are always useable), and OTHER types (which
- * may or may not be useable). The OTHER types, for now, I
- * will assume they are useable. We should really query the
- * catalog to see if they are useable.
- *
- * @param column the first column is 1, the second is 2...
- * @return true if they can be used in a WHERE clause
- * @exception SQLException if a database access error occurs
- */
- public boolean isSearchable(int column) throws SQLException
- {
- int sql_type = getField(column).getSQLType();
-
- // This switch is pointless, I know - but it is a set-up
- // for further expansion.
- switch (sql_type)
- {
- case Types.OTHER:
- return true;
- default:
- return true;
- }
- }
-
- /**
- * Is the column a cash value? 6.1 introduced the cash/money
- * type, which haven't been incorporated as of 970414, so I
- * just check the type name for both 'cash' and 'money'
- *
- * @param column the first column is 1, the second is 2...
- * @return true if its a cash column
- * @exception SQLException if a database access error occurs
- */
- public boolean isCurrency(int column) throws SQLException
- {
- String type_name = getField(column).getTypeName();
-
- return type_name.equals("cash") || type_name.equals("money");
- }
-
- /**
- * Can you put a NULL in this column? I think this is always
- * true in 6.1's case. It would only be false if the field had
- * been defined NOT NULL (system catalogs could be queried?)
- *
- * @param column the first column is 1, the second is 2...
- * @return one of the columnNullable values
- * @exception SQLException if a database access error occurs
- */
- public int isNullable(int column) throws SQLException
- {
- return columnNullable; // We can always put NULL in
- }
-
- /**
- * Is the column a signed number? In PostgreSQL, all numbers
- * are signed, so this is trivial. However, strings are not
- * signed (duh!)
- *
- * @param column the first column is 1, the second is 2...
- * @return true if so
- * @exception SQLException if a database access error occurs
- */
- public boolean isSigned(int column) throws SQLException
- {
- int sql_type = getField(column).getSQLType();
-
- switch (sql_type)
- {
- case Types.SMALLINT:
- case Types.INTEGER:
- case Types.FLOAT:
- case Types.REAL:
- case Types.DOUBLE:
- return true;
- case Types.DATE:
- case Types.TIME:
- case Types.TIMESTAMP:
- return false; // I don't know about these?
- default:
- return false;
- }
- }
-
- /**
- * What is the column's normal maximum width in characters?
- *
- * @param column the first column is 1, the second is 2, etc.
- * @return the maximum width
- * @exception SQLException if a database access error occurs
- */
- public int getColumnDisplaySize(int column) throws SQLException
- {
- Field f = getField(column);
- String type_name = f.getTypeName();
- int sql_type = f.getSQLType();
- int typmod = f.mod;
-
- // I looked at other JDBC implementations and couldn't find a consistent
- // interpretation of the "display size" for numeric values, so this is our's
- // FIXME: currently, only types with a SQL92 or SQL3 pendant are implemented -
[email protected]-
- // fixed length data types
- if (type_name.equals( "int2" )) return 6; // -32768 to +32768 (5 digits and a sign)
- if (type_name.equals( "int4" )
- || type_name.equals( "oid" )) return 11; // -2147483648 to +2147483647
- if (type_name.equals( "int8" )) return 20; // -9223372036854775808 to +9223372036854775807
- if (type_name.equals( "money" )) return 12; // MONEY = DECIMAL(9,2)
- if (type_name.equals( "float4" )) return 11; // i checked it out ans wasn't able to produce more than 11 digits
- if (type_name.equals( "float8" )) return 20; // dito, 20
- if (type_name.equals( "char" )) return 1;
- if (type_name.equals( "bool" )) return 1;
- if (type_name.equals( "date" )) return 14; // "01/01/4713 BC" - "31/12/32767 AD"
- if (type_name.equals( "time" )) return 8; // 00:00:00-23:59:59
- if (type_name.equals( "timestamp" )) return 22; // hhmmm ... the output looks like this: 1999-08-03 22:22:08+02
-
- // variable length fields
- typmod -= 4;
- if (type_name.equals( "bpchar" )
- || type_name.equals( "varchar" )) return typmod; // VARHDRSZ=sizeof(int32)=4
- if (type_name.equals( "numeric" )) return ( (typmod >>16) & 0xffff )
- + 1 + ( typmod & 0xffff ); // DECIMAL(p,s) = (p digits).(s digits)
-
- // if we don't know better
- return f.length;
- }
-
- /**
- * What is the suggested column title for use in printouts and
- * displays? We suggest the ColumnName!
- *
- * @param column the first column is 1, the second is 2, etc.
- * @return the column label
- * @exception SQLException if a database access error occurs
- */
- public String getColumnLabel(int column) throws SQLException
- {
- return getColumnName(column);
- }
-
- /**
- * What's a column's name?
- *
- * @param column the first column is 1, the second is 2, etc.
- * @return the column name
- * @exception SQLException if a database access error occurs
- */
- public String getColumnName(int column) throws SQLException
- {
- Field f = getField(column);
- if(f!=null)
- return f.name;
- return "field"+column;
- }
-
- /**
- * What is a column's table's schema? This relies on us knowing
- * the table name....which I don't know how to do as yet. The
- * JDBC specification allows us to return "" if this is not
- * applicable.
- *
- * @param column the first column is 1, the second is 2...
- * @return the Schema
- * @exception SQLException if a database access error occurs
- */
- public String getSchemaName(int column) throws SQLException
- {
- return "";
- }
-
- /**
- * What is a column's number of decimal digits.
- *
- * @param column the first column is 1, the second is 2...
- * @return the precision
- * @exception SQLException if a database access error occurs
- */
- public int getPrecision(int column) throws SQLException
- {
- int sql_type = getField(column).getSQLType();
-
- switch (sql_type)
- {
- case Types.SMALLINT:
- return 5;
- case Types.INTEGER:
- return 10;
- case Types.REAL:
- return 8;
- case Types.FLOAT:
- return 16;
- case Types.DOUBLE:
- return 16;
- case Types.VARCHAR:
- return 0;
- default:
- return 0;
- }
- }
-
- /**
- * What is a column's number of digits to the right of the
- * decimal point?
- *
- * @param column the first column is 1, the second is 2...
- * @return the scale
- * @exception SQLException if a database access error occurs
- */
- public int getScale(int column) throws SQLException
- {
- int sql_type = getField(column).getSQLType();
-
- switch (sql_type)
- {
- case Types.SMALLINT:
- return 0;
- case Types.INTEGER:
- return 0;
- case Types.REAL:
- return 8;
- case Types.FLOAT:
- return 16;
- case Types.DOUBLE:
- return 16;
- case Types.VARCHAR:
- return 0;
- default:
- return 0;
- }
- }
-
- /**
- * Whats a column's table's name? How do I find this out? Both
- * getSchemaName() and getCatalogName() rely on knowing the table
- * Name, so we need this before we can work on them.
- *
- * @param column the first column is 1, the second is 2...
- * @return column name, or "" if not applicable
- * @exception SQLException if a database access error occurs
- */
- public String getTableName(int column) throws SQLException
- {
- return "";
- }
-
- /**
- * What's a column's table's catalog name? As with getSchemaName(),
- * we can say that if getTableName() returns n/a, then we can too -
- * otherwise, we need to work on it.
- *
- * @param column the first column is 1, the second is 2...
- * @return catalog name, or "" if not applicable
- * @exception SQLException if a database access error occurs
- */
- public String getCatalogName(int column) throws SQLException
- {
- return "";
- }
-
- /**
- * What is a column's SQL Type? (java.sql.Type int)
- *
- * @param column the first column is 1, the second is 2, etc.
- * @return the java.sql.Type value
- * @exception SQLException if a database access error occurs
- * @see postgresql.Field#getSQLType
- * @see java.sql.Types
- */
- public int getColumnType(int column) throws SQLException
- {
- return getField(column).getSQLType();
- }
-
- /**
- * Whats is the column's data source specific type name?
- *
- * @param column the first column is 1, the second is 2, etc.
- * @return the type name
- * @exception SQLException if a database access error occurs
- */
- public String getColumnTypeName(int column) throws SQLException
- {
- return getField(column).getTypeName();
- }
-
- /**
- * Is the column definitely not writable? In reality, we would
- * have to check the GRANT/REVOKE stuff for this to be effective,
- * and I haven't really looked into that yet, so this will get
- * re-visited.
- *
- * @param column the first column is 1, the second is 2, etc.
- * @return true if so
- * @exception SQLException if a database access error occurs
- */
- public boolean isReadOnly(int column) throws SQLException
- {
- return false;
- }
-
- /**
- * Is it possible for a write on the column to succeed? Again, we
- * would in reality have to check the GRANT/REVOKE stuff, which
- * I haven't worked with as yet. However, if it isn't ReadOnly, then
- * it is obviously writable.
- *
- * @param column the first column is 1, the second is 2, etc.
- * @return true if so
- * @exception SQLException if a database access error occurs
- */
- public boolean isWritable(int column) throws SQLException
- {
- if (isReadOnly(column))
- return true;
- else
- return false;
- }
-
- /**
- * Will a write on this column definately succeed? Hmmm...this
- * is a bad one, since the two preceding functions have not been
- * really defined. I cannot tell is the short answer. I thus
- * return isWritable() just to give us an idea.
- *
- * @param column the first column is 1, the second is 2, etc..
- * @return true if so
- * @exception SQLException if a database access error occurs
- */
- public boolean isDefinitelyWritable(int column) throws SQLException
- {
- return isWritable(column);
- }
-
- // ********************************************************
- // END OF PUBLIC INTERFACE
- // ********************************************************
-
- /**
- * For several routines in this package, we need to convert
- * a columnIndex into a Field[] descriptor. Rather than do
- * the same code several times, here it is.
- *
- * @param columnIndex the first column is 1, the second is 2...
- * @return the Field description
- * @exception SQLException if a database access error occurs
- */
- private Field getField(int columnIndex) throws SQLException
- {
- if (columnIndex < 1 || columnIndex > fields.length)
- throw new PSQLException("postgresql.res.colrange");
- return fields[columnIndex - 1];
- }
-}
-
+++ /dev/null
-package postgresql.jdbc1;
-
-// IMPORTANT NOTE: This file implements the JDBC 1 version of the driver.
-// If you make any modifications to this file, you must make sure that the
-// changes are also made (if relevent) to the related JDBC 2 class in the
-// postgresql.jdbc2 package.
-
-import java.sql.*;
-
-import postgresql.util.PSQLException;
-
-/**
- * A Statement object is used for executing a static SQL statement and
- * obtaining the results produced by it.
- *
- *
Only one ResultSet per Statement can be open at any point in time.
- * Therefore, if the reading of one ResultSet is interleaved with the
- * reading of another, each must have been generated by different
- * Statements. All statement execute methods implicitly close a
- * statement's current ResultSet if an open one exists.
- *
- * @see java.sql.Statement
- * @see ResultSet
- */
-public class Statement implements java.sql.Statement
-{
- Connection connection; // The connection who created us
- java.sql.ResultSet result = null; // The current results
- SQLWarning warnings = null; // The warnings chain.
- int timeout = 0; // The timeout for a query (not used)
- boolean escapeProcessing = true;// escape processing flag
-
- /**
- * Constructor for a Statement. It simply sets the connection
- * that created us.
- *
- * @param c the Connection instantation that creates us
- */
- public Statement (Connection c)
- {
- connection = c;
- }
-
- /**
- * Execute a SQL statement that retruns a single ResultSet
- *
- * @param sql typically a static SQL SELECT statement
- * @return a ResulSet that contains the data produced by the query
- * @exception SQLException if a database access error occurs
- */
- public java.sql.ResultSet executeQuery(String sql) throws SQLException
- {
- this.execute(sql);
- while (result != null && !((postgresql.ResultSet)result).reallyResultSet())
- result = ((postgresql.ResultSet)result).getNext();
- if (result == null)
- throw new PSQLException("postgresql.stat.noresult");
- return result;
- }
-
- /**
- * Execute a SQL INSERT, UPDATE or DELETE statement. In addition
- * SQL statements that return nothing such as SQL DDL statements
- * can be executed
- *
- * @param sql a SQL statement
- * @return either a row count, or 0 for SQL commands
- * @exception SQLException if a database access error occurs
- */
- public int executeUpdate(String sql) throws SQLException
- {
- this.execute(sql);
- if (((postgresql.ResultSet)result).reallyResultSet())
- throw new PSQLException("postgresql.stat.result");
- return this.getUpdateCount();
- }
-
- /**
- * In many cases, it is desirable to immediately release a
- * Statement's database and JDBC resources instead of waiting
- * for this to happen when it is automatically closed. The
- * close method provides this immediate release.
- *
- *
Note: A Statement is automatically closed when it is
- * garbage collected. When a Statement is closed, its current
- * ResultSet, if one exists, is also closed.
- *
- * @exception SQLException if a database access error occurs (why?)
- */
- public void close() throws SQLException
- {
- result = null;
- }
-
- /**
- * The maxFieldSize limit (in bytes) is the maximum amount of
- * data returned for any column value; it only applies to
- * BINARY, VARBINARY, LONGVARBINARY, CHAR, VARCHAR and LONGVARCHAR
- * columns. If the limit is exceeded, the excess data is silently
- * discarded.
- *
- * @return the current max column size limit; zero means unlimited
- * @exception SQLException if a database access error occurs
- */
- public int getMaxFieldSize() throws SQLException
- {
- return 8192; // We cannot change this
- }
-
- /**
- * Sets the maxFieldSize - NOT! - We throw an SQLException just
- * to inform them to stop doing this.
- *
- * @param max the new max column size limit; zero means unlimited
- * @exception SQLException if a database access error occurs
- */
- public void setMaxFieldSize(int max) throws SQLException
- {
- throw new PSQLException("postgresql.stat.maxfieldsize");
- }
-
- /**
- * The maxRows limit is set to limit the number of rows that
- * any ResultSet can contain. If the limit is exceeded, the
- * excess rows are silently dropped.
- *
- * @return the current maximum row limit; zero means unlimited
- * @exception SQLException if a database access error occurs
- */
- public int getMaxRows() throws SQLException
- {
- return connection.maxrows;
- }
-
- /**
- * Set the maximum number of rows
- *
- * @param max the new max rows limit; zero means unlimited
- * @exception SQLException if a database access error occurs
- * @see getMaxRows
- */
- public void setMaxRows(int max) throws SQLException
- {
- connection.maxrows = max;
- }
-
- /**
- * If escape scanning is on (the default), the driver will do escape
- * substitution before sending the SQL to the database.
- *
- * @param enable true to enable; false to disable
- * @exception SQLException if a database access error occurs
- */
- public void setEscapeProcessing(boolean enable) throws SQLException
- {
- escapeProcessing = enable;
- }
-
- /**
- * The queryTimeout limit is the number of seconds the driver
- * will wait for a Statement to execute. If the limit is
- * exceeded, a SQLException is thrown.
- *
- * @return the current query timeout limit in seconds; 0 = unlimited
- * @exception SQLException if a database access error occurs
- */
- public int getQueryTimeout() throws SQLException
- {
- return timeout;
- }
-
- /**
- * Sets the queryTimeout limit
- *
- * @param seconds - the new query timeout limit in seconds
- * @exception SQLException if a database access error occurs
- */
- public void setQueryTimeout(int seconds) throws SQLException
- {
- timeout = seconds;
- }
-
- /**
- * Cancel can be used by one thread to cancel a statement that
- * is being executed by another thread. However, PostgreSQL is
- * a sync. sort of thing, so this really has no meaning - we
- * define it as a no-op (i.e. you can't cancel, but there is no
- * error if you try.)
- *
- * 6.4 introduced a cancel operation, but we have not implemented it
- * yet. Sometime before 6.5, this method will be implemented.
- *
- * @exception SQLException only because thats the spec.
- */
- public void cancel() throws SQLException
- {
- // No-op
- }
-
- /**
- * The first warning reported by calls on this Statement is
- * returned. A Statement's execute methods clear its SQLWarning
- * chain. Subsequent Statement warnings will be chained to this
- * SQLWarning.
- *
- *
The Warning chain is automatically cleared each time a statement
- * is (re)executed.
- *
- *
Note: If you are processing a ResultSet then any warnings
- * associated with ResultSet reads will be chained on the ResultSet
- * object.
- *
- * @return the first SQLWarning on null
- * @exception SQLException if a database access error occurs
- */
- public SQLWarning getWarnings() throws SQLException
- {
- return warnings;
- }
-
- /**
- * After this call, getWarnings returns null until a new warning
- * is reported for this Statement.
- *
- * @exception SQLException if a database access error occurs (why?)
- */
- public void clearWarnings() throws SQLException
- {
- warnings = null;
- }
-
- /**
- * setCursorName defines the SQL cursor name that will be used by
- * subsequent execute methods. This name can then be used in SQL
- * positioned update/delete statements to identify the current row
- * in the ResultSet generated by this statement. If a database
- * doesn't support positioned update/delete, this method is a
- * no-op.
- *
- *
Note: By definition, positioned update/delete execution
- * must be done by a different Statement than the one which
- * generated the ResultSet being used for positioning. Also, cursor
- * names must be unique within a Connection.
- *
- *
We throw an additional constriction. There can only be one
- * cursor active at any one time.
- *
- * @param name the new cursor name
- * @exception SQLException if a database access error occurs
- */
- public void setCursorName(String name) throws SQLException
- {
- connection.setCursorName(name);
- }
-
- /**
- * Execute a SQL statement that may return multiple results. We
- * don't have to worry about this since we do not support multiple
- * ResultSets. You can use getResultSet or getUpdateCount to
- * retrieve the result.
- *
- * @param sql any SQL statement
- * @return true if the next result is a ResulSet, false if it is
- * an update count or there are no more results
- * @exception SQLException if a database access error occurs
- */
- public boolean execute(String sql) throws SQLException
- {
- result = connection.ExecSQL(sql);
- return (result != null && ((postgresql.ResultSet)result).reallyResultSet());
- }
-
- /**
- * getResultSet returns the current result as a ResultSet. It
- * should only be called once per result.
- *
- * @return the current result set; null if there are no more
- * @exception SQLException if a database access error occurs (why?)
- */
- public java.sql.ResultSet getResultSet() throws SQLException
- {
- return result;
- }
-
- /**
- * getUpdateCount returns the current result as an update count,
- * if the result is a ResultSet or there are no more results, -1
- * is returned. It should only be called once per result.
- *
- * @return the current result as an update count.
- * @exception SQLException if a database access error occurs
- */
- public int getUpdateCount() throws SQLException
- {
- if (result == null) return -1;
- if (((postgresql.ResultSet)result).reallyResultSet()) return -1;
- return ((postgresql.ResultSet)result).getResultCount();
- }
-
- /**
- * getMoreResults moves to a Statement's next result. If it returns
- * true, this result is a ResulSet.
- *
- * @return true if the next ResultSet is valid
- * @exception SQLException if a database access error occurs
- */
- public boolean getMoreResults() throws SQLException
- {
- result = ((postgresql.ResultSet)result).getNext();
- return (result != null && ((postgresql.ResultSet)result).reallyResultSet());
- }
-
- /**
- * Returns the status message from the current Result.
- * This is used internally by the driver.
- *
- * @return status message from backend
- */
- public String getResultStatusString()
- {
- if(result == null)
- return null;
- return ((postgresql.ResultSet)result).getStatusString();
- }
-}
+++ /dev/null
-package postgresql.jdbc2;
-
-// IMPORTANT NOTE: This file implements the JDBC 2 version of the driver.
-// If you make any modifications to this file, you must make sure that the
-// changes are also made (if relevent) to the related JDBC 1 class in the
-// postgresql.jdbc1 package.
-
-import java.sql.*;
-import java.math.*;
-
-/**
- * CallableStatement is used to execute SQL stored procedures.
- *
- *
JDBC provides a stored procedure SQL escape that allows stored
- * procedures to be called in a standard way for all RDBMS's. This escape
- * syntax has one form that includes a result parameter and one that does
- * not. If used, the result parameter must be registered as an OUT
- * parameter. The other parameters may be used for input, output or both.
- * Parameters are refered to sequentially, by number. The first parameter
- * is 1.
- *
- *
- *
- *
IN parameter values are set using the set methods inherited from
- * PreparedStatement. The type of all OUT parameters must be registered
- * prior to executing the stored procedure; their values are retrieved
- * after execution via the get methods provided here.
- *
- *
A Callable statement may return a ResultSet or multiple ResultSets.
- * Multiple ResultSets are handled using operations inherited from
- * Statement.
- *
- *
For maximum portability, a call's ResultSets and update counts should
- * be processed prior to getting the values of output parameters.
- *
- * @see Connection#prepareCall
- * @see ResultSet
- */
-
-public class CallableStatement extends postgresql.jdbc2.PreparedStatement implements java.sql.CallableStatement
-{
- /**
- * @exception SQLException on failure
- */
- public CallableStatement(Connection c,String q) throws SQLException
- {
- super(c,q);
- }
-
- /**
- * Before executing a stored procedure call you must explicitly
- * call registerOutParameter to register the java.sql.Type of each
- * out parameter.
- *
- *
Note: When reading the value of an out parameter, you must use
- * the getXXX method whose Java type XXX corresponds to the
- * parameter's registered SQL type.
- *
- * @param parameterIndex the first parameter is 1, the second is 2,...
- * @param sqlType SQL type code defined by java.sql.Types; for
- * parameters of type Numeric or Decimal use the version of
- * registerOutParameter that accepts a scale value
- * @exception SQLException if a database-access error occurs.
- */
- public void registerOutParameter(int parameterIndex, int sqlType) throws SQLException {
- }
-
- /**
- * You must also specify the scale for numeric/decimal types:
- *
- *
Note: When reading the value of an out parameter, you must use
- * the getXXX method whose Java type XXX corresponds to the
- * parameter's registered SQL type.
- *
- * @param parameterIndex the first parameter is 1, the second is 2,...
- * @param sqlType use either java.sql.Type.NUMERIC or java.sql.Type.DECIMAL
- * @param scale a value greater than or equal to zero representing the
- * desired number of digits to the right of the decimal point
- * @exception SQLException if a database-access error occurs.
- */
- public void registerOutParameter(int parameterIndex, int sqlType,
- int scale) throws SQLException
- {
- }
-
- // Old api?
- //public boolean isNull(int parameterIndex) throws SQLException {
- //return true;
- //}
-
- /**
- * An OUT parameter may have the value of SQL NULL; wasNull
- * reports whether the last value read has this special value.
- *
- *
Note: You must first call getXXX on a parameter to read its
- * value and then call wasNull() to see if the value was SQL NULL.
- * @return true if the last parameter read was SQL NULL
- * @exception SQLException if a database-access error occurs.
- */
- public boolean wasNull() throws SQLException {
- // check to see if the last access threw an exception
- return false; // fake it for now
- }
-
- // Old api?
- //public String getChar(int parameterIndex) throws SQLException {
- //return null;
- //}
-
- /**
- * Get the value of a CHAR, VARCHAR, or LONGVARCHAR parameter as a
- * Java String.
- *
- * @param parameterIndex the first parameter is 1, the second is 2,...
- * @return the parameter value; if the value is SQL NULL, the result is null
- * @exception SQLException if a database-access error occurs.
- */
- public String getString(int parameterIndex) throws SQLException {
- return null;
- }
- //public String getVarChar(int parameterIndex) throws SQLException {
- // return null;
- //}
-
- //public String getLongVarChar(int parameterIndex) throws SQLException {
- //return null;
- //}
-
- /**
- * Get the value of a BIT parameter as a Java boolean.
- *
- * @param parameterIndex the first parameter is 1, the second is 2,...
- * @return the parameter value; if the value is SQL NULL, the result is false
- * @exception SQLException if a database-access error occurs.
- */
- public boolean getBoolean(int parameterIndex) throws SQLException {
- return false;
- }
-
- /**
- * Get the value of a TINYINT parameter as a Java byte.
- *
- * @param parameterIndex the first parameter is 1, the second is 2,...
- * @return the parameter value; if the value is SQL NULL, the result is 0
- * @exception SQLException if a database-access error occurs.
- */
- public byte getByte(int parameterIndex) throws SQLException {
- return 0;
- }
-
- /**
- * Get the value of a SMALLINT parameter as a Java short.
- *
- * @param parameterIndex the first parameter is 1, the second is 2,...
- * @return the parameter value; if the value is SQL NULL, the result is 0
- * @exception SQLException if a database-access error occurs.
- */
- public short getShort(int parameterIndex) throws SQLException {
- return 0;
- }
-
- /**
- * Get the value of an INTEGER parameter as a Java int.
- *
- * @param parameterIndex the first parameter is 1, the second is 2,...
- * @return the parameter value; if the value is SQL NULL, the result is 0
- * @exception SQLException if a database-access error occurs.
- */
-public int getInt(int parameterIndex) throws SQLException {
- return 0;
- }
-
- /**
- * Get the value of a BIGINT parameter as a Java long.
- *
- * @param parameterIndex the first parameter is 1, the second is 2,...
- * @return the parameter value; if the value is SQL NULL, the result is 0
- * @exception SQLException if a database-access error occurs.
- */
- public long getLong(int parameterIndex) throws SQLException {
- return 0;
- }
-
- /**
- * Get the value of a FLOAT parameter as a Java float.
- *
- * @param parameterIndex the first parameter is 1, the second is 2,...
- * @return the parameter value; if the value is SQL NULL, the result is 0
- * @exception SQLException if a database-access error occurs.
- */
- public float getFloat(int parameterIndex) throws SQLException {
- return (float) 0.0;
- }
-
- /**
- * Get the value of a DOUBLE parameter as a Java double.
- *
- * @param parameterIndex the first parameter is 1, the second is 2,...
- * @return the parameter value; if the value is SQL NULL, the result is 0
- * @exception SQLException if a database-access error occurs.
- */
- public double getDouble(int parameterIndex) throws SQLException {
- return 0.0;
- }
-
- /**
- * Get the value of a NUMERIC parameter as a java.math.BigDecimal
- * object.
- *
- * @param parameterIndex the first parameter is 1, the second is 2,...
- * @param scale a value greater than or equal to zero representing the
- * desired number of digits to the right of the decimal point
- * @return the parameter value; if the value is SQL NULL, the result is null
- * @exception SQLException if a database-access error occurs.
- */
- public BigDecimal getBigDecimal(int parameterIndex, int scale)
- throws SQLException {
- return null;
- }
-
- /**
- * Get the value of a SQL BINARY or VARBINARY parameter as a Java
- * byte[]
- *
- * @param parameterIndex the first parameter is 1, the second is 2,...
- * @return the parameter value; if the value is SQL NULL, the result is null
- * @exception SQLException if a database-access error occurs.
- */
- public byte[] getBytes(int parameterIndex) throws SQLException {
- return null;
- }
-
- // New API (JPM) (getLongVarBinary)
- //public byte[] getBinaryStream(int parameterIndex) throws SQLException {
- //return null;
- //}
-
- /**
- * Get the value of a SQL DATE parameter as a java.sql.Date object
- *
- * @param parameterIndex the first parameter is 1, the second is 2,...
- * @return the parameter value; if the value is SQL NULL, the result is null
- * @exception SQLException if a database-access error occurs.
- */
- public java.sql.Date getDate(int parameterIndex) throws SQLException {
- return null;
- }
-
- /**
- * Get the value of a SQL TIME parameter as a java.sql.Time object.
- *
- * @param parameterIndex the first parameter is 1, the second is 2,...
- * @return the parameter value; if the value is SQL NULL, the result is null
- * @exception SQLException if a database-access error occurs.
- */
- public java.sql.Time getTime(int parameterIndex) throws SQLException {
- return null;
- }
-
- /**
- * Get the value of a SQL TIMESTAMP parameter as a java.sql.Timestamp object.
- *
- * @param parameterIndex the first parameter is 1, the second is 2,...
- * @return the parameter value; if the value is SQL NULL, the result is null
- * @exception SQLException if a database-access error occurs.
- */
- public java.sql.Timestamp getTimestamp(int parameterIndex)
- throws SQLException {
- return null;
- }
-
- //----------------------------------------------------------------------
- // Advanced features:
-
- // You can obtain a ParameterMetaData object to get information
- // about the parameters to this CallableStatement.
- //public DatabaseMetaData getMetaData() {
- //return null;
- //}
-
- // getObject returns a Java object for the parameter.
- // See the JDBC spec's "Dynamic Programming" chapter for details.
- /**
- * Get the value of a parameter as a Java object.
- *
- *
This method returns a Java object whose type coresponds to the
- * SQL type that was registered for this parameter using
- * registerOutParameter.
- *
- *
Note that this method may be used to read datatabase-specific,
- * abstract data types. This is done by specifying a targetSqlType
- * of java.sql.types.OTHER, which allows the driver to return a
- * database-specific Java type.
- *
- *
See the JDBC spec's "Dynamic Programming" chapter for details.
- *
- * @param parameterIndex the first parameter is 1, the second is 2,...
- * @return A java.lang.Object holding the OUT parameter value.
- * @exception SQLException if a database-access error occurs.
- */
- public Object getObject(int parameterIndex)
- throws SQLException {
- return null;
- }
-
- // ** JDBC 2 Extensions **
-
- public Array getArray(int i) throws SQLException
- {
- throw postgresql.Driver.notImplemented();
- }
-
- public java.math.BigDecimal getBigDecimal(int i) throws SQLException
- {
- throw postgresql.Driver.notImplemented();
- }
-
- public Blob getBlob(int i) throws SQLException
- {
- throw postgresql.Driver.notImplemented();
- }
-
- public Clob getClob(int i) throws SQLException
- {
- throw postgresql.Driver.notImplemented();
- }
-
- public Object getObject(int i,java.util.Map map) throws SQLException
- {
- throw postgresql.Driver.notImplemented();
- }
-
- public Ref getRef(int i) throws SQLException
- {
- throw postgresql.Driver.notImplemented();
- }
-
- public java.sql.Date getDate(int i,java.util.Calendar cal) throws SQLException
- {
- throw postgresql.Driver.notImplemented();
- }
-
- public Time getTime(int i,java.util.Calendar cal) throws SQLException
- {
- throw postgresql.Driver.notImplemented();
- }
-
- public Timestamp getTimestamp(int i,java.util.Calendar cal) throws SQLException
- {
- throw postgresql.Driver.notImplemented();
- }
-
- public void registerOutParameter(int parameterIndex, int sqlType,String typeName) throws SQLException
- {
- throw postgresql.Driver.notImplemented();
- }
-
-}
-
+++ /dev/null
-package postgresql.jdbc2;
-
-// IMPORTANT NOTE: This file implements the JDBC 2 version of the driver.
-// If you make any modifications to this file, you must make sure that the
-// changes are also made (if relevent) to the related JDBC 1 class in the
-// postgresql.jdbc1 package.
-
-import java.io.*;
-import java.lang.*;
-import java.lang.reflect.*;
-import java.net.*;
-import java.util.*;
-import java.sql.*;
-import postgresql.Field;
-import postgresql.fastpath.*;
-import postgresql.largeobject.*;
-import postgresql.util.*;
-
-/**
- * $Id: Connection.java,v 1.3 1999/09/14 05:50:44 peter Exp $
- *
- * A Connection represents a session with a specific database. Within the
- * context of a Connection, SQL statements are executed and results are
- * returned.
- *
- *
A Connection's database is able to provide information describing
- * its tables, its supported SQL grammar, its stored procedures, the
- * capabilities of this connection, etc. This information is obtained
- * with the getMetaData method.
- *
- *
Note: By default, the Connection automatically commits changes
- * after executing each statement. If auto-commit has been disabled, an
- * explicit commit must be done or database changes will not be saved.
- *
- * @see java.sql.Connection
- */
-public class Connection extends postgresql.Connection implements java.sql.Connection
-{
- // This is a cache of the DatabaseMetaData instance for this connection
- protected DatabaseMetaData metadata;
-
- /**
- * SQL statements without parameters are normally executed using
- * Statement objects. If the same SQL statement is executed many
- * times, it is more efficient to use a PreparedStatement
- *
- * @return a new Statement object
- * @exception SQLException passed through from the constructor
- */
- public java.sql.Statement createStatement() throws SQLException
- {
- return new Statement(this);
- }
-
- /**
- * A SQL statement with or without IN parameters can be pre-compiled
- * and stored in a PreparedStatement object. This object can then
- * be used to efficiently execute this statement multiple times.
- *
- * Note: This method is optimized for handling parametric
- * SQL statements that benefit from precompilation if the drivers
- * supports precompilation. PostgreSQL does not support precompilation.
- * In this case, the statement is not sent to the database until the
- * PreparedStatement is executed. This has no direct effect on users;
- * however it does affect which method throws certain SQLExceptions
- *
- * @param sql a SQL statement that may contain one or more '?' IN
- * parameter placeholders
- * @return a new PreparedStatement object containing the pre-compiled
- * statement.
- * @exception SQLException if a database access error occurs.
- */
- public java.sql.PreparedStatement prepareStatement(String sql) throws SQLException
- {
- return new PreparedStatement(this, sql);
- }
-
- /**
- * A SQL stored procedure call statement is handled by creating a
- * CallableStatement for it. The CallableStatement provides methods
- * for setting up its IN and OUT parameters and methods for executing
- * it.
- *
- * Note: This method is optimised for handling stored procedure
- * call statements. Some drivers may send the call statement to the
- * database when the prepareCall is done; others may wait until the
- * CallableStatement is executed. This has no direct effect on users;
- * however, it does affect which method throws certain SQLExceptions
- *
- * @param sql a SQL statement that may contain one or more '?' parameter
- * placeholders. Typically this statement is a JDBC function call
- * escape string.
- * @return a new CallableStatement object containing the pre-compiled
- * SQL statement
- * @exception SQLException if a database access error occurs
- */
- public java.sql.CallableStatement prepareCall(String sql) throws SQLException
- {
- throw new PSQLException("postgresql.con.call");
- // return new CallableStatement(this, sql);
- }
-
- /**
- * A driver may convert the JDBC sql grammar into its system's
- * native SQL grammar prior to sending it; nativeSQL returns the
- * native form of the statement that the driver would have sent.
- *
- * @param sql a SQL statement that may contain one or more '?'
- * parameter placeholders
- * @return the native form of this statement
- * @exception SQLException if a database access error occurs
- */
- public String nativeSQL(String sql) throws SQLException
- {
- return sql;
- }
-
- /**
- * If a connection is in auto-commit mode, than all its SQL
- * statements will be executed and committed as individual
- * transactions. Otherwise, its SQL statements are grouped
- * into transactions that are terminated by either commit()
- * or rollback(). By default, new connections are in auto-
- * commit mode. The commit occurs when the statement completes
- * or the next execute occurs, whichever comes first. In the
- * case of statements returning a ResultSet, the statement
- * completes when the last row of the ResultSet has been retrieved
- * or the ResultSet has been closed. In advanced cases, a single
- * statement may return multiple results as well as output parameter
- * values. Here the commit occurs when all results and output param
- * values have been retrieved.
- *
- * @param autoCommit - true enables auto-commit; false disables it
- * @exception SQLException if a database access error occurs
- */
- public void setAutoCommit(boolean autoCommit) throws SQLException
- {
- if (this.autoCommit == autoCommit)
- return;
- if (autoCommit)
- ExecSQL("end");
- else
- ExecSQL("begin");
- this.autoCommit = autoCommit;
- }
-
- /**
- * gets the current auto-commit state
- *
- * @return Current state of the auto-commit mode
- * @exception SQLException (why?)
- * @see setAutoCommit
- */
- public boolean getAutoCommit() throws SQLException
- {
- return this.autoCommit;
- }
-
- /**
- * The method commit() makes all changes made since the previous
- * commit/rollback permanent and releases any database locks currently
- * held by the Connection. This method should only be used when
- * auto-commit has been disabled. (If autoCommit == true, then we
- * just return anyhow)
- *
- * @exception SQLException if a database access error occurs
- * @see setAutoCommit
- */
- public void commit() throws SQLException
- {
- if (autoCommit)
- return;
- ExecSQL("commit");
- autoCommit = true;
- ExecSQL("begin");
- autoCommit = false;
- }
-
- /**
- * The method rollback() drops all changes made since the previous
- * commit/rollback and releases any database locks currently held by
- * the Connection.
- *
- * @exception SQLException if a database access error occurs
- * @see commit
- */
- public void rollback() throws SQLException
- {
- if (autoCommit)
- return;
- ExecSQL("rollback");
- autoCommit = true;
- ExecSQL("begin");
- autoCommit = false;
- }
-
- /**
- * In some cases, it is desirable to immediately release a Connection's
- * database and JDBC resources instead of waiting for them to be
- * automatically released (cant think why off the top of my head)
- *
- * Note: A Connection is automatically closed when it is
- * garbage collected. Certain fatal errors also result in a closed
- * connection.
- *
- * @exception SQLException if a database access error occurs
- */
- public void close() throws SQLException
- {
- if (pg_stream != null)
- {
- try
- {
- pg_stream.close();
- } catch (IOException e) {}
- pg_stream = null;
- }
- }
-
- /**
- * Tests to see if a Connection is closed
- *
- * @return the status of the connection
- * @exception SQLException (why?)
- */
- public boolean isClosed() throws SQLException
- {
- return (pg_stream == null);
- }
-
- /**
- * A connection's database is able to provide information describing
- * its tables, its supported SQL grammar, its stored procedures, the
- * capabilities of this connection, etc. This information is made
- * available through a DatabaseMetaData object.
- *
- * @return a DatabaseMetaData object for this connection
- * @exception SQLException if a database access error occurs
- */
- public java.sql.DatabaseMetaData getMetaData() throws SQLException
- {
- if(metadata==null)
- metadata = new DatabaseMetaData(this);
- return metadata;
- }
-
- /**
- * You can put a connection in read-only mode as a hunt to enable
- * database optimizations
- *
- * Note: setReadOnly cannot be called while in the middle
- * of a transaction
- *
- * @param readOnly - true enables read-only mode; false disables it
- * @exception SQLException if a database access error occurs
- */
- public void setReadOnly (boolean readOnly) throws SQLException
- {
- this.readOnly = readOnly;
- }
-
- /**
- * Tests to see if the connection is in Read Only Mode. Note that
- * we cannot really put the database in read only mode, but we pretend
- * we can by returning the value of the readOnly flag
- *
- * @return true if the connection is read only
- * @exception SQLException if a database access error occurs
- */
- public boolean isReadOnly() throws SQLException
- {
- return readOnly;
- }
-
- /**
- * A sub-space of this Connection's database may be selected by
- * setting a catalog name. If the driver does not support catalogs,
- * it will silently ignore this request
- *
- * @exception SQLException if a database access error occurs
- */
- public void setCatalog(String catalog) throws SQLException
- {
- // No-op
- }
-
- /**
- * Return the connections current catalog name, or null if no
- * catalog name is set, or we dont support catalogs.
- *
- * @return the current catalog name or null
- * @exception SQLException if a database access error occurs
- */
- public String getCatalog() throws SQLException
- {
- return null;
- }
-
- /**
- * You can call this method to try to change the transaction
- * isolation level using one of the TRANSACTION_* values.
- *
- * Note: setTransactionIsolation cannot be called while
- * in the middle of a transaction
- *
- * @param level one of the TRANSACTION_* isolation values with
- * the exception of TRANSACTION_NONE; some databases may
- * not support other values
- * @exception SQLException if a database access error occurs
- * @see java.sql.DatabaseMetaData#supportsTransactionIsolationLevel
- */
- public void setTransactionIsolation(int level) throws SQLException
- {
- String q = "SET TRANSACTION ISOLATION LEVEL";
-
- switch(level) {
-
- case java.sql.Connection.TRANSACTION_READ_COMMITTED:
- ExecSQL(q + " READ COMMITTED");
- return;
-
- case java.sql.Connection.TRANSACTION_SERIALIZABLE:
- ExecSQL(q + " SERIALIZABLE");
- return;
-
- default:
- throw new PSQLException("postgresql.con.isolevel",new Integer(level));
- }
- }
-
- /**
- * Get this Connection's current transaction isolation mode.
- *
- * @return the current TRANSACTION_* mode value
- * @exception SQLException if a database access error occurs
- */
- public int getTransactionIsolation() throws SQLException
- {
- ExecSQL("show xactisolevel");
-
- SQLWarning w = getWarnings();
- if (w != null) {
- if (w.getMessage().indexOf("READ COMMITTED") != -1) return java.sql.Connection.TRANSACTION_READ_COMMITTED; else
- if (w.getMessage().indexOf("READ UNCOMMITTED") != -1) return java.sql.Connection.TRANSACTION_READ_UNCOMMITTED; else
- if (w.getMessage().indexOf("REPEATABLE READ") != -1) return java.sql.Connection.TRANSACTION_REPEATABLE_READ; else
- if (w.getMessage().indexOf("SERIALIZABLE") != -1) return java.sql.Connection.TRANSACTION_SERIALIZABLE;
- }
- return java.sql.Connection.TRANSACTION_READ_COMMITTED;
- }
-
- /**
- * The first warning reported by calls on this Connection is
- * returned.
- *
- * Note: Sebsequent warnings will be changed to this
- * SQLWarning
- *
- * @return the first SQLWarning or null
- * @exception SQLException if a database access error occurs
- */
- public SQLWarning getWarnings() throws SQLException
- {
- return firstWarning;
- }
-
- /**
- * After this call, getWarnings returns null until a new warning
- * is reported for this connection.
- *
- * @exception SQLException if a database access error occurs
- */
- public void clearWarnings() throws SQLException
- {
- firstWarning = null;
- }
-
- /**
- * This overides the method in postgresql.Connection and returns a
- * ResultSet.
- */
- protected java.sql.ResultSet getResultSet(postgresql.Connection conn, Field[] fields, Vector tuples, String status, int updateCount) throws SQLException
- {
- return new postgresql.jdbc2.ResultSet((postgresql.jdbc2.Connection)conn,fields,tuples,status,updateCount);
- }
-
- // *****************
- // JDBC 2 extensions
- // *****************
-
- public java.sql.Statement createStatement(int resultSetType,int resultSetConcurrency) throws SQLException
- {
- // normal create followed by 2 sets?
- throw postgresql.Driver.notImplemented();
- }
-
- public java.sql.PreparedStatement prepareStatement(String sql,int resultSetType,int resultSetConcurrency) throws SQLException
- {
- // normal prepare followed by 2 sets?
- throw postgresql.Driver.notImplemented();
- }
-
- public java.sql.CallableStatement prepareCall(String sql,int resultSetType,int resultSetConcurrency) throws SQLException
- {
- // normal prepare followed by 2 sets?
- throw postgresql.Driver.notImplemented();
- }
-
- public int getResultSetConcurrency() throws SQLException
- {
- throw postgresql.Driver.notImplemented();
- }
-
- public int getResultSetType() throws SQLException
- {
- throw postgresql.Driver.notImplemented();
- }
-
- public java.util.Map getTypeMap() throws SQLException
- {
- throw postgresql.Driver.notImplemented();
- }
-
- public void setResultSetConcurrency(int value) throws SQLException
- {
- throw postgresql.Driver.notImplemented();
- }
-
- public void setResultSetType(int type) throws SQLException
- {
- throw postgresql.Driver.notImplemented();
- }
-
- public void setTypeMap(java.util.Map map) throws SQLException
- {
- throw postgresql.Driver.notImplemented();
- }
-
-}
-
-// ***********************************************************************
-
+++ /dev/null
-package postgresql.jdbc2;
-
-// IMPORTANT NOTE: This file implements the JDBC 2 version of the driver.
-// If you make any modifications to this file, you must make sure that the
-// changes are also made (if relevent) to the related JDBC 1 class in the
-// postgresql.jdbc1 package.
-
-import java.sql.*;
-import java.util.*;
-import postgresql.Field;
-
-/**
- * This class provides information about the database as a whole.
- *
- *
Many of the methods here return lists of information in ResultSets. You
- * can use the normal ResultSet methods such as getString and getInt to
- * retrieve the data from these ResultSets. If a given form of metadata is
- * not available, these methods should throw a SQLException.
- *
- *
Some of these methods take arguments that are String patterns. These
- * arguments all have names such as fooPattern. Within a pattern String,
- * "%" means match any substring of 0 or more characters, and "_" means
- * match any one character. Only metadata entries matching the search
- * pattern are returned. if a search pattern argument is set to a null
- * ref, it means that argument's criteria should be dropped from the
- * search.
- *
- *
A SQLException will be throws if a driver does not support a meta
- * data method. In the case of methods that return a ResultSet, either
- * a ResultSet (which may be empty) is returned or a SQLException is
- * thrown.
- *
- * @see java.sql.DatabaseMetaData
- */
-public class DatabaseMetaData implements java.sql.DatabaseMetaData
-{
- Connection connection; // The connection association
-
- // These define various OID's. Hopefully they will stay constant.
- static final int iVarcharOid = 1043; // OID for varchar
- static final int iBoolOid = 16; // OID for bool
- static final int iInt2Oid = 21; // OID for int2
- static final int iInt4Oid = 23; // OID for int4
- static final int VARHDRSZ = 4; // length for int4
-
- // This is a default value for remarks
- private static final byte defaultRemarks[]="no remarks".getBytes();
-
- public DatabaseMetaData(Connection conn)
- {
- this.connection = conn;
- }
-
- /**
- * Can all the procedures returned by getProcedures be called
- * by the current user?
- *
- * @return true if so
- * @exception SQLException if a database access error occurs
- */
- public boolean allProceduresAreCallable() throws SQLException
- {
- return true; // For now...
- }
-
- /**
- * Can all the tables returned by getTable be SELECTed by
- * the current user?
- *
- * @return true if so
- * @exception SQLException if a database access error occurs
- */
- public boolean allTablesAreSelectable() throws SQLException
- {
- return true; // For now...
- }
-
- /**
- * What is the URL for this database?
- *
- * @return the url or null if it cannott be generated
- * @exception SQLException if a database access error occurs
- */
- public String getURL() throws SQLException
- {
- return connection.getURL();
- }
-
- /**
- * What is our user name as known to the database?
- *
- * @return our database user name
- * @exception SQLException if a database access error occurs
- */
- public String getUserName() throws SQLException
- {
- return connection.getUserName();
- }
-
- /**
- * Is the database in read-only mode?
- *
- * @return true if so
- * @exception SQLException if a database access error occurs
- */
- public boolean isReadOnly() throws SQLException
- {
- return connection.isReadOnly();
- }
-
- /**
- * Are NULL values sorted high?
- *
- * @return true if so
- * @exception SQLException if a database access error occurs
- */
- public boolean nullsAreSortedHigh() throws SQLException
- {
- return false;
- }
-
- /**
- * Are NULL values sorted low?
- *
- * @return true if so
- * @exception SQLException if a database access error occurs
- */
- public boolean nullsAreSortedLow() throws SQLException
- {
- return false;
- }
-
- /**
- * Are NULL values sorted at the start regardless of sort order?
- *
- * @return true if so
- * @exception SQLException if a database access error occurs
- */
- public boolean nullsAreSortedAtStart() throws SQLException
- {
- return false;
- }
-
- /**
- * Are NULL values sorted at the end regardless of sort order?
- *
- * @return true if so
- * @exception SQLException if a database access error occurs
- */
- public boolean nullsAreSortedAtEnd() throws SQLException
- {
- return true;
- }
-
- /**
- * What is the name of this database product - we hope that it is
- * PostgreSQL, so we return that explicitly.
- *
- * @return the database product name
- * @exception SQLException if a database access error occurs
- */
- public String getDatabaseProductName() throws SQLException
- {
- return new String("PostgreSQL");
- }
-
- /**
- * What is the version of this database product.
- *
- *
Note that PostgreSQL 6.3 has a system catalog called pg_version -
- * however, select * from pg_version on any database retrieves
- * no rows.
- *
- *
For now, we will return the version 6.3 (in the hope that we change
- * this driver as often as we change the database)
- *
- * @return the database version
- * @exception SQLException if a database access error occurs
- */
- public String getDatabaseProductVersion() throws SQLException
- {
- return ("7.1");
- }
-
- /**
- * What is the name of this JDBC driver? If we don't know this
- * we are doing something wrong!
- *
- * @return the JDBC driver name
- * @exception SQLException why?
- */
- public String getDriverName() throws SQLException
- {
- return new String("PostgreSQL Native Driver");
- }
-
- /**
- * What is the version string of this JDBC driver? Again, this is
- * static.
- *
- * @return the JDBC driver name.
- * @exception SQLException why?
- */
- public String getDriverVersion() throws SQLException
- {
- return new String(Integer.toString(connection.this_driver.getMajorVersion())+"."+Integer.toString(connection.this_driver.getMinorVersion()));
- }
-
- /**
- * What is this JDBC driver's major version number?
- *
- * @return the JDBC driver major version
- */
- public int getDriverMajorVersion()
- {
- return connection.this_driver.getMajorVersion();
- }
-
- /**
- * What is this JDBC driver's minor version number?
- *
- * @return the JDBC driver minor version
- */
- public int getDriverMinorVersion()
- {
- return connection.this_driver.getMinorVersion();
- }
-
- /**
- * Does the database store tables in a local file? No - it
- * stores them in a file on the server.
- *
- * @return true if so
- * @exception SQLException if a database access error occurs
- */
- public boolean usesLocalFiles() throws SQLException
- {
- return false;
- }
-
- /**
- * Does the database use a file for each table? Well, not really,
- * since it doesnt use local files.
- *
- * @return true if so
- * @exception SQLException if a database access error occurs
- */
- public boolean usesLocalFilePerTable() throws SQLException
- {
- return false;
- }
-
- /**
- * Does the database treat mixed case unquoted SQL identifiers
- * as case sensitive and as a result store them in mixed case?
- * A JDBC-Compliant driver will always return false.
- *
- *
Predicament - what do they mean by "SQL identifiers" - if it
- * means the names of the tables and columns, then the answers
- * given below are correct - otherwise I don't know.
- *
- * @return true if so
- * @exception SQLException if a database access error occurs
- */
- public boolean supportsMixedCaseIdentifiers() throws SQLException
- {
- return false;
- }
-
- /**
- * Does the database treat mixed case unquoted SQL identifiers as
- * case insensitive and store them in upper case?
- *
- * @return true if so
- */
- public boolean storesUpperCaseIdentifiers() throws SQLException
- {
- return false;
- }
-
- /**
- * Does the database treat mixed case unquoted SQL identifiers as
- * case insensitive and store them in lower case?
- *
- * @return true if so
- */
- public boolean storesLowerCaseIdentifiers() throws SQLException
- {
- return true;
- }
-
- /**
- * Does the database treat mixed case unquoted SQL identifiers as
- * case insensitive and store them in mixed case?
- *
- * @return true if so
- */
- public boolean storesMixedCaseIdentifiers() throws SQLException
- {
- return false;
- }
-
- /**
- * Does the database treat mixed case quoted SQL identifiers as
- * case sensitive and as a result store them in mixed case? A
- * JDBC compliant driver will always return true.
- *
- *
Predicament - what do they mean by "SQL identifiers" - if it
- * means the names of the tables and columns, then the answers
- * given below are correct - otherwise I don't know.
- *
- * @return true if so
- * @exception SQLException if a database access error occurs
- */
- public boolean supportsMixedCaseQuotedIdentifiers() throws SQLException
- {
- return true;
- }
-
- /**
- * Does the database treat mixed case quoted SQL identifiers as
- * case insensitive and store them in upper case?
- *
- * @return true if so
- */
- public boolean storesUpperCaseQuotedIdentifiers() throws SQLException
- {
- return false;
- }
-
- /**
- * Does the database treat mixed case quoted SQL identifiers as case
- * insensitive and store them in lower case?
- *
- * @return true if so
- */
- public boolean storesLowerCaseQuotedIdentifiers() throws SQLException
- {
- return false;
- }
-
- /**
- * Does the database treat mixed case quoted SQL identifiers as case
- * insensitive and store them in mixed case?
- *
- * @return true if so
- */
- public boolean storesMixedCaseQuotedIdentifiers() throws SQLException
- {
- return false;
- }
-
- /**
- * What is the string used to quote SQL identifiers? This returns
- * a space if identifier quoting isn't supported. A JDBC Compliant
- * driver will always use a double quote character.
- *
- *
If an SQL identifier is a table name, column name, etc. then
- * we do not support it.
- *
- * @return the quoting string
- * @exception SQLException if a database access error occurs
- */
- public String getIdentifierQuoteString() throws SQLException
- {
- return null;
- }
-
- /**
- * Get a comma separated list of all a database's SQL keywords that
- * are NOT also SQL92 keywords.
- *
- *
Within PostgreSQL, the keywords are found in
- * src/backend/parser/keywords.c
- *
- *
For SQL Keywords, I took the list provided at
- * http://web.dementia.org/~shadow/sql/sql3bnf.sep93.txt
- * which is for SQL3, not SQL-92, but it is close enough for
- * this purpose.
- *
- * @return a comma separated list of keywords we use
- * @exception SQLException if a database access error occurs
- */
- public String getSQLKeywords() throws SQLException
- {
- return new String("abort,acl,add,aggregate,append,archive,arch_store,backward,binary,change,cluster,copy,database,delimiters,do,extend,explain,forward,heavy,index,inherits,isnull,light,listen,load,merge,nothing,notify,notnull,oids,purge,rename,replace,retrieve,returns,rule,recipe,setof,stdin,stdout,store,vacuum,verbose,version");
- }
-
- public String getNumericFunctions() throws SQLException
- {
- // XXX-Not Implemented
- return "";
- }
-
- public String getStringFunctions() throws SQLException
- {
- // XXX-Not Implemented
- return "";
- }
-
- public String getSystemFunctions() throws SQLException
- {
- // XXX-Not Implemented
- return "";
- }
-
- public String getTimeDateFunctions() throws SQLException
- {
- // XXX-Not Implemented
- return "";
- }
-
- /**
- * This is the string that can be used to escape '_' and '%' in
- * a search string pattern style catalog search parameters
- *
- * @return the string used to escape wildcard characters
- * @exception SQLException if a database access error occurs
- */
- public String getSearchStringEscape() throws SQLException
- {
- return new String("\\");
- }
-
- /**
- * Get all the "extra" characters that can bew used in unquoted
- * identifier names (those beyond a-zA-Z0-9 and _)
- *
- *
From the file src/backend/parser/scan.l, an identifier is
- * {letter}{letter_or_digit} which makes it just those listed
- * above.
- *
- * @return a string containing the extra characters
- * @exception SQLException if a database access error occurs
- */
- public String getExtraNameCharacters() throws SQLException
- {
- return new String("");
- }
-
- /**
- * Is "ALTER TABLE" with an add column supported?
- * Yes for PostgreSQL 6.1
- *
- * @return true if so
- * @exception SQLException if a database access error occurs
- */
- public boolean supportsAlterTableWithAddColumn() throws SQLException
- {
- return true;
- }
-
- /**
- * Is "ALTER TABLE" with a drop column supported?
- * Yes for PostgreSQL 6.1
- *
- * @return true if so
- * @exception SQLException if a database access error occurs
- */
- public boolean supportsAlterTableWithDropColumn() throws SQLException
- {
- return true;
- }
-
- /**
- * Is column aliasing supported?
- *
- *
If so, the SQL AS clause can be used to provide names for
- * computed columns or to provide alias names for columns as
- * required. A JDBC Compliant driver always returns true.
- *
- *
- * select count(C) as C_COUNT from T group by C;
- *
- *
- * should return a column named as C_COUNT instead of count(C)
- *
- * @return true if so
- * @exception SQLException if a database access error occurs
- */
- public boolean supportsColumnAliasing() throws SQLException
- {
- return true;
- }
-
- /**
- * Are concatenations between NULL and non-NULL values NULL? A
- * JDBC Compliant driver always returns true
- *
- * @return true if so
- * @exception SQLException if a database access error occurs
- */
- public boolean nullPlusNonNullIsNull() throws SQLException
- {
- return true;
- }
-
- public boolean supportsConvert() throws SQLException
- {
- // XXX-Not Implemented
- return false;
- }
-
- public boolean supportsConvert(int fromType, int toType) throws SQLException
- {
- // XXX-Not Implemented
- return false;
- }
-
- public boolean supportsTableCorrelationNames() throws SQLException
- {
- // XXX-Not Implemented
- return false;
- }
-
- public boolean supportsDifferentTableCorrelationNames() throws SQLException
- {
- // XXX-Not Implemented
- return false;
- }
-
- /**
- * Are expressions in "ORCER BY" lists supported?
- *
- *
e.g. select * from t order by a + b;
- *
- * @return true if so
- * @exception SQLException if a database access error occurs
- */
- public boolean supportsExpressionsInOrderBy() throws SQLException
- {
- return true;
- }
-
- /**
- * Can an "ORDER BY" clause use columns not in the SELECT?
- * I checked it, and you can't.
- *
- * @return true if so
- * @exception SQLException if a database access error occurs
- */
- public boolean supportsOrderByUnrelated() throws SQLException
- {
- return false;
- }
-
- /**
- * Is some form of "GROUP BY" clause supported?
- * I checked it, and yes it is.
- *
- * @return true if so
- * @exception SQLException if a database access error occurs
- */
- public boolean supportsGroupBy() throws SQLException
- {
- return true;
- }
-
- /**
- * Can a "GROUP BY" clause use columns not in the SELECT?
- * I checked it - it seems to allow it
- *
- * @return true if so
- * @exception SQLException if a database access error occurs
- */
- public boolean supportsGroupByUnrelated() throws SQLException
- {
- return true;
- }
-
- /**
- * Can a "GROUP BY" clause add columns not in the SELECT provided
- * it specifies all the columns in the SELECT? Does anyone actually
- * understand what they mean here?
- *
- * @return true if so
- * @exception SQLException if a database access error occurs
- */
- public boolean supportsGroupByBeyondSelect() throws SQLException
- {
- return true; // For now...
- }
-
- /**
- * Is the escape character in "LIKE" clauses supported? A
- * JDBC compliant driver always returns true.
- *
- * @return true if so
- * @exception SQLException if a database access error occurs
- */
- public boolean supportsLikeEscapeClause() throws SQLException
- {
- return true;
- }
-
- /**
- * Are multiple ResultSets from a single execute supported?
- * Well, I implemented it, but I dont think this is possible from
- * the back ends point of view.
- *
- * @return true if so
- * @exception SQLException if a database access error occurs
- */
- public boolean supportsMultipleResultSets() throws SQLException
- {
- return false;
- }
-
- /**
- * Can we have multiple transactions open at once (on different
- * connections?)
- * I guess we can have, since Im relying on it.
- *
- * @return true if so
- * @exception SQLException if a database access error occurs
- */
- public boolean supportsMultipleTransactions() throws SQLException
- {
- return true;
- }
-
- /**
- * Can columns be defined as non-nullable. A JDBC Compliant driver
- * always returns true.
- *
- *
This changed from false to true in v6.2 of the driver, as this
- * support was added to the backend.
- *
- * @return true if so
- * @exception SQLException if a database access error occurs
- */
- public boolean supportsNonNullableColumns() throws SQLException
- {
- return true;
- }
-
- /**
- * Does this driver support the minimum ODBC SQL grammar. This
- * grammar is defined at:
- *
- *
http://www.microsoft.com/msdn/sdk/platforms/doc/odbc/src/intropr.htm
- *
- *
In Appendix C. From this description, we seem to support the
- * ODBC minimal (Level 0) grammar.
- *
- * @return true if so
- * @exception SQLException if a database access error occurs
- */
- public boolean supportsMinimumSQLGrammar() throws SQLException
- {
- return true;
- }
-
- /**
- * Does this driver support the Core ODBC SQL grammar. We need
- * SQL-92 conformance for this.
- *
- * @return true if so
- * @exception SQLException if a database access error occurs
- */
- public boolean supportsCoreSQLGrammar() throws SQLException
- {
- return false;
- }
-
- /**
- * Does this driver support the Extended (Level 2) ODBC SQL
- * grammar. We don't conform to the Core (Level 1), so we can't
- * conform to the Extended SQL Grammar.
- *
- * @return true if so
- * @exception SQLException if a database access error occurs
- */
- public boolean supportsExtendedSQLGrammar() throws SQLException
- {
- return false;
- }
-
- /**
- * Does this driver support the ANSI-92 entry level SQL grammar?
- * All JDBC Compliant drivers must return true. I think we have
- * to support outer joins for this to be true.
- *
- * @return true if so
- * @exception SQLException if a database access error occurs
- */
- public boolean supportsANSI92EntryLevelSQL() throws SQLException
- {
- return false;
- }
-
- /**
- * Does this driver support the ANSI-92 intermediate level SQL
- * grammar? Anyone who does not support Entry level cannot support
- * Intermediate level.
- *
- * @return true if so
- * @exception SQLException if a database access error occurs
- */
- public boolean supportsANSI92IntermediateSQL() throws SQLException
- {
- return false;
- }
-
- /**
- * Does this driver support the ANSI-92 full SQL grammar?
- *
- * @return true if so
- * @exception SQLException if a database access error occurs
- */
- public boolean supportsANSI92FullSQL() throws SQLException
- {
- return false;
- }
-
- /**
- * Is the SQL Integrity Enhancement Facility supported?
- * I haven't seen this mentioned anywhere, so I guess not
- *
- * @return true if so
- * @exception SQLException if a database access error occurs
- */
- public boolean supportsIntegrityEnhancementFacility() throws SQLException
- {
- return false;
- }
-
- /**
- * Is some form of outer join supported? From my knowledge, nope.
- *
- * @return true if so
- * @exception SQLException if a database access error occurs
- */
- public boolean supportsOuterJoins() throws SQLException
- {
- return false;
- }
-
- /**
- * Are full nexted outer joins supported? Well, we dont support any
- * form of outer join, so this is no as well
- *
- * @return true if so
- * @exception SQLException if a database access error occurs
- */
- public boolean supportsFullOuterJoins() throws SQLException
- {
- return false;
- }
-
- /**
- * Is there limited support for outer joins? (This will be true if
- * supportFullOuterJoins is true)
- *
- * @return true if so
- * @exception SQLException if a database access error occurs
- */
- public boolean supportsLimitedOuterJoins() throws SQLException
- {
- return false;
- }
-
- /**
- * What is the database vendor's preferred term for "schema" - well,
- * we do not provide support for schemas, so lets just use that
- * term.
- *
- * @return the vendor term
- * @exception SQLException if a database access error occurs
- */
- public String getSchemaTerm() throws SQLException
- {
- return new String("Schema");
- }
-
- /**
- * What is the database vendor's preferred term for "procedure" -
- * I kind of like "Procedure" myself.
- *
- * @return the vendor term
- * @exception SQLException if a database access error occurs
- */
- public String getProcedureTerm() throws SQLException
- {
- return new String("Procedure");
- }
-
- /**
- * What is the database vendor's preferred term for "catalog"? -
- * we dont have a preferred term, so just use Catalog
- *
- * @return the vendor term
- * @exception SQLException if a database access error occurs
- */
- public String getCatalogTerm() throws SQLException
- {
- return new String("Catalog");
- }
-
- /**
- * Does a catalog appear at the start of a qualified table name?
- * (Otherwise it appears at the end).
- *
- * @return true if so
- * @exception SQLException if a database access error occurs
- */
- public boolean isCatalogAtStart() throws SQLException
- {
- return false;
- }
-
- /**
- * What is the Catalog separator. Hmmm....well, I kind of like
- * a period (so we get catalog.table definitions). - I don't think
- * PostgreSQL supports catalogs anyhow, so it makes no difference.
- *
- * @return the catalog separator string
- * @exception SQLException if a database access error occurs
- */
- public String getCatalogSeparator() throws SQLException
- {
- // PM Sep 29 97 - changed from "." as we don't support catalogs.
- return new String("");
- }
-
- /**
- * Can a schema name be used in a data manipulation statement? Nope.
- *
- * @return true if so
- * @exception SQLException if a database access error occurs
- */
- public boolean supportsSchemasInDataManipulation() throws SQLException
- {
- return false;
- }
-
- /**
- * Can a schema name be used in a procedure call statement? Nope.
- *
- * @return true if so
- * @exception SQLException if a database access error occurs
- */
- public boolean supportsSchemasInProcedureCalls() throws SQLException
- {
- return false;
- }
-
- /**
- * Can a schema be used in a table definition statement? Nope.
- *
- * @return true if so
- * @exception SQLException if a database access error occurs
- */
- public boolean supportsSchemasInTableDefinitions() throws SQLException
- {
- return false;
- }
-
- /**
- * Can a schema name be used in an index definition statement?
- *
- * @return true if so
- * @exception SQLException if a database access error occurs
- */
- public boolean supportsSchemasInIndexDefinitions() throws SQLException
- {
- return false;
- }
-
- /**
- * Can a schema name be used in a privilege definition statement?
- *
- * @return true if so
- * @exception SQLException if a database access error occurs
- */
- public boolean supportsSchemasInPrivilegeDefinitions() throws SQLException
- {
- return false;
- }
-
- /**
- * Can a catalog name be used in a data manipulation statement?
- *
- * @return true if so
- * @exception SQLException if a database access error occurs
- */
- public boolean supportsCatalogsInDataManipulation() throws SQLException
- {
- return false;
- }
-
- /**
- * Can a catalog name be used in a procedure call statement?
- *
- * @return true if so
- * @exception SQLException if a database access error occurs
- */
- public boolean supportsCatalogsInProcedureCalls() throws SQLException
- {
- return false;
- }
-
- /**
- * Can a catalog name be used in a table definition statement?
- *
- * @return true if so
- * @exception SQLException if a database access error occurs
- */
- public boolean supportsCatalogsInTableDefinitions() throws SQLException
- {
- return false;
- }
-
- /**
- * Can a catalog name be used in an index definition?
- *
- * @return true if so
- * @exception SQLException if a database access error occurs
- */
- public boolean supportsCatalogsInIndexDefinitions() throws SQLException
- {
- return false;
- }
-
- /**
- * Can a catalog name be used in a privilege definition statement?
- *
- * @return true if so
- * @exception SQLException if a database access error occurs
- */
- public boolean supportsCatalogsInPrivilegeDefinitions() throws SQLException
- {
- return false;
- }
-
- /**
- * We support cursors for gets only it seems. I dont see a method
- * to get a positioned delete.
- *
- * @return true if so
- * @exception SQLException if a database access error occurs
- */
- public boolean supportsPositionedDelete() throws SQLException
- {
- return false; // For now...
- }
-
- /**
- * Is positioned UPDATE supported?
- *
- * @return true if so
- * @exception SQLException if a database access error occurs
- */
- public boolean supportsPositionedUpdate() throws SQLException
- {
- return false; // For now...
- }
-
- public boolean supportsSelectForUpdate() throws SQLException
- {
- // XXX-Not Implemented
- return false;
- }
-
- public boolean supportsStoredProcedures() throws SQLException
- {
- // XXX-Not Implemented
- return false;
- }
-
- public boolean supportsSubqueriesInComparisons() throws SQLException
- {
- // XXX-Not Implemented
- return false;
- }
-
- public boolean supportsSubqueriesInExists() throws SQLException
- {
- // XXX-Not Implemented
- return false;
- }
-
- public boolean supportsSubqueriesInIns() throws SQLException
- {
- // XXX-Not Implemented
- return false;
- }
-
- public boolean supportsSubqueriesInQuantifieds() throws SQLException
- {
- // XXX-Not Implemented
- return false;
- }
-
- public boolean supportsCorrelatedSubqueries() throws SQLException
- {
- // XXX-Not Implemented
- return false;
- }
-
- /**
- * Is SQL UNION supported? Nope.
- *
- * @return true if so
- * @exception SQLException if a database access error occurs
- */
- public boolean supportsUnion() throws SQLException
- {
- return false;
- }
-
- /**
- * Is SQL UNION ALL supported? Nope.
- *
- * @return true if so
- * @exception SQLException if a database access error occurs
- */
- public boolean supportsUnionAll() throws SQLException
- {
- return false;
- }
-
- /**
- * In PostgreSQL, Cursors are only open within transactions.
- *
- * @return true if so
- * @exception SQLException if a database access error occurs
- */
- public boolean supportsOpenCursorsAcrossCommit() throws SQLException
- {
- return false;
- }
-
- /**
- * Do we support open cursors across multiple transactions?
- *
- * @return true if so
- * @exception SQLException if a database access error occurs
- */
- public boolean supportsOpenCursorsAcrossRollback() throws SQLException
- {
- return false;
- }
-
- /**
- * Can statements remain open across commits? They may, but
- * this driver cannot guarentee that. In further reflection.
- * we are talking a Statement object jere, so the answer is
- * yes, since the Statement is only a vehicle to ExecSQL()
- *
- * @return true if they always remain open; false otherwise
- * @exception SQLException if a database access error occurs
- */
- public boolean supportsOpenStatementsAcrossCommit() throws SQLException
- {
- return true;
- }
-
- /**
- * Can statements remain open across rollbacks? They may, but
- * this driver cannot guarentee that. In further contemplation,
- * we are talking a Statement object here, so the answer is yes,
- * since the Statement is only a vehicle to ExecSQL() in Connection
- *
- * @return true if they always remain open; false otherwise
- * @exception SQLException if a database access error occurs
- */
- public boolean supportsOpenStatementsAcrossRollback() throws SQLException
- {
- return true;
- }
-
- /**
- * How many hex characters can you have in an inline binary literal
- *
- * @return the max literal length
- * @exception SQLException if a database access error occurs
- */
- public int getMaxBinaryLiteralLength() throws SQLException
- {
- return 0; // For now...
- }
-
- /**
- * What is the maximum length for a character literal
- * I suppose it is 8190 (8192 - 2 for the quotes)
- *
- * @return the max literal length
- * @exception SQLException if a database access error occurs
- */
- public int getMaxCharLiteralLength() throws SQLException
- {
- return 8190;
- }
-
- /**
- * Whats the limit on column name length. The description of
- * pg_class would say '32' (length of pg_class.relname) - we
- * should probably do a query for this....but....
- *
- * @return the maximum column name length
- * @exception SQLException if a database access error occurs
- */
- public int getMaxColumnNameLength() throws SQLException
- {
- return 32;
- }
-
- /**
- * What is the maximum number of columns in a "GROUP BY" clause?
- *
- * @return the max number of columns
- * @exception SQLException if a database access error occurs
- */
- public int getMaxColumnsInGroupBy() throws SQLException
- {
- return getMaxColumnsInTable();
- }
-
- /**
- * What's the maximum number of columns allowed in an index?
- * 6.0 only allowed one column, but 6.1 introduced multi-column
- * indices, so, theoretically, its all of them.
- *
- * @return max number of columns
- * @exception SQLException if a database access error occurs
- */
- public int getMaxColumnsInIndex() throws SQLException
- {
- return getMaxColumnsInTable();
- }
-
- /**
- * What's the maximum number of columns in an "ORDER BY clause?
- * Theoretically, all of them!
- *
- * @return the max columns
- * @exception SQLException if a database access error occurs
- */
- public int getMaxColumnsInOrderBy() throws SQLException
- {
- return getMaxColumnsInTable();
- }
-
- /**
- * What is the maximum number of columns in a "SELECT" list?
- * Theoretically, all of them!
- *
- * @return the max columns
- * @exception SQLException if a database access error occurs
- */
- public int getMaxColumnsInSelect() throws SQLException
- {
- return getMaxColumnsInTable();
- }
-
- /**
- * What is the maximum number of columns in a table? From the
- * create_table(l) manual page...
- *
- *
"The new class is created as a heap with no initial data. A
- * class can have no more than 1600 attributes (realistically,
- * this is limited by the fact that tuple sizes must be less than
- * 8192 bytes)..."
- *
- * @return the max columns
- * @exception SQLException if a database access error occurs
- */
- public int getMaxColumnsInTable() throws SQLException
- {
- return 1600;
- }
-
- /**
- * How many active connection can we have at a time to this
- * database? Well, since it depends on postmaster, which just
- * does a listen() followed by an accept() and fork(), its
- * basically very high. Unless the system runs out of processes,
- * it can be 65535 (the number of aux. ports on a TCP/IP system).
- * I will return 8192 since that is what even the largest system
- * can realistically handle,
- *
- * @return the maximum number of connections
- * @exception SQLException if a database access error occurs
- */
- public int getMaxConnections() throws SQLException
- {
- return 8192;
- }
-
- /**
- * What is the maximum cursor name length (the same as all
- * the other F***** identifiers!)
- *
- * @return max cursor name length in bytes
- * @exception SQLException if a database access error occurs
- */
- public int getMaxCursorNameLength() throws SQLException
- {
- return 32;
- }
-
- /**
- * What is the maximum length of an index (in bytes)? Now, does
- * the spec. mean name of an index (in which case its 32, the
- * same as a table) or does it mean length of an index element
- * (in which case its 8192, the size of a row) or does it mean
- * the number of rows it can access (in which case it 2^32 -
- * a 4 byte OID number)? I think its the length of an index
- * element, personally, so Im setting it to 8192.
- *
- * @return max index length in bytes
- * @exception SQLException if a database access error occurs
- */
- public int getMaxIndexLength() throws SQLException
- {
- return 8192;
- }
-
- public int getMaxSchemaNameLength() throws SQLException
- {
- // XXX-Not Implemented
- return 0;
- }
-
- /**
- * What is the maximum length of a procedure name?
- * (length of pg_proc.proname used) - again, I really
- * should do a query here to get it.
- *
- * @return the max name length in bytes
- * @exception SQLException if a database access error occurs
- */
- public int getMaxProcedureNameLength() throws SQLException
- {
- return 32;
- }
-
- public int getMaxCatalogNameLength() throws SQLException
- {
- // XXX-Not Implemented
- return 0;
- }
-
- /**
- * What is the maximum length of a single row? (not including
- * blobs). 8192 is defined in PostgreSQL.
- *
- * @return max row size in bytes
- * @exception SQLException if a database access error occurs
- */
- public int getMaxRowSize() throws SQLException
- {
- return 8192;
- }
-
- /**
- * Did getMaxRowSize() include LONGVARCHAR and LONGVARBINARY
- * blobs? We don't handle blobs yet
- *
- * @return true if so
- * @exception SQLException if a database access error occurs
- */
- public boolean doesMaxRowSizeIncludeBlobs() throws SQLException
- {
- return false;
- }
-
- /**
- * What is the maximum length of a SQL statement?
- *
- * @return max length in bytes
- * @exception SQLException if a database access error occurs
- */
- public int getMaxStatementLength() throws SQLException
- {
- return 8192;
- }
-
- /**
- * How many active statements can we have open at one time to
- * this database? Basically, since each Statement downloads
- * the results as the query is executed, we can have many. However,
- * we can only really have one statement per connection going
- * at once (since they are executed serially) - so we return
- * one.
- *
- * @return the maximum
- * @exception SQLException if a database access error occurs
- */
- public int getMaxStatements() throws SQLException
- {
- return 1;
- }
-
- /**
- * What is the maximum length of a table name? This was found
- * from pg_class.relname length
- *
- * @return max name length in bytes
- * @exception SQLException if a database access error occurs
- */
- public int getMaxTableNameLength() throws SQLException
- {
- return 32;
- }
-
- /**
- * What is the maximum number of tables that can be specified
- * in a SELECT? Theoretically, this is the same number as the
- * number of tables allowable. In practice tho, it is much smaller
- * since the number of tables is limited by the statement, we
- * return 1024 here - this is just a number I came up with (being
- * the number of tables roughly of three characters each that you
- * can fit inside a 8192 character buffer with comma separators).
- *
- * @return the maximum
- * @exception SQLException if a database access error occurs
- */
- public int getMaxTablesInSelect() throws SQLException
- {
- return 1024;
- }
-
- /**
- * What is the maximum length of a user name? Well, we generally
- * use UNIX like user names in PostgreSQL, so I think this would
- * be 8. However, showing the schema for pg_user shows a length
- * for username of 32.
- *
- * @return the max name length in bytes
- * @exception SQLException if a database access error occurs
- */
- public int getMaxUserNameLength() throws SQLException
- {
- return 32;
- }
-
-
- /**
- * What is the database's default transaction isolation level? We
- * do not support this, so all transactions are SERIALIZABLE.
- *
- * @return the default isolation level
- * @exception SQLException if a database access error occurs
- * @see Connection
- */
- public int getDefaultTransactionIsolation() throws SQLException
- {
- return Connection.TRANSACTION_READ_COMMITTED;
- }
-
- /**
- * Are transactions supported? If not, commit and rollback are noops
- * and the isolation level is TRANSACTION_NONE. We do support
- * transactions.
- *
- * @return true if transactions are supported
- * @exception SQLException if a database access error occurs
- */
- public boolean supportsTransactions() throws SQLException
- {
- return true;
- }
-
- /**
- * Does the database support the given transaction isolation level?
- * We only support TRANSACTION_SERIALIZABLE and TRANSACTION_READ_COMMITTED
- *
- * @param level the values are defined in java.sql.Connection
- * @return true if so
- * @exception SQLException if a database access error occurs
- * @see Connection
- */
- public boolean supportsTransactionIsolationLevel(int level) throws SQLException
- {
- if (level == Connection.TRANSACTION_SERIALIZABLE ||
- level == Connection.TRANSACTION_READ_COMMITTED)
- return true;
- else
- return false;
- }
-
- /**
- * Are both data definition and data manipulation transactions
- * supported? I checked it, and could not do a CREATE TABLE
- * within a transaction, so I am assuming that we don't
- *
- * @return true if so
- * @exception SQLException if a database access error occurs
- */
- public boolean supportsDataDefinitionAndDataManipulationTransactions() throws SQLException
- {
- return false;
- }
-
- /**
- * Are only data manipulation statements withing a transaction
- * supported?
- *
- * @return true if so
- * @exception SQLException if a database access error occurs
- */
- public boolean supportsDataManipulationTransactionsOnly() throws SQLException
- {
- return true;
- }
-
- /**
- * Does a data definition statement within a transaction force
- * the transaction to commit? I think this means something like:
- *
- * CREATE TABLE T (A INT);
- * INSERT INTO T (A) VALUES (2);
- * BEGIN;
- * UPDATE T SET A = A + 1;
- * CREATE TABLE X (A INT);
- * SELECT A FROM T INTO X;
- * COMMIT;
- *
- * does the CREATE TABLE call cause a commit? The answer is no.
- *
- * @return true if so
- * @exception SQLException if a database access error occurs
- */
- public boolean dataDefinitionCausesTransactionCommit() throws SQLException
- {
- return false;
- }
-
- /**
- * Is a data definition statement within a transaction ignored?
- * It seems to be (from experiment in previous method)
- *
- * @return true if so
- * @exception SQLException if a database access error occurs
- */
- public boolean dataDefinitionIgnoredInTransactions() throws SQLException
- {
- return true;
- }
-
- /**
- * Get a description of stored procedures available in a catalog
- *
- *
Only procedure descriptions matching the schema and procedure
- * name criteria are returned. They are ordered by PROCEDURE_SCHEM
- * and PROCEDURE_NAME
- *
- *
Each procedure description has the following columns:
- *
PROCEDURE_CAT String => procedure catalog (may be null)
- *
PROCEDURE_SCHEM String => procedure schema (may be null)
- *
PROCEDURE_NAME String => procedure name
- *
Field 4 reserved (make it null)
- *
Field 5 reserved (make it null)
- *
Field 6 reserved (make it null)
- *
REMARKS String => explanatory comment on the procedure
- *
PROCEDURE_TYPE short => kind of procedure
- *
procedureResultUnknown - May return a result
- *
procedureNoResult - Does not return a result
- *
procedureReturnsResult - Returns a result
- *
- *
- *
- * @param catalog - a catalog name; "" retrieves those without a
- * catalog; null means drop catalog name from criteria
- * @param schemaParrern - a schema name pattern; "" retrieves those
- * without a schema - we ignore this parameter
- * @param procedureNamePattern - a procedure name pattern
- * @return ResultSet - each row is a procedure description
- * @exception SQLException if a database access error occurs
- */
- public java.sql.ResultSet getProcedures(String catalog, String schemaPattern, String procedureNamePattern) throws SQLException
- {
- // the field descriptors for the new ResultSet
- Field f[] = new Field[8];
- java.sql.ResultSet r; // ResultSet for the SQL query that we need to do
- Vector v = new Vector(); // The new ResultSet tuple stuff
-
- byte remarks[] = defaultRemarks;
-
- f[0] = new Field(connection, "PROCEDURE_CAT", iVarcharOid, 32);
- f[1] = new Field(connection, "PROCEDURE_SCHEM", iVarcharOid, 32);
- f[2] = new Field(connection, "PROCEDURE_NAME", iVarcharOid, 32);
- f[3] = f[4] = f[5] = null; // reserved, must be null for now
- f[6] = new Field(connection, "REMARKS", iVarcharOid, 8192);
- f[7] = new Field(connection, "PROCEDURE_TYPE", iInt2Oid, 2);
-
- // If the pattern is null, then set it to the default
- if(procedureNamePattern==null)
- procedureNamePattern="%";
-
- r = connection.ExecSQL("select proname, proretset from pg_proc where proname like '"+procedureNamePattern.toLowerCase()+"' order by proname");
-
- while (r.next())
- {
- byte[][] tuple = new byte[8][0];
-
- tuple[0] = null; // Catalog name
- tuple[1] = null; // Schema name
- tuple[2] = r.getBytes(1); // Procedure name
- tuple[3] = tuple[4] = tuple[5] = null; // Reserved
- tuple[6] = remarks; // Remarks
-
- if (r.getBoolean(2))
- tuple[7] = Integer.toString(java.sql.DatabaseMetaData.procedureReturnsResult).getBytes();
- else
- tuple[7] = Integer.toString(java.sql.DatabaseMetaData.procedureNoResult).getBytes();
-
- v.addElement(tuple);
- }
- return new ResultSet(connection, f, v, "OK", 1);
- }
-
- /**
- * Get a description of a catalog's stored procedure parameters
- * and result columns.
- *
- *
Only descriptions matching the schema, procedure and parameter
- * name criteria are returned. They are ordered by PROCEDURE_SCHEM
- * and PROCEDURE_NAME. Within this, the return value, if any, is
- * first. Next are the parameter descriptions in call order. The
- * column descriptions follow in column number order.
- *
- *
Each row in the ResultSet is a parameter description or column
- * description with the following fields:
- *
PROCEDURE_CAT String => procedure catalog (may be null)
- *
PROCEDURE_SCHEM String => procedure schema (may be null)
- *
PROCEDURE_NAME String => procedure name
- *
COLUMN_NAME String => column/parameter name
- *
COLUMN_TYPE Short => kind of column/parameter:
- *
- procedureColumnUnknown - nobody knows
- *
procedureColumnIn - IN parameter
- *
procedureColumnInOut - INOUT parameter
- *
procedureColumnOut - OUT parameter
- *
procedureColumnReturn - procedure return value
- *
procedureColumnResult - result column in ResultSet
- *
- *
DATA_TYPE short => SQL type from java.sql.Types
- *
TYPE_NAME String => SQL type name
- *
PRECISION int => precision
- *
LENGTH int => length in bytes of data
- *
SCALE short => scale
- *
RADIX short => radix
- *
NULLABLE short => can it contain NULL?
- *
- procedureNoNulls - does not allow NULL values
- *
procedureNullable - allows NULL values
- *
procedureNullableUnknown - nullability unknown
- *
REMARKS String => comment describing parameter/column
- *
- * @param catalog This is ignored in postgresql, advise this is set to null
- * @param schemaPattern This is ignored in postgresql, advise this is set to null
- * @param procedureNamePattern a procedure name pattern
- * @param columnNamePattern a column name pattern
- * @return each row is a stored procedure parameter or column description
- * @exception SQLException if a database-access error occurs
- * @see #getSearchStringEscape
- */
- // Implementation note: This is required for Borland's JBuilder to work
- public java.sql.ResultSet getProcedureColumns(String catalog, String schemaPattern, String procedureNamePattern, String columnNamePattern) throws SQLException
- {
- if(procedureNamePattern==null)
- procedureNamePattern="%";
-
- if(columnNamePattern==null)
- columnNamePattern="%";
-
- // for now, this returns an empty result set.
- Field f[] = new Field[13];
- ResultSet r; // ResultSet for the SQL query that we need to do
- Vector v = new Vector(); // The new ResultSet tuple stuff
-
- f[0] = new Field(connection, new String("PROCEDURE_CAT"), iVarcharOid, 32);
- f[1] = new Field(connection, new String("PROCEDURE_SCHEM"), iVarcharOid, 32);
- f[2] = new Field(connection, new String("PROCEDURE_NAME"), iVarcharOid, 32);
- f[3] = new Field(connection, new String("COLUMN_NAME"), iVarcharOid, 32);
- f[4] = new Field(connection, new String("COLUMN_TYPE"), iInt2Oid, 2);
- f[5] = new Field(connection, new String("DATA_TYPE"), iInt2Oid, 2);
- f[6] = new Field(connection, new String("TYPE_NAME"), iVarcharOid, 32);
- f[7] = new Field(connection, new String("PRECISION"), iInt4Oid, 4);
- f[8] = new Field(connection, new String("LENGTH"), iInt4Oid, 4);
- f[9] = new Field(connection, new String("SCALE"), iInt2Oid, 2);
- f[10] = new Field(connection, new String("RADIX"), iInt2Oid, 2);
- f[11] = new Field(connection, new String("NULLABLE"), iInt2Oid, 2);
- f[12] = new Field(connection, new String("REMARKS"), iVarcharOid, 32);
-
- // add query loop here
-
- return new ResultSet(connection, f, v, "OK", 1);
- }
-
- /**
- * Get a description of tables available in a catalog.
- *
- *
Only table descriptions matching the catalog, schema, table
- * name and type criteria are returned. They are ordered by
- * TABLE_TYPE, TABLE_SCHEM and TABLE_NAME.
- *
- *
Each table description has the following columns:
- *
- *
TABLE_CAT String => table catalog (may be null)
- *
TABLE_SCHEM String => table schema (may be null)
- *
TABLE_NAME String => table name
- *
TABLE_TYPE String => table type. Typical types are "TABLE",
- * "VIEW", "SYSTEM TABLE", "GLOBAL TEMPORARY", "LOCAL
- * TEMPORARY", "ALIAS", "SYNONYM".
- *
REMARKS String => explanatory comment on the table
- *
- *
- *
The valid values for the types parameter are:
- * "TABLE", "INDEX", "SEQUENCE", "SYSTEM TABLE" and "SYSTEM INDEX"
- *
- * @param catalog a catalog name; For postgresql, this is ignored, and
- * should be set to null
- * @param schemaPattern a schema name pattern; For postgresql, this is ignored, and
- * should be set to null
- * @param tableNamePattern a table name pattern. For all tables this should be "%"
- * @param types a list of table types to include; null returns
- * all types
- * @return each row is a table description
- * @exception SQLException if a database-access error occurs.
- */
- public java.sql.ResultSet getTables(String catalog, String schemaPattern, String tableNamePattern, String types[]) throws SQLException
- {
- // Handle default value for types
- if(types==null)
- types = defaultTableTypes;
-
- if(tableNamePattern==null)
- tableNamePattern="%";
-
- // the field descriptors for the new ResultSet
- Field f[] = new Field[5];
- java.sql.ResultSet r; // ResultSet for the SQL query that we need to do
- Vector v = new Vector(); // The new ResultSet tuple stuff
-
- f[0] = new Field(connection, new String("TABLE_CAT"), iVarcharOid, 32);
- f[1] = new Field(connection, new String("TABLE_SCHEM"), iVarcharOid, 32);
- f[2] = new Field(connection, new String("TABLE_NAME"), iVarcharOid, 32);
- f[3] = new Field(connection, new String("TABLE_TYPE"), iVarcharOid, 32);
- f[4] = new Field(connection, new String("REMARKS"), iVarcharOid, 32);
-
- // Now form the query
- StringBuffer sql = new StringBuffer("select relname,oid from pg_class where (");
- boolean notFirst=false;
- for(int i=0;i
- if(notFirst)
- sql.append(" or ");
- for(int j=0;j
- if(getTableTypes[j][0].equals(types[i])) {
- sql.append(getTableTypes[j][1]);
- notFirst=true;
- }
- }
-
- // Added by Stefan Andreasen
- // Now take the pattern into account
- sql.append(") and relname like '");
- sql.append(tableNamePattern.toLowerCase());
- sql.append("'");
-
- // Now run the query
- r = connection.ExecSQL(sql.toString());
-
- byte remarks[];
-
- while (r.next())
- {
- byte[][] tuple = new byte[5][0];
-
- // Fetch the description for the table (if any)
- java.sql.ResultSet dr = connection.ExecSQL("select description from pg_description where objoid="+r.getInt(2));
- if(((postgresql.ResultSet)dr).getTupleCount()==1) {
- dr.next();
- remarks = dr.getBytes(1);
- } else
- remarks = defaultRemarks;
- dr.close();
-
- tuple[0] = null; // Catalog name
- tuple[1] = null; // Schema name
- tuple[2] = r.getBytes(1); // Table name
- tuple[3] = null; // Table type
- tuple[4] = remarks; // Remarks
- v.addElement(tuple);
- }
- r.close();
- return new ResultSet(connection, f, v, "OK", 1);
- }
-
- // This array contains the valid values for the types argument
- // in getTables().
- //
- // Each supported type consists of it's name, and the sql where
- // clause to retrieve that value.
- //
- // IMPORTANT: the query must be enclosed in ( )
- private static final String getTableTypes[][] = {
- {"TABLE", "(relkind='r' and relname !~ '^pg_')"},
- {"INDEX", "(relkind='i' and relname !~ '^pg_')"},
- {"SEQUENCE", "(relkind='S' and relname !~ '^pg_')"},
- {"SYSTEM TABLE", "(relkind='r' and relname ~ '^pg_')"},
- {"SYSTEM INDEX", "(relkind='i' and relname ~ '^pg_')"}
- };
-
- // These are the default tables, used when NULL is passed to getTables
- // The choice of these provide the same behaviour as psql's \d
- private static final String defaultTableTypes[] = {
- "TABLE","INDEX","SEQUENCE"
- };
-
- /**
- * Get the schema names available in this database. The results
- * are ordered by schema name.
- *
- *
The schema column is:
- *
TABLE_SCHEM String => schema name
- *
- *
- * @return ResultSet each row has a single String column that is a
- * schema name
- */
- public java.sql.ResultSet getSchemas() throws SQLException
- {
- // We don't use schemas, so we simply return a single schema name "".
- //
- Field f[] = new Field[1];
- Vector v = new Vector();
- byte[][] tuple = new byte[1][0];
- f[0] = new Field(connection,new String("TABLE_SCHEM"),iVarcharOid,32);
- tuple[0] = "".getBytes();
- v.addElement(tuple);
- return new ResultSet(connection,f,v,"OK",1);
- }
-
- /**
- * Get the catalog names available in this database. The results
- * are ordered by catalog name.
- *
- *
The catalog column is:
- *
TABLE_CAT String => catalog name
- *
- *
- * @return ResultSet each row has a single String column that is a
- * catalog name
- */
- public java.sql.ResultSet getCatalogs() throws SQLException
- {
- // We don't use catalogs, so we simply return a single catalog name "".
- Field f[] = new Field[1];
- Vector v = new Vector();
- byte[][] tuple = new byte[1][0];
- f[0] = new Field(connection,new String("TABLE_CAT"),iVarcharOid,32);
- tuple[0] = "".getBytes();
- v.addElement(tuple);
- return new ResultSet(connection,f,v,"OK",1);
- }
-
- /**
- * Get the table types available in this database. The results
- * are ordered by table type.
- *
- *
TABLE_TYPE String => table type. Typical types are "TABLE",
- * "VIEW", "SYSTEM TABLE", "GLOBAL TEMPORARY",
- * "LOCAL TEMPORARY", "ALIAS", "SYNONYM".
- *
- *
- * @return ResultSet each row has a single String column that is a
- * table type
- */
- public java.sql.ResultSet getTableTypes() throws SQLException
- {
- Field f[] = new Field[1];
- Vector v = new Vector();
- byte[][] tuple = new byte[1][0];
- f[0] = new Field(connection,new String("TABLE_TYPE"),iVarcharOid,32);
- for(int i=0;i
- tuple[0] = getTableTypes[i][0].getBytes();
- v.addElement(tuple);
- }
- return new ResultSet(connection,f,v,"OK",1);
- }
-
- /**
- * Get a description of table columns available in a catalog.
- *
- *
Only column descriptions matching the catalog, schema, table
- * and column name criteria are returned. They are ordered by
- * TABLE_SCHEM, TABLE_NAME and ORDINAL_POSITION.
- *
- *
Each column description has the following columns:
- *
TABLE_CAT String => table catalog (may be null)
- *
TABLE_SCHEM String => table schema (may be null)
- *
TABLE_NAME String => table name
- *
COLUMN_NAME String => column name
- *
DATA_TYPE short => SQL type from java.sql.Types
- *
TYPE_NAME String => Data source dependent type name
- *
COLUMN_SIZE int => column size. For char or date
- * types this is the maximum number of characters, for numeric or
- * decimal types this is precision.
- *
BUFFER_LENGTH is not used.
- *
DECIMAL_DIGITS int => the number of fractional digits
- *
NUM_PREC_RADIX int => Radix (typically either 10 or 2)
- *
NULLABLE int => is NULL allowed?
- *
columnNoNulls - might not allow NULL values
- *
columnNullable - definitely allows NULL values
- *
columnNullableUnknown - nullability unknown
- *
- *
REMARKS String => comment describing column (may be null)
- *
COLUMN_DEF String => default value (may be null)
- *
SQL_DATA_TYPE int => unused
- *
SQL_DATETIME_SUB int => unused
- *
CHAR_OCTET_LENGTH int => for char types the
- * maximum number of bytes in the column
- *
ORDINAL_POSITION int => index of column in table
- * (starting at 1)
- *
IS_NULLABLE String => "NO" means column definitely
- * does not allow NULL values; "YES" means the column might
- * allow NULL values. An empty string means nobody knows.
- *
- *
- * @param catalog a catalog name; "" retrieves those without a catalog
- * @param schemaPattern a schema name pattern; "" retrieves those
- * without a schema
- * @param tableNamePattern a table name pattern
- * @param columnNamePattern a column name pattern
- * @return ResultSet each row is a column description
- * @see #getSearchStringEscape
- */
- public java.sql.ResultSet getColumns(String catalog, String schemaPattern, String tableNamePattern, String columnNamePattern) throws SQLException
- {
- // the field descriptors for the new ResultSet
- Field f[] = new Field[18];
- java.sql.ResultSet r; // ResultSet for the SQL query that we need to do
- Vector v = new Vector(); // The new ResultSet tuple stuff
-
- f[0] = new Field(connection, new String("TABLE_CAT"), iVarcharOid, 32);
- f[1] = new Field(connection, new String("TABLE_SCHEM"), iVarcharOid, 32);
- f[2] = new Field(connection, new String("TABLE_NAME"), iVarcharOid, 32);
- f[3] = new Field(connection, new String("COLUMN_NAME"), iVarcharOid, 32);
- f[4] = new Field(connection, new String("DATA_TYPE"), iInt2Oid, 2);
- f[5] = new Field(connection, new String("TYPE_NAME"), iVarcharOid, 32);
- f[6] = new Field(connection, new String("COLUMN_SIZE"), iInt4Oid, 4);
- f[7] = new Field(connection, new String("BUFFER_LENGTH"), iVarcharOid, 32);
- f[8] = new Field(connection, new String("DECIMAL_DIGITS"), iInt4Oid, 4);
- f[9] = new Field(connection, new String("NUM_PREC_RADIX"), iInt4Oid, 4);
- f[10] = new Field(connection, new String("NULLABLE"), iInt4Oid, 4);
- f[11] = new Field(connection, new String("REMARKS"), iVarcharOid, 32);
- f[12] = new Field(connection, new String("COLUMN_DEF"), iVarcharOid, 32);
- f[13] = new Field(connection, new String("SQL_DATA_TYPE"), iInt4Oid, 4);
- f[14] = new Field(connection, new String("SQL_DATETIME_SUB"), iInt4Oid, 4);
- f[15] = new Field(connection, new String("CHAR_OCTET_LENGTH"), iVarcharOid, 32);
- f[16] = new Field(connection, new String("ORDINAL_POSITION"), iInt4Oid,4);
- f[17] = new Field(connection, new String("IS_NULLABLE"), iVarcharOid, 32);
-
- // Added by Stefan Andreasen
- // If the pattern are null then set them to %
- if (tableNamePattern == null) tableNamePattern="%";
- if (columnNamePattern == null) columnNamePattern="%";
-
- // Now form the query
- // Modified by Stefan Andreasen
- r = connection.ExecSQL("select a.oid,c.relname,a.attname,a.atttypid,a.attnum,a.attnotnull,a.attlen,a.atttypmod from pg_class c, pg_attribute a where a.attrelid=c.oid and c.relname like '"+tableNamePattern.toLowerCase()+"' and a.attname like '"+columnNamePattern.toLowerCase()+"' and a.attnum>0 order by c.relname,a.attnum");
-
- byte remarks[];
-
- while(r.next()) {
- byte[][] tuple = new byte[18][0];
-
- // Fetch the description for the table (if any)
- java.sql.ResultSet dr = connection.ExecSQL("select description from pg_description where objoid="+r.getInt(1));
- if(((postgresql.ResultSet)dr).getTupleCount()==1) {
- dr.next();
- tuple[11] = dr.getBytes(1);
- } else
- tuple[11] = defaultRemarks;
-
- dr.close();
-
- tuple[0] = "".getBytes(); // Catalog name
- tuple[1] = "".getBytes(); // Schema name
- tuple[2] = r.getBytes(2); // Table name
- tuple[3] = r.getBytes(3); // Column name
-
- dr = connection.ExecSQL("select typname from pg_type where oid = "+r.getString(4));
- dr.next();
- String typname=dr.getString(1);
- dr.close();
- tuple[4] = Integer.toString(Field.getSQLType(typname)).getBytes(); // Data type
- tuple[5] = typname.getBytes(); // Type name
-
- // Column size
- // Looking at the psql source,
- // I think the length of a varchar as specified when the table was created
- // should be extracted from atttypmod which contains this length + sizeof(int32)
- if (typname.equals("bpchar") || typname.equals("varchar")) {
- int atttypmod = r.getInt(8);
- tuple[6] = Integer.toString(atttypmod != -1 ? atttypmod - VARHDRSZ : 0).getBytes();
- } else
- tuple[6] = r.getBytes(7);
-
- tuple[7] = null; // Buffer length
-
- tuple[8] = "0".getBytes(); // Decimal Digits - how to get this?
- tuple[9] = "10".getBytes(); // Num Prec Radix - assume decimal
-
- // tuple[10] is below
- // tuple[11] is above
-
- tuple[12] = null; // column default
-
- tuple[13] = null; // sql data type (unused)
- tuple[14] = null; // sql datetime sub (unused)
-
- tuple[15] = tuple[6]; // char octet length
-
- tuple[16] = r.getBytes(5); // ordinal position
-
- String nullFlag = r.getString(6);
- tuple[10] = Integer.toString(nullFlag.equals("f")?java.sql.DatabaseMetaData.columnNullable:java.sql.DatabaseMetaData.columnNoNulls).getBytes(); // Nullable
- tuple[17] = (nullFlag.equals("f")?"YES":"NO").getBytes(); // is nullable
-
- v.addElement(tuple);
- }
- r.close();
- return new ResultSet(connection, f, v, "OK", 1);
- }
-
- /**
- * Get a description of the access rights for a table's columns.
- *
- *
Only privileges matching the column name criteria are
- * returned. They are ordered by COLUMN_NAME and PRIVILEGE.
- *
- *
Each privilige description has the following columns:
- *
TABLE_CAT String => table catalog (may be null)
- *
TABLE_SCHEM String => table schema (may be null)
- *
TABLE_NAME String => table name
- *
COLUMN_NAME String => column name
- *
GRANTOR => grantor of access (may be null)
- *
GRANTEE String => grantee of access
- *
PRIVILEGE String => name of access (SELECT,
- * INSERT, UPDATE, REFRENCES, ...)
- *
IS_GRANTABLE String => "YES" if grantee is permitted
- * to grant to others; "NO" if not; null if unknown
- *
- *
- * @param catalog a catalog name; "" retrieves those without a catalog
- * @param schema a schema name; "" retrieves those without a schema
- * @param table a table name
- * @param columnNamePattern a column name pattern
- * @return ResultSet each row is a column privilege description
- * @see #getSearchStringEscape
- */
- public java.sql.ResultSet getColumnPrivileges(String catalog, String schema, String table, String columnNamePattern) throws SQLException
- {
- Field f[] = new Field[8];
- Vector v = new Vector();
-
- if(table==null)
- table="%";
-
- if(columnNamePattern==null)
- columnNamePattern="%";
- else
- columnNamePattern=columnNamePattern.toLowerCase();
-
- f[0] = new Field(connection,new String("TABLE_CAT"),iVarcharOid,32);
- f[1] = new Field(connection,new String("TABLE_SCHEM"),iVarcharOid,32);
- f[2] = new Field(connection,new String("TABLE_NAME"),iVarcharOid,32);
- f[3] = new Field(connection,new String("COLUMN_NAME"),iVarcharOid,32);
- f[4] = new Field(connection,new String("GRANTOR"),iVarcharOid,32);
- f[5] = new Field(connection,new String("GRANTEE"),iVarcharOid,32);
- f[6] = new Field(connection,new String("PRIVILEGE"),iVarcharOid,32);
- f[7] = new Field(connection,new String("IS_GRANTABLE"),iVarcharOid,32);
-
- // This is taken direct from the psql source
- java.sql.ResultSet r = connection.ExecSQL("SELECT relname, relacl FROM pg_class, pg_user WHERE ( relkind = 'r' OR relkind = 'i') and relname !~ '^pg_' and relname !~ '^xin[vx][0-9]+' and usesysid = relowner and relname like '"+table.toLowerCase()+"' ORDER BY relname");
- while(r.next()) {
- byte[][] tuple = new byte[8][0];
- tuple[0] = tuple[1]= "".getBytes();
- DriverManager.println("relname=\""+r.getString(1)+"\" relacl=\""+r.getString(2)+"\"");
-
- // For now, don't add to the result as relacl needs to be processed.
- //v.addElement(tuple);
- }
-
- return new ResultSet(connection,f,v,"OK",1);
- }
-
- /**
- * Get a description of the access rights for each table available
- * in a catalog.
- *
- *
Only privileges matching the schema and table name
- * criteria are returned. They are ordered by TABLE_SCHEM,
- * TABLE_NAME, and PRIVILEGE.
- *
- *
Each privilige description has the following columns:
- *
TABLE_CAT String => table catalog (may be null)
- *
TABLE_SCHEM String => table schema (may be null)
- *
TABLE_NAME String => table name
- *
COLUMN_NAME String => column name
- *
GRANTOR => grantor of access (may be null)
- *
GRANTEE String => grantee of access
- *
PRIVILEGE String => name of access (SELECT,
- * INSERT, UPDATE, REFRENCES, ...)
- *
IS_GRANTABLE String => "YES" if grantee is permitted
- * to grant to others; "NO" if not; null if unknown
- *
- *
- * @param catalog a catalog name; "" retrieves those without a catalog
- * @param schemaPattern a schema name pattern; "" retrieves those
- * without a schema
- * @param tableNamePattern a table name pattern
- * @return ResultSet each row is a table privilege description
- * @see #getSearchStringEscape
- */
- public java.sql.ResultSet getTablePrivileges(String catalog, String schemaPattern, String tableNamePattern) throws SQLException
- {
- // XXX-Not Implemented
- return null;
- }
-
- /**
- * Get a description of a table's optimal set of columns that
- * uniquely identifies a row. They are ordered by SCOPE.
- *
- *
Each column description has the following columns:
- *
SCOPE short => actual scope of result
- *
bestRowTemporary - very temporary, while using row
- *
bestRowTransaction - valid for remainder of current transaction
- *
bestRowSession - valid for remainder of current session
- *
- *
COLUMN_NAME String => column name
- *
DATA_TYPE short => SQL data type from java.sql.Types
- *
TYPE_NAME String => Data source dependent type name
- *
COLUMN_SIZE int => precision
- *
BUFFER_LENGTH int => not used
- *
DECIMAL_DIGITS short => scale
- *
PSEUDO_COLUMN short => is this a pseudo column
- * like an Oracle ROWID
- *
bestRowUnknown - may or may not be pseudo column
- *
bestRowNotPseudo - is NOT a pseudo column
- *
bestRowPseudo - is a pseudo column
- *
- *
- *
- * @param catalog a catalog name; "" retrieves those without a catalog
- * @param schema a schema name; "" retrieves those without a schema
- * @param table a table name
- * @param scope the scope of interest; use same values as SCOPE
- * @param nullable include columns that are nullable?
- * @return ResultSet each row is a column description
- */
- // Implementation note: This is required for Borland's JBuilder to work
- public java.sql.ResultSet getBestRowIdentifier(String catalog, String schema, String table, int scope, boolean nullable) throws SQLException
- {
- // for now, this returns an empty result set.
- Field f[] = new Field[8];
- ResultSet r; // ResultSet for the SQL query that we need to do
- Vector v = new Vector(); // The new ResultSet tuple stuff
-
- f[0] = new Field(connection, new String("SCOPE"), iInt2Oid, 2);
- f[1] = new Field(connection, new String("COLUMN_NAME"), iVarcharOid, 32);
- f[2] = new Field(connection, new String("DATA_TYPE"), iInt2Oid, 2);
- f[3] = new Field(connection, new String("TYPE_NAME"), iVarcharOid, 32);
- f[4] = new Field(connection, new String("COLUMN_SIZE"), iInt4Oid, 4);
- f[5] = new Field(connection, new String("BUFFER_LENGTH"), iInt4Oid, 4);
- f[6] = new Field(connection, new String("DECIMAL_DIGITS"), iInt2Oid, 2);
- f[7] = new Field(connection, new String("PSEUDO_COLUMN"), iInt2Oid, 2);
-
- return new ResultSet(connection, f, v, "OK", 1);
- }
-
- /**
- * Get a description of a table's columns that are automatically
- * updated when any value in a row is updated. They are
- * unordered.
- *
- *
Each column description has the following columns:
- *
SCOPE short => is not used
- *
COLUMN_NAME String => column name
- *
DATA_TYPE short => SQL data type from java.sql.Types
- *
TYPE_NAME String => Data source dependent type name
- *
COLUMN_SIZE int => precision
- *
BUFFER_LENGTH int => length of column value in bytes
- *
DECIMAL_DIGITS short => scale
- *
PSEUDO_COLUMN short => is this a pseudo column
- * like an Oracle ROWID
- *
versionColumnUnknown - may or may not be pseudo column
- *
versionColumnNotPseudo - is NOT a pseudo column
- *
versionColumnPseudo - is a pseudo column
- *
- *
- *
- * @param catalog a catalog name; "" retrieves those without a catalog
- * @param schema a schema name; "" retrieves those without a schema
- * @param table a table name
- * @return ResultSet each row is a column description
- */
- public java.sql.ResultSet getVersionColumns(String catalog, String schema, String table) throws SQLException
- {
- // XXX-Not Implemented
- return null;
- }
-
- /**
- * Get a description of a table's primary key columns. They
- * are ordered by COLUMN_NAME.
- *
- *
Each column description has the following columns:
- *
TABLE_CAT String => table catalog (may be null)
- *
TABLE_SCHEM String => table schema (may be null)
- *
TABLE_NAME String => table name
- *
COLUMN_NAME String => column name
- *
KEY_SEQ short => sequence number within primary key
- *
PK_NAME String => primary key name (may be null)
- *
- *
- * @param catalog a catalog name; "" retrieves those without a catalog
- * @param schema a schema name pattern; "" retrieves those
- * without a schema
- * @param table a table name
- * @return ResultSet each row is a primary key column description
- */
- public java.sql.ResultSet getPrimaryKeys(String catalog, String schema, String table) throws SQLException
- {
- return connection.createStatement().executeQuery("SELECT " +
- "'' as TABLE_CAT," +
- "'' AS TABLE_SCHEM," +
- "bc.relname AS TABLE_NAME," +
- "a.attname AS COLUMN_NAME," +
- "a.attnum as KEY_SEQ,"+
- "ic.relname as PK_NAME " +
- " FROM pg_class bc, pg_class ic, pg_index i, pg_attribute a" +
- " WHERE bc.relkind = 'r' " + // -- not indices
- " and upper(bc.relname) = upper('"+table+"')" +
- " and i.indrelid = bc.oid" +
- " and i.indexrelid = ic.oid" +
- " and ic.oid = a.attrelid" +
- " and i.indisprimary='t' " +
- " ORDER BY table_name, pk_name, key_seq"
- );
- }
-
- /**
- * Get a description of the primary key columns that are
- * referenced by a table's foreign key columns (the primary keys
- * imported by a table). They are ordered by PKTABLE_CAT,
- * PKTABLE_SCHEM, PKTABLE_NAME, and KEY_SEQ.
- *
- *
Each primary key column description has the following columns:
- *
PKTABLE_CAT String => primary key table catalog
- * being imported (may be null)
- *
PKTABLE_SCHEM String => primary key table schema
- * being imported (may be null)
- *
PKTABLE_NAME String => primary key table name
- * being imported
- *
PKCOLUMN_NAME String => primary key column name
- * being imported
- *
FKTABLE_CAT String => foreign key table catalog (may be null)
- *
FKTABLE_SCHEM String => foreign key table schema (may be null)
- *
FKTABLE_NAME String => foreign key table name
- *
FKCOLUMN_NAME String => foreign key column name
- *
KEY_SEQ short => sequence number within foreign key
- *
UPDATE_RULE short => What happens to
- * foreign key when primary is updated:
- *
importedKeyCascade - change imported key to agree
- * with primary key update
- *
importedKeyRestrict - do not allow update of primary
- * key if it has been imported
- *
importedKeySetNull - change imported key to NULL if
- * its primary key has been updated
- *
- *
DELETE_RULE short => What happens to
- * the foreign key when primary is deleted.
- *
importedKeyCascade - delete rows that import a deleted key
- *
importedKeyRestrict - do not allow delete of primary
- * key if it has been imported
- *
importedKeySetNull - change imported key to NULL if
- * its primary key has been deleted
- *
- *
FK_NAME String => foreign key name (may be null)
- *
PK_NAME String => primary key name (may be null)
- *
- *
- * @param catalog a catalog name; "" retrieves those without a catalog
- * @param schema a schema name pattern; "" retrieves those
- * without a schema
- * @param table a table name
- * @return ResultSet each row is a primary key column description
- * @see #getExportedKeys
- */
- public java.sql.ResultSet getImportedKeys(String catalog, String schema, String table) throws SQLException
- {
- // XXX-Not Implemented
- return null;
- }
-
- /**
- * Get a description of a foreign key columns that reference a
- * table's primary key columns (the foreign keys exported by a
- * table). They are ordered by FKTABLE_CAT, FKTABLE_SCHEM,
- * FKTABLE_NAME, and KEY_SEQ.
- *
- *
Each foreign key column description has the following columns:
- *
PKTABLE_CAT String => primary key table catalog (may be null)
- *
PKTABLE_SCHEM String => primary key table schema (may be null)
- *
PKTABLE_NAME String => primary key table name
- *
PKCOLUMN_NAME String => primary key column name
- *
FKTABLE_CAT String => foreign key table catalog (may be null)
- * being exported (may be null)
- *
FKTABLE_SCHEM String => foreign key table schema (may be null)
- * being exported (may be null)
- *
FKTABLE_NAME String => foreign key table name
- * being exported
- *
FKCOLUMN_NAME String => foreign key column name
- * being exported
- *
KEY_SEQ short => sequence number within foreign key
- *
UPDATE_RULE short => What happens to
- * foreign key when primary is updated:
- *
importedKeyCascade - change imported key to agree
- * with primary key update
- *
importedKeyRestrict - do not allow update of primary
- * key if it has been imported
- *
importedKeySetNull - change imported key to NULL if
- * its primary key has been updated
- *
- *
DELETE_RULE short => What happens to
- * the foreign key when primary is deleted.
- *
importedKeyCascade - delete rows that import a deleted key
- *
importedKeyRestrict - do not allow delete of primary
- * key if it has been imported
- *
importedKeySetNull - change imported key to NULL if
- * its primary key has been deleted
- *
- *
FK_NAME String => foreign key identifier (may be null)
- *
PK_NAME String => primary key identifier (may be null)
- *
- *
- * @param catalog a catalog name; "" retrieves those without a catalog
- * @param schema a schema name pattern; "" retrieves those
- * without a schema
- * @param table a table name
- * @return ResultSet each row is a foreign key column description
- * @see #getImportedKeys
- */
- public java.sql.ResultSet getExportedKeys(String catalog, String schema, String table) throws SQLException
- {
- // XXX-Not Implemented
- return null;
- }
-
- /**
- * Get a description of the foreign key columns in the foreign key
- * table that reference the primary key columns of the primary key
- * table (describe how one table imports another's key.) This
- * should normally return a single foreign key/primary key pair
- * (most tables only import a foreign key from a table once.) They
- * are ordered by FKTABLE_CAT, FKTABLE_SCHEM, FKTABLE_NAME, and
- * KEY_SEQ.
- *
- *
Each foreign key column description has the following columns:
- *
PKTABLE_CAT String => primary key table catalog (may be null)
- *
PKTABLE_SCHEM String => primary key table schema (may be null)
- *
PKTABLE_NAME String => primary key table name
- *
PKCOLUMN_NAME String => primary key column name
- *
FKTABLE_CAT String => foreign key table catalog (may be null)
- * being exported (may be null)
- *
FKTABLE_SCHEM String => foreign key table schema (may be null)
- * being exported (may be null)
- *
FKTABLE_NAME String => foreign key table name
- * being exported
- *
FKCOLUMN_NAME String => foreign key column name
- * being exported
- *
KEY_SEQ short => sequence number within foreign key
- *
UPDATE_RULE short => What happens to
- * foreign key when primary is updated:
- *
importedKeyCascade - change imported key to agree
- * with primary key update
- *
importedKeyRestrict - do not allow update of primary
- * key if it has been imported
- *
importedKeySetNull - change imported key to NULL if
- * its primary key has been updated
- *
- *
DELETE_RULE short => What happens to
- * the foreign key when primary is deleted.
- *
importedKeyCascade - delete rows that import a deleted key
- *
importedKeyRestrict - do not allow delete of primary
- * key if it has been imported
- *
importedKeySetNull - change imported key to NULL if
- * its primary key has been deleted
- *
- *
FK_NAME String => foreign key identifier (may be null)
- *
PK_NAME String => primary key identifier (may be null)
- *
- *
- * @param catalog a catalog name; "" retrieves those without a catalog
- * @param schema a schema name pattern; "" retrieves those
- * without a schema
- * @param table a table name
- * @return ResultSet each row is a foreign key column description
- * @see #getImportedKeys
- */
- public java.sql.ResultSet getCrossReference(String primaryCatalog, String primarySchema, String primaryTable, String foreignCatalog, String foreignSchema, String foreignTable) throws SQLException
- {
- // XXX-Not Implemented
- return null;
- }
-
- /**
- * Get a description of all the standard SQL types supported by
- * this database. They are ordered by DATA_TYPE and then by how
- * closely the data type maps to the corresponding JDBC SQL type.
- *
- *
Each type description has the following columns:
- *
TYPE_NAME String => Type name
- *
DATA_TYPE short => SQL data type from java.sql.Types
- *
PRECISION int => maximum precision
- *
LITERAL_PREFIX String => prefix used to quote a literal
- * (may be null)
- *
LITERAL_SUFFIX String => suffix used to quote a literal
- (may be null)
- *
CREATE_PARAMS String => parameters used in creating
- * the type (may be null)
- *
NULLABLE short => can you use NULL for this type?
- *
typeNoNulls - does not allow NULL values
- *
typeNullable - allows NULL values
- *
typeNullableUnknown - nullability unknown
- *
- *
CASE_SENSITIVE boolean=> is it case sensitive?
- *
SEARCHABLE short => can you use "WHERE" based on this type:
- *
typePredNone - No support
- *
typePredChar - Only supported with WHERE .. LIKE
- *
typePredBasic - Supported except for WHERE .. LIKE
- *
typeSearchable - Supported for all WHERE ..
- *
- *
UNSIGNED_ATTRIBUTE boolean => is it unsigned?
- *
FIXED_PREC_SCALE boolean => can it be a money value?
- *
AUTO_INCREMENT boolean => can it be used for an
- * auto-increment value?
- *
LOCAL_TYPE_NAME String => localized version of type name
- * (may be null)
- *
MINIMUM_SCALE short => minimum scale supported
- *
MAXIMUM_SCALE short => maximum scale supported
- *
SQL_DATA_TYPE int => unused
- *
SQL_DATETIME_SUB int => unused
- *
NUM_PREC_RADIX int => usually 2 or 10
- *
- *
- * @return ResultSet each row is a SQL type description
- */
- public java.sql.ResultSet getTypeInfo() throws SQLException
- {
- java.sql.ResultSet rs = connection.ExecSQL("select typname from pg_type");
- if(rs!=null) {
- Field f[] = new Field[18];
- ResultSet r; // ResultSet for the SQL query that we need to do
- Vector v = new Vector(); // The new ResultSet tuple stuff
-
- f[0] = new Field(connection, new String("TYPE_NAME"), iVarcharOid, 32);
- f[1] = new Field(connection, new String("DATA_TYPE"), iInt2Oid, 2);
- f[2] = new Field(connection, new String("PRECISION"), iInt4Oid, 4);
- f[3] = new Field(connection, new String("LITERAL_PREFIX"), iVarcharOid, 32);
- f[4] = new Field(connection, new String("LITERAL_SUFFIX"), iVarcharOid, 32);
- f[5] = new Field(connection, new String("CREATE_PARAMS"), iVarcharOid, 32);
- f[6] = new Field(connection, new String("NULLABLE"), iInt2Oid, 2);
- f[7] = new Field(connection, new String("CASE_SENSITIVE"), iBoolOid, 1);
- f[8] = new Field(connection, new String("SEARCHABLE"), iInt2Oid, 2);
- f[9] = new Field(connection, new String("UNSIGNED_ATTRIBUTE"), iBoolOid, 1);
- f[10] = new Field(connection, new String("FIXED_PREC_SCALE"), iBoolOid, 1);
- f[11] = new Field(connection, new String("AUTO_INCREMENT"), iBoolOid, 1);
- f[12] = new Field(connection, new String("LOCAL_TYPE_NAME"), iVarcharOid, 32);
- f[13] = new Field(connection, new String("MINIMUM_SCALE"), iInt2Oid, 2);
- f[14] = new Field(connection, new String("MAXIMUM_SCALE"), iInt2Oid, 2);
- f[15] = new Field(connection, new String("SQL_DATA_TYPE"), iInt4Oid, 4);
- f[16] = new Field(connection, new String("SQL_DATETIME_SUB"), iInt4Oid, 4);
- f[17] = new Field(connection, new String("NUM_PREC_RADIX"), iInt4Oid, 4);
-
- // cache some results, this will keep memory useage down, and speed
- // things up a little.
- byte b9[] = "9".getBytes();
- byte b10[] = "10".getBytes();
- byte bf[] = "f".getBytes();
- byte bnn[] = Integer.toString(typeNoNulls).getBytes();
- byte bts[] = Integer.toString(typeSearchable).getBytes();
-
- while(rs.next()) {
- byte[][] tuple = new byte[18][];
- String typname=rs.getString(1);
- tuple[0] = typname.getBytes();
- tuple[1] = Integer.toString(Field.getSQLType(typname)).getBytes();
- tuple[2] = b9; // for now
- tuple[6] = bnn; // for now
- tuple[7] = bf; // false for now - not case sensitive
- tuple[8] = bts;
- tuple[9] = bf; // false for now - it's signed
- tuple[10] = bf; // false for now - must handle money
- tuple[11] = bf; // false for now - handle autoincrement
- // 12 - LOCAL_TYPE_NAME is null
- // 13 & 14 ?
- // 15 & 16 are unused so we return null
- tuple[17] = b10; // everything is base 10
- v.addElement(tuple);
- }
- rs.close();
- return new ResultSet(connection, f, v, "OK", 1);
- }
-
- return null;
- }
-
- /**
- * Get a description of a table's indices and statistics. They are
- * ordered by NON_UNIQUE, TYPE, INDEX_NAME, and ORDINAL_POSITION.
- *
- *
Each index column description has the following columns:
- *
TABLE_CAT String => table catalog (may be null)
- *
TABLE_SCHEM String => table schema (may be null)
- *
TABLE_NAME String => table name
- *
NON_UNIQUE boolean => Can index values be non-unique?
- * false when TYPE is tableIndexStatistic
- *
INDEX_QUALIFIER String => index catalog (may be null);
- * null when TYPE is tableIndexStatistic
- *
INDEX_NAME String => index name; null when TYPE is
- * tableIndexStatistic
- *
TYPE short => index type:
- *
tableIndexStatistic - this identifies table statistics that are
- * returned in conjuction with a table's index descriptions
- *
tableIndexClustered - this is a clustered index
- *
tableIndexHashed - this is a hashed index
- *
tableIndexOther - this is some other style of index
- *
- *
ORDINAL_POSITION short => column sequence number
- * within index; zero when TYPE is tableIndexStatistic
- *
COLUMN_NAME String => column name; null when TYPE is
- * tableIndexStatistic
- *
ASC_OR_DESC String => column sort sequence, "A" => ascending
- * "D" => descending, may be null if sort sequence is not supported;
- * null when TYPE is tableIndexStatistic
- *
CARDINALITY int => When TYPE is tableIndexStatisic then
- * this is the number of rows in the table; otherwise it is the
- * number of unique values in the index.
- *
PAGES int => When TYPE is tableIndexStatisic then
- * this is the number of pages used for the table, otherwise it
- * is the number of pages used for the current index.
- *
FILTER_CONDITION String => Filter condition, if any.
- * (may be null)
- *
- *
- * @param catalog a catalog name; "" retrieves those without a catalog
- * @param schema a schema name pattern; "" retrieves those without a schema
- * @param table a table name
- * @param unique when true, return only indices for unique values;
- * when false, return indices regardless of whether unique or not
- * @param approximate when true, result is allowed to reflect approximate
- * or out of data values; when false, results are requested to be
- * accurate
- * @return ResultSet each row is an index column description
- */
- // Implementation note: This is required for Borland's JBuilder to work
- public java.sql.ResultSet getIndexInfo(String catalog, String schema, String table, boolean unique, boolean approximate) throws SQLException
- {
- // for now, this returns an empty result set.
- Field f[] = new Field[13];
- ResultSet r; // ResultSet for the SQL query that we need to do
- Vector v = new Vector(); // The new ResultSet tuple stuff
-
- f[0] = new Field(connection, new String("TABLE_CAT"), iVarcharOid, 32);
- f[1] = new Field(connection, new String("TABLE_SCHEM"), iVarcharOid, 32);
- f[2] = new Field(connection, new String("TABLE_NAME"), iVarcharOid, 32);
- f[3] = new Field(connection, new String("NON_UNIQUE"), iBoolOid, 1);
- f[4] = new Field(connection, new String("INDEX_QUALIFIER"), iVarcharOid, 32);
- f[5] = new Field(connection, new String("INDEX_NAME"), iVarcharOid, 32);
- f[6] = new Field(connection, new String("TYPE"), iInt2Oid, 2);
- f[7] = new Field(connection, new String("ORDINAL_POSITION"), iInt2Oid, 2);
- f[8] = new Field(connection, new String("COLUMN_NAME"), iVarcharOid, 32);
- f[9] = new Field(connection, new String("ASC_OR_DESC"), iVarcharOid, 32);
- f[10] = new Field(connection, new String("CARDINALITY"), iInt4Oid, 4);
- f[11] = new Field(connection, new String("PAGES"), iInt4Oid, 4);
- f[12] = new Field(connection, new String("FILTER_CONDITION"), iVarcharOid, 32);
-
- return new ResultSet(connection, f, v, "OK", 1);
- }
-
- // ** JDBC 2 Extensions **
-
- public boolean deletesAreDetected(int i) throws SQLException
- {
- throw postgresql.Driver.notImplemented();
- }
-
- public boolean othersDeletesAreVisible(int i) throws SQLException
- {
- throw postgresql.Driver.notImplemented();
- }
-
- public Class getClass(String catalog,
- String schema,
- String table,
- String columnNamePattern
- ) throws SQLException
- {
- throw postgresql.Driver.notImplemented();
- }
-
- public java.sql.Connection getConnection() throws SQLException
- {
- return (java.sql.Connection)connection;
- }
-
- public java.sql.ResultSet getUDTs(String catalog,
- String schemaPattern,
- String typeNamePattern,
- int[] types
- ) throws SQLException
- {
- throw postgresql.Driver.notImplemented();
- }
-
- public boolean othersInsertsAreVisible(int type) throws SQLException
- {
- throw postgresql.Driver.notImplemented();
- }
-
- public boolean updatesAreDetected(int type) throws SQLException
- {
- throw postgresql.Driver.notImplemented();
- }
-
- public boolean othersUpdatesAreVisible(int type) throws SQLException
- {
- throw postgresql.Driver.notImplemented();
- }
-
- public boolean ownUpdatesAreVisible(int type) throws SQLException
- {
- throw postgresql.Driver.notImplemented();
- }
-
- public boolean ownInsertsAreVisible(int type) throws SQLException
- {
- throw postgresql.Driver.notImplemented();
- }
-
- public boolean insertsAreDetected(int type) throws SQLException
- {
- throw postgresql.Driver.notImplemented();
- }
-
- public boolean ownDeletesAreVisible(int type) throws SQLException
- {
- throw postgresql.Driver.notImplemented();
- }
-
- public boolean rowChangesAreDetected(int type) throws SQLException
- {
- throw postgresql.Driver.notImplemented();
- }
-
- public boolean rowChangesAreVisible(int type) throws SQLException
- {
- throw postgresql.Driver.notImplemented();
- }
-
- public boolean supportsBatchUpdates() throws SQLException
- {
- throw postgresql.Driver.notImplemented();
- }
-
- public boolean supportsResultSetConcurrency(int type,int concurrency) throws SQLException
- {
- throw postgresql.Driver.notImplemented();
- }
-
- public boolean supportsResultSetType(int type) throws SQLException
- {
- throw postgresql.Driver.notImplemented();
- }
-
-
-}
-
+++ /dev/null
-package postgresql.jdbc2;
-
-// IMPORTANT NOTE: This file implements the JDBC 2 version of the driver.
-// If you make any modifications to this file, you must make sure that the
-// changes are also made (if relevent) to the related JDBC 1 class in the
-// postgresql.jdbc1 package.
-
-import java.io.*;
-import java.math.*;
-import java.sql.*;
-import java.text.*;
-import java.util.*;
-import postgresql.largeobject.*;
-import postgresql.util.*;
-
-/**
- * A SQL Statement is pre-compiled and stored in a PreparedStatement object.
- * This object can then be used to efficiently execute this statement multiple
- * times.
- *
- *
Note: The setXXX methods for setting IN parameter values must
- * specify types that are compatible with the defined SQL type of the input
- * parameter. For instance, if the IN parameter has SQL type Integer, then
- * setInt should be used.
- *
- *
If arbitrary parameter type conversions are required, then the setObject
- * method should be used with a target SQL type.
- *
- * @see ResultSet
- * @see java.sql.PreparedStatement
- */
-public class PreparedStatement extends Statement implements java.sql.PreparedStatement
-{
- String sql;
- String[] templateStrings;
- String[] inStrings;
- Connection connection;
-
- /**
- * Constructor for the PreparedStatement class.
- * Split the SQL statement into segments - separated by the arguments.
- * When we rebuild the thing with the arguments, we can substitute the
- * args and join the whole thing together.
- *
- * @param conn the instanatiating connection
- * @param sql the SQL statement with ? for IN markers
- * @exception SQLException if something bad occurs
- */
- public PreparedStatement(Connection connection, String sql) throws SQLException
- {
- super(connection);
-
- Vector v = new Vector();
- boolean inQuotes = false;
- int lastParmEnd = 0, i;
-
- this.sql = sql;
- this.connection = connection;
- for (i = 0; i < sql.length(); ++i)
- {
- int c = sql.charAt(i);
-
- if (c == '\'')
- inQuotes = !inQuotes;
- if (c == '?' && !inQuotes)
- {
- v.addElement(sql.substring (lastParmEnd, i));
- lastParmEnd = i + 1;
- }
- }
- v.addElement(sql.substring (lastParmEnd, sql.length()));
-
- templateStrings = new String[v.size()];
- inStrings = new String[v.size() - 1];
- clearParameters();
-
- for (i = 0 ; i < templateStrings.length; ++i)
- templateStrings[i] = (String)v.elementAt(i);
- }
-
- /**
- * A Prepared SQL query is executed and its ResultSet is returned
- *
- * @return a ResultSet that contains the data produced by the
- * query - never null
- * @exception SQLException if a database access error occurs
- */
- public java.sql.ResultSet executeQuery() throws SQLException
- {
- StringBuffer s = new StringBuffer();
- int i;
-
- for (i = 0 ; i < inStrings.length ; ++i)
- {
- if (inStrings[i] == null)
- throw new PSQLException("postgresql.prep.param",new Integer(i + 1));
- s.append (templateStrings[i]);
- s.append (inStrings[i]);
- }
- s.append(templateStrings[inStrings.length]);
- return super.executeQuery(s.toString()); // in Statement class
- }
-
- /**
- * Execute a SQL INSERT, UPDATE or DELETE statement. In addition,
- * SQL statements that return nothing such as SQL DDL statements can
- * be executed.
- *
- * @return either the row count for INSERT, UPDATE or DELETE; or
- * 0 for SQL statements that return nothing.
- * @exception SQLException if a database access error occurs
- */
- public int executeUpdate() throws SQLException
- {
- StringBuffer s = new StringBuffer();
- int i;
-
- for (i = 0 ; i < inStrings.length ; ++i)
- {
- if (inStrings[i] == null)
- throw new PSQLException("postgresql.prep.param",new Integer(i + 1));
- s.append (templateStrings[i]);
- s.append (inStrings[i]);
- }
- s.append(templateStrings[inStrings.length]);
- return super.executeUpdate(s.toString()); // in Statement class
- }
-
- /**
- * Set a parameter to SQL NULL
- *
- *
Note: You must specify the parameters SQL type (although
- * PostgreSQL ignores it)
- *
- * @param parameterIndex the first parameter is 1, etc...
- * @param sqlType the SQL type code defined in java.sql.Types
- * @exception SQLException if a database access error occurs
- */
- public void setNull(int parameterIndex, int sqlType) throws SQLException
- {
- set(parameterIndex, "null");
- }
-
- /**
- * Set a parameter to a Java boolean value. The driver converts this
- * to a SQL BIT value when it sends it to the database.
- *
- * @param parameterIndex the first parameter is 1...
- * @param x the parameter value
- * @exception SQLException if a database access error occurs
- */
- public void setBoolean(int parameterIndex, boolean x) throws SQLException
- {
- set(parameterIndex, x ? "'t'" : "'f'");
- }
-
- /**
- * Set a parameter to a Java byte value. The driver converts this to
- * a SQL TINYINT value when it sends it to the database.
- *
- * @param parameterIndex the first parameter is 1...
- * @param x the parameter value
- * @exception SQLException if a database access error occurs
- */
- public void setByte(int parameterIndex, byte x) throws SQLException
- {
- set(parameterIndex, (new Integer(x)).toString());
- }
-
- /**
- * Set a parameter to a Java short value. The driver converts this
- * to a SQL SMALLINT value when it sends it to the database.
- *
- * @param parameterIndex the first parameter is 1...
- * @param x the parameter value
- * @exception SQLException if a database access error occurs
- */
- public void setShort(int parameterIndex, short x) throws SQLException
- {
- set(parameterIndex, (new Integer(x)).toString());
- }
-
- /**
- * Set a parameter to a Java int value. The driver converts this to
- * a SQL INTEGER value when it sends it to the database.
- *
- * @param parameterIndex the first parameter is 1...
- * @param x the parameter value
- * @exception SQLException if a database access error occurs
- */
- public void setInt(int parameterIndex, int x) throws SQLException
- {
- set(parameterIndex, (new Integer(x)).toString());
- }
-
- /**
- * Set a parameter to a Java long value. The driver converts this to
- * a SQL BIGINT value when it sends it to the database.
- *
- * @param parameterIndex the first parameter is 1...
- * @param x the parameter value
- * @exception SQLException if a database access error occurs
- */
- public void setLong(int parameterIndex, long x) throws SQLException
- {
- set(parameterIndex, (new Long(x)).toString());
- }
-
- /**
- * Set a parameter to a Java float value. The driver converts this
- * to a SQL FLOAT value when it sends it to the database.
- *
- * @param parameterIndex the first parameter is 1...
- * @param x the parameter value
- * @exception SQLException if a database access error occurs
- */
- public void setFloat(int parameterIndex, float x) throws SQLException
- {
- set(parameterIndex, (new Float(x)).toString());
- }
-
- /**
- * Set a parameter to a Java double value. The driver converts this
- * to a SQL DOUBLE value when it sends it to the database
- *
- * @param parameterIndex the first parameter is 1...
- * @param x the parameter value
- * @exception SQLException if a database access error occurs
- */
- public void setDouble(int parameterIndex, double x) throws SQLException
- {
- set(parameterIndex, (new Double(x)).toString());
- }
-
- /**
- * Set a parameter to a java.lang.BigDecimal value. The driver
- * converts this to a SQL NUMERIC value when it sends it to the
- * database.
- *
- * @param parameterIndex the first parameter is 1...
- * @param x the parameter value
- * @exception SQLException if a database access error occurs
- */
- public void setBigDecimal(int parameterIndex, BigDecimal x) throws SQLException
- {
- set(parameterIndex, x.toString());
- }
-
- /**
- * Set a parameter to a Java String value. The driver converts this
- * to a SQL VARCHAR or LONGVARCHAR value (depending on the arguments
- * size relative to the driver's limits on VARCHARs) when it sends it
- * to the database.
- *
- * @param parameterIndex the first parameter is 1...
- * @param x the parameter value
- * @exception SQLException if a database access error occurs
- */
- public void setString(int parameterIndex, String x) throws SQLException
- {
- // if the passed string is null, then set this column to null
- if(x==null)
- set(parameterIndex,"null");
- else {
- StringBuffer b = new StringBuffer();
- int i;
-
- b.append('\'');
- for (i = 0 ; i < x.length() ; ++i)
- {
- char c = x.charAt(i);
- if (c == '\\' || c == '\'')
- b.append((char)'\\');
- b.append(c);
- }
- b.append('\'');
- set(parameterIndex, b.toString());
- }
- }
-
- /**
- * Set a parameter to a Java array of bytes. The driver converts this
- * to a SQL VARBINARY or LONGVARBINARY (depending on the argument's
- * size relative to the driver's limits on VARBINARYs) when it sends
- * it to the database.
- *
- *
With postgresql, this creates a large object, and stores the
- * objects oid in this column.
- *
- * @param parameterIndex the first parameter is 1...
- * @param x the parameter value
- * @exception SQLException if a database access error occurs
- */
- public void setBytes(int parameterIndex, byte x[]) throws SQLException
- {
- LargeObjectManager lom = connection.getLargeObjectAPI();
- int oid = lom.create();
- LargeObject lob = lom.open(oid);
- lob.write(x);
- lob.close();
- setInt(parameterIndex,oid);
- }
-
- /**
- * Set a parameter to a java.sql.Date value. The driver converts this
- * to a SQL DATE value when it sends it to the database.
- *
- * @param parameterIndex the first parameter is 1...
- * @param x the parameter value
- * @exception SQLException if a database access error occurs
- */
- public void setDate(int parameterIndex, java.sql.Date x) throws SQLException
- {
- SimpleDateFormat df = new SimpleDateFormat("''yyyy-MM-dd''");
-
- set(parameterIndex, df.format(x));
-
- // The above is how the date should be handled.
- //
- // However, in JDK's prior to 1.1.6 (confirmed with the
- // Linux jdk1.1.3 and the Win95 JRE1.1.5), SimpleDateFormat seems
- // to format a date to the previous day. So the fix is to add a day
- // before formatting.
- //
- // PS: 86400000 is one day
- //
- //set(parameterIndex, df.format(new java.util.Date(x.getTime()+86400000)));
- }
-
- /**
- * Set a parameter to a java.sql.Time value. The driver converts
- * this to a SQL TIME value when it sends it to the database.
- *
- * @param parameterIndex the first parameter is 1...));
- * @param x the parameter value
- * @exception SQLException if a database access error occurs
- */
- public void setTime(int parameterIndex, Time x) throws SQLException
- {
- set(parameterIndex, "'" + x.toString() + "'");
- }
-
- /**
- * Set a parameter to a java.sql.Timestamp value. The driver converts
- * this to a SQL TIMESTAMP value when it sends it to the database.
- *
- * @param parameterIndex the first parameter is 1...
- * @param x the parameter value
- * @exception SQLException if a database access error occurs
- */
- public void setTimestamp(int parameterIndex, Timestamp x) throws SQLException
- {
- set(parameterIndex, "'" + x.toString() + "'");
- }
-
- /**
- * When a very large ASCII value is input to a LONGVARCHAR parameter,
- * it may be more practical to send it via a java.io.InputStream.
- * JDBC will read the data from the stream as needed, until it reaches
- * end-of-file. The JDBC driver will do any necessary conversion from
- * ASCII to the database char format.
- *
- *
Note: This stream object can either be a standard Java
- * stream object or your own subclass that implements the standard
- * interface.
- *
- * @param parameterIndex the first parameter is 1...
- * @param x the parameter value
- * @param length the number of bytes in the stream
- * @exception SQLException if a database access error occurs
- */
- public void setAsciiStream(int parameterIndex, InputStream x, int length) throws SQLException
- {
- setBinaryStream(parameterIndex, x, length);
- }
-
- /**
- * When a very large Unicode value is input to a LONGVARCHAR parameter,
- * it may be more practical to send it via a java.io.InputStream.
- * JDBC will read the data from the stream as needed, until it reaches
- * end-of-file. The JDBC driver will do any necessary conversion from
- * UNICODE to the database char format.
- *
- * ** DEPRECIATED IN JDBC 2 **
- *
- *
Note: This stream object can either be a standard Java
- * stream object or your own subclass that implements the standard
- * interface.
- *
- * @param parameterIndex the first parameter is 1...
- * @param x the parameter value
- * @exception SQLException if a database access error occurs
- * @deprecated
- */
- public void setUnicodeStream(int parameterIndex, InputStream x, int length) throws SQLException
- {
- setBinaryStream(parameterIndex, x, length);
- }
-
- /**
- * When a very large binary value is input to a LONGVARBINARY parameter,
- * it may be more practical to send it via a java.io.InputStream.
- * JDBC will read the data from the stream as needed, until it reaches
- * end-of-file.
- *
- *
Note: This stream object can either be a standard Java
- * stream object or your own subclass that implements the standard
- * interface.
- *
- * @param parameterIndex the first parameter is 1...
- * @param x the parameter value
- * @exception SQLException if a database access error occurs
- */
- public void setBinaryStream(int parameterIndex, InputStream x, int length) throws SQLException
- {
- throw new PSQLException("postgresql.prep.is");
- }
-
- /**
- * In general, parameter values remain in force for repeated used of a
- * Statement. Setting a parameter value automatically clears its
- * previous value. However, in coms cases, it is useful to immediately
- * release the resources used by the current parameter values; this
- * can be done by calling clearParameters
- *
- * @exception SQLException if a database access error occurs
- */
- public void clearParameters() throws SQLException
- {
- int i;
-
- for (i = 0 ; i < inStrings.length ; i++)
- inStrings[i] = null;
- }
-
- /**
- * Set the value of a parameter using an object; use the java.lang
- * equivalent objects for integral values.
- *
- *
The given Java object will be converted to the targetSqlType before
- * being sent to the database.
- *
- *
note that this method may be used to pass database-specific
- * abstract data types. This is done by using a Driver-specific
- * Java type and using a targetSqlType of java.sql.Types.OTHER
- *
- * @param parameterIndex the first parameter is 1...
- * @param x the object containing the input parameter value
- * @param targetSqlType The SQL type to be send to the database
- * @param scale For java.sql.Types.DECIMAL or java.sql.Types.NUMERIC
- * types this is the number of digits after the decimal. For
- * all other types this value will be ignored.
- * @exception SQLException if a database access error occurs
- */
- public void setObject(int parameterIndex, Object x, int targetSqlType, int scale) throws SQLException
- {
- switch (targetSqlType)
- {
- case Types.TINYINT:
- case Types.SMALLINT:
- case Types.INTEGER:
- case Types.BIGINT:
- case Types.REAL:
- case Types.FLOAT:
- case Types.DOUBLE:
- case Types.DECIMAL:
- case Types.NUMERIC:
- if (x instanceof Boolean)
- set(parameterIndex, ((Boolean)x).booleanValue() ? "1" : "0");
- else
- set(parameterIndex, x.toString());
- break;
- case Types.CHAR:
- case Types.VARCHAR:
- case Types.LONGVARCHAR:
- setString(parameterIndex, x.toString());
- break;
- case Types.DATE:
- setDate(parameterIndex, (java.sql.Date)x);
- break;
- case Types.TIME:
- setTime(parameterIndex, (Time)x);
- break;
- case Types.TIMESTAMP:
- setTimestamp(parameterIndex, (Timestamp)x);
- break;
- case Types.OTHER:
- setString(parameterIndex, ((PGobject)x).getValue());
- break;
- default:
- throw new PSQLException("postgresql.prep.type");
- }
- }
-
- public void setObject(int parameterIndex, Object x, int targetSqlType) throws SQLException
- {
- setObject(parameterIndex, x, targetSqlType, 0);
- }
-
- /**
- * This stores an Object into a parameter.
- *
New for 6.4, if the object is not recognised, but it is
- * Serializable, then the object is serialised using the
- * postgresql.util.Serialize class.
- */
- public void setObject(int parameterIndex, Object x) throws SQLException
- {
- if (x instanceof String)
- setString(parameterIndex, (String)x);
- else if (x instanceof BigDecimal)
- setBigDecimal(parameterIndex, (BigDecimal)x);
- else if (x instanceof Short)
- setShort(parameterIndex, ((Short)x).shortValue());
- else if (x instanceof Integer)
- setInt(parameterIndex, ((Integer)x).intValue());
- else if (x instanceof Long)
- setLong(parameterIndex, ((Long)x).longValue());
- else if (x instanceof Float)
- setFloat(parameterIndex, ((Float)x).floatValue());
- else if (x instanceof Double)
- setDouble(parameterIndex, ((Double)x).doubleValue());
- else if (x instanceof byte[])
- setBytes(parameterIndex, (byte[])x);
- else if (x instanceof java.sql.Date)
- setDate(parameterIndex, (java.sql.Date)x);
- else if (x instanceof Time)
- setTime(parameterIndex, (Time)x);
- else if (x instanceof Timestamp)
- setTimestamp(parameterIndex, (Timestamp)x);
- else if (x instanceof Boolean)
- setBoolean(parameterIndex, ((Boolean)x).booleanValue());
- else if (x instanceof PGobject)
- setString(parameterIndex, ((PGobject)x).getValue());
- else
- setLong(parameterIndex, connection.putObject(x));
- }
-
- /**
- * Some prepared statements return multiple results; the execute method
- * handles these complex statements as well as the simpler form of
- * statements handled by executeQuery and executeUpdate
- *
- * @return true if the next result is a ResultSet; false if it is an
- * update count or there are no more results
- * @exception SQLException if a database access error occurs
- */
- public boolean execute() throws SQLException
- {
- StringBuffer s = new StringBuffer();
- int i;
-
- for (i = 0 ; i < inStrings.length ; ++i)
- {
- if (inStrings[i] == null)
- throw new PSQLException("postgresql.prep.param",new Integer(i + 1));
- s.append (templateStrings[i]);
- s.append (inStrings[i]);
- }
- s.append(templateStrings[inStrings.length]);
- return super.execute(s.toString()); // in Statement class
- }
-
- /**
- * Returns the SQL statement with the current template values
- * substituted.
- */
- public String toString() {
- StringBuffer s = new StringBuffer();
- int i;
-
- for (i = 0 ; i < inStrings.length ; ++i)
- {
- if (inStrings[i] == null)
- s.append( '?' );
- else
- s.append (templateStrings[i]);
- s.append (inStrings[i]);
- }
- s.append(templateStrings[inStrings.length]);
- return s.toString();
- }
-
- // **************************************************************
- // END OF PUBLIC INTERFACE
- // **************************************************************
-
- /**
- * There are a lot of setXXX classes which all basically do
- * the same thing. We need a method which actually does the
- * set for us.
- *
- * @param paramIndex the index into the inString
- * @param s a string to be stored
- * @exception SQLException if something goes wrong
- */
- private void set(int paramIndex, String s) throws SQLException
- {
- if (paramIndex < 1 || paramIndex > inStrings.length)
- throw new PSQLException("postgresql.prep.range");
- inStrings[paramIndex - 1] = s;
- }
-
- // ** JDBC 2 Extensions **
-
- public void addBatch() throws SQLException
- {
- throw postgresql.Driver.notImplemented();
- }
-
- public java.sql.ResultSetMetaData getMetaData() throws SQLException
- {
- throw postgresql.Driver.notImplemented();
- }
-
- public void setArray(int i,Array x) throws SQLException
- {
- throw postgresql.Driver.notImplemented();
- }
-
- public void setBlob(int i,Blob x) throws SQLException
- {
- throw postgresql.Driver.notImplemented();
- }
-
- public void setCharacterStream(int i,java.io.Reader x,int length) throws SQLException
- {
- throw postgresql.Driver.notImplemented();
- }
-
- public void setClob(int i,Clob x) throws SQLException
- {
- throw postgresql.Driver.notImplemented();
- }
-
- public void setNull(int i,int t,String s) throws SQLException
- {
- throw postgresql.Driver.notImplemented();
- }
-
- public void setRef(int i,Ref x) throws SQLException
- {
- throw postgresql.Driver.notImplemented();
- }
-
- public void setDate(int i,java.sql.Date d,java.util.Calendar cal) throws SQLException
- {
- throw postgresql.Driver.notImplemented();
- }
-
- public void setTime(int i,Time t,java.util.Calendar cal) throws SQLException
- {
- throw postgresql.Driver.notImplemented();
- }
-
- public void setTimestamp(int i,Timestamp t,java.util.Calendar cal) throws SQLException
- {
- throw postgresql.Driver.notImplemented();
- }
-
-}
+++ /dev/null
-package postgresql.jdbc2;
-
-// IMPORTANT NOTE: This file implements the JDBC 2 version of the driver.
-// If you make any modifications to this file, you must make sure that the
-// changes are also made (if relevent) to the related JDBC 1 class in the
-// postgresql.jdbc1 package.
-
-
-import java.lang.*;
-import java.io.*;
-import java.math.*;
-import java.text.*;
-import java.util.*;
-import java.sql.*;
-import postgresql.Field;
-import postgresql.largeobject.*;
-import postgresql.util.*;
-
-/**
- * A ResultSet provides access to a table of data generated by executing a
- * Statement. The table rows are retrieved in sequence. Within a row its
- * column values can be accessed in any order.
- *
- *
A ResultSet maintains a cursor pointing to its current row of data.
- * Initially the cursor is positioned before the first row. The 'next'
- * method moves the cursor to the next row.
- *
- *
The getXXX methods retrieve column values for the current row. You can
- * retrieve values either using the index number of the column, or by using
- * the name of the column. In general using the column index will be more
- * efficient. Columns are numbered from 1.
- *
- *
For maximum portability, ResultSet columns within each row should be read
- * in left-to-right order and each column should be read only once.
- *
- *
For the getXXX methods, the JDBC driver attempts to convert the
- * underlying data to the specified Java type and returns a suitable Java
- * value. See the JDBC specification for allowable mappings from SQL types
- * to Java types with the ResultSet getXXX methods.
- *
- *
Column names used as input to getXXX methods are case insenstive. When
- * performing a getXXX using a column name, if several columns have the same
- * name, then the value of the first matching column will be returned. The
- * column name option is designed to be used when column names are used in the
- * SQL Query. For columns that are NOT explicitly named in the query, it is
- * best to use column numbers. If column names were used there is no way for
- * the programmer to guarentee that they actually refer to the intended
- * columns.
- *
- *
A ResultSet is automatically closed by the Statement that generated it
- * when that Statement is closed, re-executed, or is used to retrieve the
- * next result from a sequence of multiple results.
- *
- *
The number, types and properties of a ResultSet's columns are provided by
- * the ResultSetMetaData object returned by the getMetaData method.
- *
- * @see ResultSetMetaData
- * @see java.sql.ResultSet
- */
-public class ResultSet extends postgresql.ResultSet implements java.sql.ResultSet
-{
- /**
- * Create a new ResultSet - Note that we create ResultSets to
- * represent the results of everything.
- *
- * @param fields an array of Field objects (basically, the
- * ResultSet MetaData)
- * @param tuples Vector of the actual data
- * @param status the status string returned from the back end
- * @param updateCount the number of rows affected by the operation
- * @param cursor the positioned update/delete cursor name
- */
- public ResultSet(Connection conn, Field[] fields, Vector tuples, String status, int updateCount)
- {
- super(conn,fields,tuples,status,updateCount);
- }
-
- /**
- * A ResultSet is initially positioned before its first row,
- * the first call to next makes the first row the current row;
- * the second call makes the second row the current row, etc.
- *
- *
If an input stream from the previous row is open, it is
- * implicitly closed. The ResultSet's warning chain is cleared
- * when a new row is read
- *
- * @return true if the new current is valid; false if there are no
- * more rows
- * @exception SQLException if a database access error occurs
- */
- public boolean next() throws SQLException
- {
- if (++current_row >= rows.size())
- return false;
- this_row = (byte [][])rows.elementAt(current_row);
- return true;
- }
-
- /**
- * In some cases, it is desirable to immediately release a ResultSet
- * database and JDBC resources instead of waiting for this to happen
- * when it is automatically closed. The close method provides this
- * immediate release.
- *
- *
Note: A ResultSet is automatically closed by the Statement
- * the Statement that generated it when that Statement is closed,
- * re-executed, or is used to retrieve the next result from a sequence
- * of multiple results. A ResultSet is also automatically closed
- * when it is garbage collected.
- *
- * @exception SQLException if a database access error occurs
- */
- public void close() throws SQLException
- {
- // No-op
- }
-
- /**
- * A column may have the value of SQL NULL; wasNull() reports whether
- * the last column read had this special value. Note that you must
- * first call getXXX on a column to try to read its value and then
- * call wasNull() to find if the value was SQL NULL
- *
- * @return true if the last column read was SQL NULL
- * @exception SQLException if a database access error occurred
- */
- public boolean wasNull() throws SQLException
- {
- return wasNullFlag;
- }
-
- /**
- * Get the value of a column in the current row as a Java String
- *
- * @param columnIndex the first column is 1, the second is 2...
- * @return the column value, null for SQL NULL
- * @exception SQLException if a database access error occurs
- */
- public String getString(int columnIndex) throws SQLException
- {
- //byte[] bytes = getBytes(columnIndex);
- //
- //if (bytes == null)
- //return null;
- //return new String(bytes);
- if (columnIndex < 1 || columnIndex > fields.length)
- throw new PSQLException("postgresql.res.colrange");
- wasNullFlag = (this_row[columnIndex - 1] == null);
- if(wasNullFlag)
- return null;
- return new String(this_row[columnIndex - 1]);
- }
-
- /**
- * Get the value of a column in the current row as a Java boolean
- *
- * @param columnIndex the first column is 1, the second is 2...
- * @return the column value, false for SQL NULL
- * @exception SQLException if a database access error occurs
- */
- public boolean getBoolean(int columnIndex) throws SQLException
- {
- String s = getString(columnIndex);
-
- if (s != null)
- {
- int c = s.charAt(0);
- return ((c == 't') || (c == 'T'));
- }
- return false; // SQL NULL
- }
-
- /**
- * Get the value of a column in the current row as a Java byte.
- *
- * @param columnIndex the first column is 1, the second is 2,...
- * @return the column value; 0 if SQL NULL
- * @exception SQLException if a database access error occurs
- */
- public byte getByte(int columnIndex) throws SQLException
- {
- String s = getString(columnIndex);
-
- if (s != null)
- {
- try
- {
- return Byte.parseByte(s);
- } catch (NumberFormatException e) {
- throw new PSQLException("postgresql.res.badbyte",s);
- }
- }
- return 0; // SQL NULL
- }
-
- /**
- * Get the value of a column in the current row as a Java short.
- *
- * @param columnIndex the first column is 1, the second is 2,...
- * @return the column value; 0 if SQL NULL
- * @exception SQLException if a database access error occurs
- */
- public short getShort(int columnIndex) throws SQLException
- {
- String s = getString(columnIndex);
-
- if (s != null)
- {
- try
- {
- return Short.parseShort(s);
- } catch (NumberFormatException e) {
- throw new PSQLException("postgresql.res.badshort",s);
- }
- }
- return 0; // SQL NULL
- }
-
- /**
- * Get the value of a column in the current row as a Java int.
- *
- * @param columnIndex the first column is 1, the second is 2,...
- * @return the column value; 0 if SQL NULL
- * @exception SQLException if a database access error occurs
- */
- public int getInt(int columnIndex) throws SQLException
- {
- String s = getString(columnIndex);
-
- if (s != null)
- {
- try
- {
- return Integer.parseInt(s);
- } catch (NumberFormatException e) {
- throw new PSQLException ("postgresql.res.badint",s);
- }
- }
- return 0; // SQL NULL
- }
-
- /**
- * Get the value of a column in the current row as a Java long.
- *
- * @param columnIndex the first column is 1, the second is 2,...
- * @return the column value; 0 if SQL NULL
- * @exception SQLException if a database access error occurs
- */
- public long getLong(int columnIndex) throws SQLException
- {
- String s = getString(columnIndex);
-
- if (s != null)
- {
- try
- {
- return Long.parseLong(s);
- } catch (NumberFormatException e) {
- throw new PSQLException ("postgresql.res.badlong",s);
- }
- }
- return 0; // SQL NULL
- }
-
- /**
- * Get the value of a column in the current row as a Java float.
- *
- * @param columnIndex the first column is 1, the second is 2,...
- * @return the column value; 0 if SQL NULL
- * @exception SQLException if a database access error occurs
- */
- public float getFloat(int columnIndex) throws SQLException
- {
- String s = getString(columnIndex);
-
- if (s != null)
- {
- try
- {
- return Float.valueOf(s).floatValue();
- } catch (NumberFormatException e) {
- throw new PSQLException ("postgresql.res.badfloat",s);
- }
- }
- return 0; // SQL NULL
- }
-
- /**
- * Get the value of a column in the current row as a Java double.
- *
- * @param columnIndex the first column is 1, the second is 2,...
- * @return the column value; 0 if SQL NULL
- * @exception SQLException if a database access error occurs
- */
- public double getDouble(int columnIndex) throws SQLException
- {
- String s = getString(columnIndex);
-
- if (s != null)
- {
- try
- {
- return Double.valueOf(s).doubleValue();
- } catch (NumberFormatException e) {
- throw new PSQLException ("postgresql.res.baddouble",s);
- }
- }
- return 0; // SQL NULL
- }
-
- /**
- * Get the value of a column in the current row as a
- * java.math.BigDecimal object
- *
- * @param columnIndex the first column is 1, the second is 2...
- * @param scale the number of digits to the right of the decimal
- * @return the column value; if the value is SQL NULL, null
- * @exception SQLException if a database access error occurs
- * @deprecated
- */
- public BigDecimal getBigDecimal(int columnIndex, int scale) throws SQLException
- {
- String s = getString(columnIndex);
- BigDecimal val;
-
- if (s != null)
- {
- try
- {
- val = new BigDecimal(s);
- } catch (NumberFormatException e) {
- throw new PSQLException ("postgresql.res.badbigdec",s);
- }
- try
- {
- return val.setScale(scale);
- } catch (ArithmeticException e) {
- throw new PSQLException ("postgresql.res.badbigdec",s);
- }
- }
- return null; // SQL NULL
- }
-
- /**
- * Get the value of a column in the current row as a Java byte array.
- *
- *
In normal use, the bytes represent the raw values returned by the
- * backend. However, if the column is an OID, then it is assumed to
- * refer to a Large Object, and that object is returned as a byte array.
- *
- *
Be warned If the large object is huge, then you may run out
- * of memory.
- *
- * @param columnIndex the first column is 1, the second is 2, ...
- * @return the column value; if the value is SQL NULL, the result
- * is null
- * @exception SQLException if a database access error occurs
- */
- public byte[] getBytes(int columnIndex) throws SQLException
- {
- if (columnIndex < 1 || columnIndex > fields.length)
- throw new PSQLException("postgresql.res.colrange");
- wasNullFlag = (this_row[columnIndex - 1] == null);
-
- // Handle OID's as BLOBS
- if(!wasNullFlag)
- if( fields[columnIndex - 1].getOID() == 26) {
- LargeObjectManager lom = connection.getLargeObjectAPI();
- LargeObject lob = lom.open(getInt(columnIndex));
- byte buf[] = lob.read(lob.size());
- lob.close();
- return buf;
- }
-
- return this_row[columnIndex - 1];
- }
-
- /**
- * Get the value of a column in the current row as a java.sql.Date
- * object
- *
- * @param columnIndex the first column is 1, the second is 2...
- * @return the column value; null if SQL NULL
- * @exception SQLException if a database access error occurs
- */
- public java.sql.Date getDate(int columnIndex) throws SQLException
- {
- String s = getString(columnIndex);
- if(s==null)
- return null;
- SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd");
- try {
- return new java.sql.Date(df.parse(s).getTime());
- } catch (ParseException e) {
- throw new PSQLException("postgresql.res.baddate",new Integer(e.getErrorOffset()),s);
- }
- }
-
- /**
- * Get the value of a column in the current row as a java.sql.Time
- * object
- *
- * @param columnIndex the first column is 1, the second is 2...
- * @return the column value; null if SQL NULL
- * @exception SQLException if a database access error occurs
- */
- public Time getTime(int columnIndex) throws SQLException
- {
- String s = getString(columnIndex);
-
- if (s != null)
- {
- try
- {
- if (s.length() != 5 && s.length() != 8)
- throw new NumberFormatException("Wrong Length!");
- int hr = Integer.parseInt(s.substring(0,2));
- int min = Integer.parseInt(s.substring(3,5));
- int sec = (s.length() == 5) ? 0 : Integer.parseInt(s.substring(6));
- return new Time(hr, min, sec);
- } catch (NumberFormatException e) {
- throw new PSQLException ("postgresql.res.badtime",s);
- }
- }
- return null; // SQL NULL
- }
-
- /**
- * Get the value of a column in the current row as a
- * java.sql.Timestamp object
- *
- * @param columnIndex the first column is 1, the second is 2...
- * @return the column value; null if SQL NULL
- * @exception SQLException if a database access error occurs
- */
- public Timestamp getTimestamp(int columnIndex) throws SQLException
- {
- String s = getString(columnIndex);
- if(s==null)
- return null;
-
- SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:sszzz");
-
- try {
- return new Timestamp(df.parse(s).getTime());
- } catch(ParseException e) {
- throw new PSQLException("postgresql.res.badtimestamp",new Integer(e.getErrorOffset()),s);
- }
- }
-
- /**
- * A column value can be retrieved as a stream of ASCII characters
- * and then read in chunks from the stream. This method is
- * particular suitable for retrieving large LONGVARCHAR values.
- * The JDBC driver will do any necessary conversion from the
- * database format into ASCII.
- *
- *
Note: All the data in the returned stream must be read
- * prior to getting the value of any other column. The next call
- * to a get method implicitly closes the stream. Also, a stream
- * may return 0 for available() whether there is data available
- * or not.
- *
- *
We implement an ASCII stream as a Binary stream - we should really
- * do the data conversion, but I cannot be bothered to implement this
- * right now.
- *
- * @param columnIndex the first column is 1, the second is 2, ...
- * @return a Java InputStream that delivers the database column
- * value as a stream of one byte ASCII characters. If the
- * value is SQL NULL then the result is null
- * @exception SQLException if a database access error occurs
- * @see getBinaryStream
- */
- public InputStream getAsciiStream(int columnIndex) throws SQLException
- {
- return getBinaryStream(columnIndex);
- }
-
- /**
- * A column value can also be retrieved as a stream of Unicode
- * characters. We implement this as a binary stream.
- *
- * ** DEPRECATED IN JDBC 2 **
- *
- * @param columnIndex the first column is 1, the second is 2...
- * @return a Java InputStream that delivers the database column value
- * as a stream of two byte Unicode characters. If the value is
- * SQL NULL, then the result is null
- * @exception SQLException if a database access error occurs
- * @see getAsciiStream
- * @see getBinaryStream
- * @deprecated
- */
- public InputStream getUnicodeStream(int columnIndex) throws SQLException
- {
- return getBinaryStream(columnIndex);
- }
-
- /**
- * A column value can also be retrieved as a binary strea. This
- * method is suitable for retrieving LONGVARBINARY values.
- *
- * @param columnIndex the first column is 1, the second is 2...
- * @return a Java InputStream that delivers the database column value
- * as a stream of bytes. If the value is SQL NULL, then the result
- * is null
- * @exception SQLException if a database access error occurs
- * @see getAsciiStream
- * @see getUnicodeStream
- */
- public InputStream getBinaryStream(int columnIndex) throws SQLException
- {
- byte b[] = getBytes(columnIndex);
-
- if (b != null)
- return new ByteArrayInputStream(b);
- return null; // SQL NULL
- }
-
- /**
- * The following routines simply convert the columnName into
- * a columnIndex and then call the appropriate routine above.
- *
- * @param columnName is the SQL name of the column
- * @return the column value
- * @exception SQLException if a database access error occurs
- */
- public String getString(String columnName) throws SQLException
- {
- return getString(findColumn(columnName));
- }
-
- public boolean getBoolean(String columnName) throws SQLException
- {
- return getBoolean(findColumn(columnName));
- }
-
- public byte getByte(String columnName) throws SQLException
- {
-
- return getByte(findColumn(columnName));
- }
-
- public short getShort(String columnName) throws SQLException
- {
- return getShort(findColumn(columnName));
- }
-
- public int getInt(String columnName) throws SQLException
- {
- return getInt(findColumn(columnName));
- }
-
- public long getLong(String columnName) throws SQLException
- {
- return getLong(findColumn(columnName));
- }
-
- public float getFloat(String columnName) throws SQLException
- {
- return getFloat(findColumn(columnName));
- }
-
- public double getDouble(String columnName) throws SQLException
- {
- return getDouble(findColumn(columnName));
- }
-
- /**
- * @deprecated
- */
- public BigDecimal getBigDecimal(String columnName, int scale) throws SQLException
- {
- return getBigDecimal(findColumn(columnName), scale);
- }
-
- public byte[] getBytes(String columnName) throws SQLException
- {
- return getBytes(findColumn(columnName));
- }
-
- public java.sql.Date getDate(String columnName) throws SQLException
- {
- return getDate(findColumn(columnName));
- }
-
- public Time getTime(String columnName) throws SQLException
- {
- return getTime(findColumn(columnName));
- }
-
- public Timestamp getTimestamp(String columnName) throws SQLException
- {
- return getTimestamp(findColumn(columnName));
- }
-
- public InputStream getAsciiStream(String columnName) throws SQLException
- {
- return getAsciiStream(findColumn(columnName));
- }
-
- /**
- *
- * ** DEPRECATED IN JDBC 2 **
- *
- * @deprecated
- */
- public InputStream getUnicodeStream(String columnName) throws SQLException
- {
- return getUnicodeStream(findColumn(columnName));
- }
-
- public InputStream getBinaryStream(String columnName) throws SQLException
- {
- return getBinaryStream(findColumn(columnName));
- }
-
- /**
- * The first warning reported by calls on this ResultSet is
- * returned. Subsequent ResultSet warnings will be chained
- * to this SQLWarning.
- *
- *
The warning chain is automatically cleared each time a new
- * row is read.
- *
- *
Note: This warning chain only covers warnings caused by
- * ResultSet methods. Any warnings caused by statement methods
- * (such as reading OUT parameters) will be chained on the
- * Statement object.
- *
- * @return the first SQLWarning or null;
- * @exception SQLException if a database access error occurs.
- */
- public SQLWarning getWarnings() throws SQLException
- {
- return warnings;
- }
-
- /**
- * After this call, getWarnings returns null until a new warning
- * is reported for this ResultSet
- *
- * @exception SQLException if a database access error occurs
- */
- public void clearWarnings() throws SQLException
- {
- warnings = null;
- }
-
- /**
- * Get the name of the SQL cursor used by this ResultSet
- *
- *
In SQL, a result table is retrieved though a cursor that is
- * named. The current row of a result can be updated or deleted
- * using a positioned update/delete statement that references
- * the cursor name.
- *
- *
JDBC supports this SQL feature by providing the name of the
- * SQL cursor used by a ResultSet. The current row of a ResulSet
- * is also the current row of this SQL cursor.
- *
- *
Note: If positioned update is not supported, a SQLException
- * is thrown.
- *
- * @return the ResultSet's SQL cursor name.
- * @exception SQLException if a database access error occurs
- */
- public String getCursorName() throws SQLException
- {
- return connection.getCursorName();
- }
-
- /**
- * The numbers, types and properties of a ResultSet's columns are
- * provided by the getMetaData method
- *
- * @return a description of the ResultSet's columns
- * @exception SQLException if a database access error occurs
- */
- public java.sql.ResultSetMetaData getMetaData() throws SQLException
- {
- return new ResultSetMetaData(rows, fields);
- }
-
- /**
- * Get the value of a column in the current row as a Java object
- *
- *
This method will return the value of the given column as a
- * Java object. The type of the Java object will be the default
- * Java Object type corresponding to the column's SQL type, following
- * the mapping specified in the JDBC specification.
- *
- *
This method may also be used to read database specific abstract
- * data types.
- *
- * @param columnIndex the first column is 1, the second is 2...
- * @return a Object holding the column value
- * @exception SQLException if a database access error occurs
- */
- public Object getObject(int columnIndex) throws SQLException
- {
- Field field;
-
- if (columnIndex < 1 || columnIndex > fields.length)
- throw new PSQLException("postgresql.res.colrange");
- field = fields[columnIndex - 1];
-
- // some fields can be null, mainly from those returned by MetaData methods
- if(field==null) {
- wasNullFlag=true;
- return null;
- }
-
- switch (field.getSQLType())
- {
- case Types.BIT:
- return new Boolean(getBoolean(columnIndex));
- case Types.SMALLINT:
- return new Integer(getInt(columnIndex));
- case Types.INTEGER:
- return new Integer(getInt(columnIndex));
- case Types.BIGINT:
- return new Long(getLong(columnIndex));
- case Types.NUMERIC:
- return getBigDecimal(columnIndex, ((field.mod-4) & 0xffff));
- case Types.REAL:
- return new Float(getFloat(columnIndex));
- case Types.DOUBLE:
- return new Double(getDouble(columnIndex));
- case Types.CHAR:
- case Types.VARCHAR:
- return getString(columnIndex);
- case Types.DATE:
- return getDate(columnIndex);
- case Types.TIME:
- return getTime(columnIndex);
- case Types.TIMESTAMP:
- return getTimestamp(columnIndex);
- default:
- return connection.getObject(field.getTypeName(), getString(columnIndex));
- }
- }
-
- /**
- * Get the value of a column in the current row as a Java object
- *
- *
This method will return the value of the given column as a
- * Java object. The type of the Java object will be the default
- * Java Object type corresponding to the column's SQL type, following
- * the mapping specified in the JDBC specification.
- *
- *
This method may also be used to read database specific abstract
- * data types.
- *
- * @param columnName is the SQL name of the column
- * @return a Object holding the column value
- * @exception SQLException if a database access error occurs
- */
- public Object getObject(String columnName) throws SQLException
- {
- return getObject(findColumn(columnName));
- }
-
- /**
- * Map a ResultSet column name to a ResultSet column index
- *
- * @param columnName the name of the column
- * @return the column index
- * @exception SQLException if a database access error occurs
- */
- public int findColumn(String columnName) throws SQLException
- {
- int i;
-
- for (i = 0 ; i < fields.length; ++i)
- if (fields[i].name.equalsIgnoreCase(columnName))
- return (i+1);
- throw new PSQLException ("postgresql.res.colname",columnName);
- }
-
- // ** JDBC 2 Extensions **
-
- public boolean absolute(int index) throws SQLException
- {
- if (index < 0 || index > rows.size())
- return false;
- this_row = (byte [][])rows.elementAt(index);
- return true;
- }
-
- public void afterLast() throws SQLException
- {
- throw postgresql.Driver.notImplemented();
- }
-
- public void beforeFirst() throws SQLException
- {
- throw postgresql.Driver.notImplemented();
- }
-
- public void cancelRowUpdates() throws SQLException
- {
- throw postgresql.Driver.notImplemented();
- }
-
- public void deleteRow() throws SQLException
- {
- throw postgresql.Driver.notImplemented();
- }
-
- public boolean first() throws SQLException
- {
- if (rows.size() <= 0)
- return false;
- current_row = 0;
- this_row = (byte [][])rows.elementAt(current_row);
- return true;
- }
-
- public Array getArray(String colName) throws SQLException
- {
- return getArray(findColumn(colName));
- }
-
- public Array getArray(int i) throws SQLException
- {
- throw postgresql.Driver.notImplemented();
- }
-
- public java.math.BigDecimal getBigDecimal(int columnIndex) throws SQLException
- {
- throw postgresql.Driver.notImplemented();
- }
-
- public java.math.BigDecimal getBigDecimal(String columnName) throws SQLException
- {
- return getBigDecimal(findColumn(columnName));
- }
-
- public Blob getBlob(String columnName) throws SQLException
- {
- return getBlob(findColumn(columnName));
- }
-
- public Blob getBlob(int i) throws SQLException
- {
- throw postgresql.Driver.notImplemented();
- }
-
- public java.io.Reader getCharacterStream(String columnName) throws SQLException
- {
- return getCharacterStream(findColumn(columnName));
- }
-
- public java.io.Reader getCharacterStream(int i) throws SQLException
- {
- throw postgresql.Driver.notImplemented();
- }
-
- public Clob getClob(String columnName) throws SQLException
- {
- return getClob(findColumn(columnName));
- }
-
- public Clob getClob(int i) throws SQLException
- {
- throw postgresql.Driver.notImplemented();
- }
-
- public int getConcurrency() throws SQLException
- {
- throw postgresql.Driver.notImplemented();
- }
-
- public java.sql.Date getDate(int i,java.util.Calendar cal) throws SQLException
- {
- throw postgresql.Driver.notImplemented();
- }
-
- public Time getTime(int i,java.util.Calendar cal) throws SQLException
- {
- throw postgresql.Driver.notImplemented();
- }
-
- public Timestamp getTimestamp(int i,java.util.Calendar cal) throws SQLException
- {
- throw postgresql.Driver.notImplemented();
- }
-
- public java.sql.Date getDate(String c,java.util.Calendar cal) throws SQLException
- {
- return getDate(findColumn(c),cal);
- }
-
- public Time getTime(String c,java.util.Calendar cal) throws SQLException
- {
- return getTime(findColumn(c),cal);
- }
-
- public Timestamp getTimestamp(String c,java.util.Calendar cal) throws SQLException
- {
- return getTimestamp(findColumn(c),cal);
- }
-
- public int getFetchDirection() throws SQLException
- {
- throw postgresql.Driver.notImplemented();
- }
-
- public int getFetchSize() throws SQLException
- {
- throw postgresql.Driver.notImplemented();
- }
-
- public int getKeysetSize() throws SQLException
- {
- throw postgresql.Driver.notImplemented();
- }
-
- public Object getObject(String columnName,java.util.Map map) throws SQLException
- {
- return getObject(findColumn(columnName),map);
- }
-
- public Object getObject(int i,java.util.Map map) throws SQLException
- {
- throw postgresql.Driver.notImplemented();
- }
-
- public Ref getRef(String columnName) throws SQLException
- {
- return getRef(findColumn(columnName));
- }
-
- public Ref getRef(int i) throws SQLException
- {
- throw postgresql.Driver.notImplemented();
- }
-
- public int getRow() throws SQLException
- {
- return current_row;
- }
-
- // This one needs some thought, as not all ResultSets come from a statement
- public java.sql.Statement getStatement() throws SQLException
- {
- throw postgresql.Driver.notImplemented();
- }
-
- public int getType() throws SQLException
- {
- throw postgresql.Driver.notImplemented();
- }
-
- public void insertRow() throws SQLException
- {
- throw postgresql.Driver.notImplemented();
- }
-
- public boolean isAfterLast() throws SQLException
- {
- throw postgresql.Driver.notImplemented();
- }
-
- public boolean isBeforeFirst() throws SQLException
- {
- throw postgresql.Driver.notImplemented();
- }
-
- public boolean isFirst() throws SQLException
- {
- throw postgresql.Driver.notImplemented();
- }
-
- public boolean isLast() throws SQLException
- {
- throw postgresql.Driver.notImplemented();
- }
-
- public boolean last() throws SQLException
- {
- if (rows.size() <= 0)
- return false;
- current_row = rows.size() - 1;
- this_row = (byte [][])rows.elementAt(current_row);
- return true;
- }
-
- public void moveToCurrentRow() throws SQLException
- {
- throw postgresql.Driver.notImplemented();
- }
-
- public void moveToInsertRow() throws SQLException
- {
- throw postgresql.Driver.notImplemented();
- }
-
- public boolean previous() throws SQLException
- {
- if (--current_row < 0)
- return false;
- this_row = (byte [][])rows.elementAt(current_row);
- return true;
- }
-
- public void refreshRow() throws SQLException
- {
- throw postgresql.Driver.notImplemented();
- }
-
- public boolean relative(int rows) throws SQLException
- {
- throw postgresql.Driver.notImplemented();
- }
-
- public boolean rowDeleted() throws SQLException
- {
- throw postgresql.Driver.notImplemented();
- }
-
- public boolean rowInserted() throws SQLException
- {
- throw postgresql.Driver.notImplemented();
- }
-
- public boolean rowUpdated() throws SQLException
- {
- throw postgresql.Driver.notImplemented();
- }
-
- public void setFetchDirection(int direction) throws SQLException
- {
- throw postgresql.Driver.notImplemented();
- }
-
- public void setFetchSize(int rows) throws SQLException
- {
- throw postgresql.Driver.notImplemented();
- }
-
- public void setKeysetSize(int keys) throws SQLException
- {
- throw postgresql.Driver.notImplemented();
- }
-
- public void updateAsciiStream(int columnIndex,
- java.io.InputStream x,
- int length
- ) throws SQLException
- {
- throw postgresql.Driver.notImplemented();
- }
-
- public void updateAsciiStream(String columnName,
- java.io.InputStream x,
- int length
- ) throws SQLException
- {
- updateAsciiStream(findColumn(columnName),x,length);
- }
-
- public void updateBigDecimal(int columnIndex,
- java.math.BigDecimal x
- ) throws SQLException
- {
- throw postgresql.Driver.notImplemented();
- }
-
- public void updateBigDecimal(String columnName,
- java.math.BigDecimal x
- ) throws SQLException
- {
- updateBigDecimal(findColumn(columnName),x);
- }
-
- public void updateBinaryStream(int columnIndex,
- java.io.InputStream x,
- int length
- ) throws SQLException
- {
- throw postgresql.Driver.notImplemented();
- }
-
- public void updateBinaryStream(String columnName,
- java.io.InputStream x,
- int length
- ) throws SQLException
- {
- updateBinaryStream(findColumn(columnName),x,length);
- }
-
- public void updateBoolean(int columnIndex,boolean x) throws SQLException
- {
- throw postgresql.Driver.notImplemented();
- }
-
- public void updateBoolean(String columnName,boolean x) throws SQLException
- {
- updateBoolean(findColumn(columnName),x);
- }
-
- public void updateByte(int columnIndex,byte x) throws SQLException
- {
- throw postgresql.Driver.notImplemented();
- }
-
- public void updateByte(String columnName,byte x) throws SQLException
- {
- updateByte(findColumn(columnName),x);
- }
-
- public void updateBytes(String columnName,byte[] x) throws SQLException
- {
- updateBytes(findColumn(columnName),x);
- }
-
- public void updateBytes(int columnIndex,byte[] x) throws SQLException
- {
- throw postgresql.Driver.notImplemented();
- }
-
- public void updateCharacterStream(int columnIndex,
- java.io.Reader x,
- int length
- ) throws SQLException
- {
- throw postgresql.Driver.notImplemented();
- }
-
- public void updateCharacterStream(String columnName,
- java.io.Reader x,
- int length
- ) throws SQLException
- {
- updateCharacterStream(findColumn(columnName),x,length);
- }
-
- public void updateDate(int columnIndex,java.sql.Date x) throws SQLException
- {
- throw postgresql.Driver.notImplemented();
- }
-
- public void updateDate(String columnName,java.sql.Date x) throws SQLException
- {
- updateDate(findColumn(columnName),x);
- }
-
- public void updateDouble(int columnIndex,double x) throws SQLException
- {
- throw postgresql.Driver.notImplemented();
- }
-
- public void updateDouble(String columnName,double x) throws SQLException
- {
- updateDouble(findColumn(columnName),x);
- }
-
- public void updateFloat(int columnIndex,float x) throws SQLException
- {
- throw postgresql.Driver.notImplemented();
- }
-
- public void updateFloat(String columnName,float x) throws SQLException
- {
- updateFloat(findColumn(columnName),x);
- }
-
- public void updateInt(int columnIndex,int x) throws SQLException
- {
- throw postgresql.Driver.notImplemented();
- }
-
- public void updateInt(String columnName,int x) throws SQLException
- {
- updateInt(findColumn(columnName),x);
- }
-
- public void updateLong(int columnIndex,long x) throws SQLException
- {
- throw postgresql.Driver.notImplemented();
- }
-
- public void updateLong(String columnName,long x) throws SQLException
- {
- updateLong(findColumn(columnName),x);
- }
-
- public void updateNull(int columnIndex) throws SQLException
- {
- throw postgresql.Driver.notImplemented();
- }
-
- public void updateNull(String columnName) throws SQLException
- {
- updateNull(findColumn(columnName));
- }
-
- public void updateObject(int columnIndex,Object x) throws SQLException
- {
- throw postgresql.Driver.notImplemented();
- }
-
- public void updateObject(String columnName,Object x) throws SQLException
- {
- updateObject(findColumn(columnName),x);
- }
-
- public void updateObject(int columnIndex,Object x,int scale) throws SQLException
- {
- throw postgresql.Driver.notImplemented();
- }
-
- public void updateObject(String columnName,Object x,int scale) throws SQLException
- {
- updateObject(findColumn(columnName),x,scale);
- }
-
- public void updateRow() throws SQLException
- {
- throw postgresql.Driver.notImplemented();
- }
-
- public void updateShort(int columnIndex,short x) throws SQLException
- {
- throw postgresql.Driver.notImplemented();
- }
-
- public void updateShort(String columnName,short x) throws SQLException
- {
- updateShort(findColumn(columnName),x);
- }
-
- public void updateString(int columnIndex,String x) throws SQLException
- {
- throw postgresql.Driver.notImplemented();
- }
-
- public void updateString(String columnName,String x) throws SQLException
- {
- updateString(findColumn(columnName),x);
- }
-
- public void updateTime(int columnIndex,Time x) throws SQLException
- {
- throw postgresql.Driver.notImplemented();
- }
-
- public void updateTime(String columnName,Time x) throws SQLException
- {
- updateTime(findColumn(columnName),x);
- }
-
- public void updateTimestamp(int columnIndex,Timestamp x) throws SQLException
- {
- throw postgresql.Driver.notImplemented();
- }
-
- public void updateTimestamp(String columnName,Timestamp x) throws SQLException
- {
- updateTimestamp(findColumn(columnName),x);
- }
-
-}
-
+++ /dev/null
-package postgresql.jdbc2;
-
-// IMPORTANT NOTE: This file implements the JDBC 2 version of the driver.
-// If you make any modifications to this file, you must make sure that the
-// changes are also made (if relevent) to the related JDBC 1 class in the
-// postgresql.jdbc1 package.
-
-import java.lang.*;
-import java.sql.*;
-import java.util.*;
-import postgresql.*;
-import postgresql.util.*;
-
-/**
- * A ResultSetMetaData object can be used to find out about the types and
- * properties of the columns in a ResultSet
- *
- * @see java.sql.ResultSetMetaData
- */
-public class ResultSetMetaData implements java.sql.ResultSetMetaData
-{
- Vector rows;
- Field[] fields;
-
- /**
- * Initialise for a result with a tuple set and
- * a field descriptor set
- *
- * @param rows the Vector of rows returned by the ResultSet
- * @param fields the array of field descriptors
- */
- public ResultSetMetaData(Vector rows, Field[] fields)
- {
- this.rows = rows;
- this.fields = fields;
- }
-
- /**
- * Whats the number of columns in the ResultSet?
- *
- * @return the number
- * @exception SQLException if a database access error occurs
- */
- public int getColumnCount() throws SQLException
- {
- return fields.length;
- }
-
- /**
- * Is the column automatically numbered (and thus read-only)
- * I believe that PostgreSQL does not support this feature.
- *
- * @param column the first column is 1, the second is 2...
- * @return true if so
- * @exception SQLException if a database access error occurs
- */
- public boolean isAutoIncrement(int column) throws SQLException
- {
- return false;
- }
-
- /**
- * Does a column's case matter? ASSUMPTION: Any field that is
- * not obviously case insensitive is assumed to be case sensitive
- *
- * @param column the first column is 1, the second is 2...
- * @return true if so
- * @exception SQLException if a database access error occurs
- */
- public boolean isCaseSensitive(int column) throws SQLException
- {
- int sql_type = getField(column).getSQLType();
-
- switch (sql_type)
- {
- case Types.SMALLINT:
- case Types.INTEGER:
- case Types.FLOAT:
- case Types.REAL:
- case Types.DOUBLE:
- case Types.DATE:
- case Types.TIME:
- case Types.TIMESTAMP:
- return false;
- default:
- return true;
- }
- }
-
- /**
- * Can the column be used in a WHERE clause? Basically for
- * this, I split the functions into two types: recognised
- * types (which are always useable), and OTHER types (which
- * may or may not be useable). The OTHER types, for now, I
- * will assume they are useable. We should really query the
- * catalog to see if they are useable.
- *
- * @param column the first column is 1, the second is 2...
- * @return true if they can be used in a WHERE clause
- * @exception SQLException if a database access error occurs
- */
- public boolean isSearchable(int column) throws SQLException
- {
- int sql_type = getField(column).getSQLType();
-
- // This switch is pointless, I know - but it is a set-up
- // for further expansion.
- switch (sql_type)
- {
- case Types.OTHER:
- return true;
- default:
- return true;
- }
- }
-
- /**
- * Is the column a cash value? 6.1 introduced the cash/money
- * type, which haven't been incorporated as of 970414, so I
- * just check the type name for both 'cash' and 'money'
- *
- * @param column the first column is 1, the second is 2...
- * @return true if its a cash column
- * @exception SQLException if a database access error occurs
- */
- public boolean isCurrency(int column) throws SQLException
- {
- String type_name = getField(column).getTypeName();
-
- return type_name.equals("cash") || type_name.equals("money");
- }
-
- /**
- * Can you put a NULL in this column? I think this is always
- * true in 6.1's case. It would only be false if the field had
- * been defined NOT NULL (system catalogs could be queried?)
- *
- * @param column the first column is 1, the second is 2...
- * @return one of the columnNullable values
- * @exception SQLException if a database access error occurs
- */
- public int isNullable(int column) throws SQLException
- {
- return columnNullable; // We can always put NULL in
- }
-
- /**
- * Is the column a signed number? In PostgreSQL, all numbers
- * are signed, so this is trivial. However, strings are not
- * signed (duh!)
- *
- * @param column the first column is 1, the second is 2...
- * @return true if so
- * @exception SQLException if a database access error occurs
- */
- public boolean isSigned(int column) throws SQLException
- {
- int sql_type = getField(column).getSQLType();
-
- switch (sql_type)
- {
- case Types.SMALLINT:
- case Types.INTEGER:
- case Types.FLOAT:
- case Types.REAL:
- case Types.DOUBLE:
- return true;
- case Types.DATE:
- case Types.TIME:
- case Types.TIMESTAMP:
- return false; // I don't know about these?
- default:
- return false;
- }
- }
-
- /**
- * What is the column's normal maximum width in characters?
- *
- * @param column the first column is 1, the second is 2, etc.
- * @return the maximum width
- * @exception SQLException if a database access error occurs
- */
- public int getColumnDisplaySize(int column) throws SQLException
- {
- Field f = getField(column);
- String type_name = f.getTypeName();
- int sql_type = f.getSQLType();
- int typmod = f.mod;
-
- // I looked at other JDBC implementations and couldn't find a consistent
- // interpretation of the "display size" for numeric values, so this is our's
- // FIXME: currently, only types with a SQL92 or SQL3 pendant are implemented -
[email protected]-
- // fixed length data types
- if (type_name.equals( "int2" )) return 6; // -32768 to +32768 (5 digits and a sign)
- if (type_name.equals( "int4" )
- || type_name.equals( "oid" )) return 11; // -2147483648 to +2147483647
- if (type_name.equals( "int8" )) return 20; // -9223372036854775808 to +9223372036854775807
- if (type_name.equals( "money" )) return 12; // MONEY = DECIMAL(9,2)
- if (type_name.equals( "float4" )) return 11; // i checked it out ans wasn't able to produce more than 11 digits
- if (type_name.equals( "float8" )) return 20; // dito, 20
- if (type_name.equals( "char" )) return 1;
- if (type_name.equals( "bool" )) return 1;
- if (type_name.equals( "date" )) return 14; // "01/01/4713 BC" - "31/12/32767 AD"
- if (type_name.equals( "time" )) return 8; // 00:00:00-23:59:59
- if (type_name.equals( "timestamp" )) return 22; // hhmmm ... the output looks like this: 1999-08-03 22:22:08+02
-
- // variable length fields
- typmod -= 4;
- if (type_name.equals( "bpchar" )
- || type_name.equals( "varchar" )) return typmod; // VARHDRSZ=sizeof(int32)=4
- if (type_name.equals( "numeric" )) return ( (typmod >>16) & 0xffff )
- + 1 + ( typmod & 0xffff ); // DECIMAL(p,s) = (p digits).(s digits)
-
- // if we don't know better
- return f.length;
- }
-
- /**
- * What is the suggested column title for use in printouts and
- * displays? We suggest the ColumnName!
- *
- * @param column the first column is 1, the second is 2, etc.
- * @return the column label
- * @exception SQLException if a database access error occurs
- */
- public String getColumnLabel(int column) throws SQLException
- {
- return getColumnName(column);
- }
-
- /**
- * What's a column's name?
- *
- * @param column the first column is 1, the second is 2, etc.
- * @return the column name
- * @exception SQLException if a database access error occurs
- */
- public String getColumnName(int column) throws SQLException
- {
- Field f = getField(column);
- if(f!=null)
- return f.name;
- return "field"+column;
- }
-
- /**
- * What is a column's table's schema? This relies on us knowing
- * the table name....which I don't know how to do as yet. The
- * JDBC specification allows us to return "" if this is not
- * applicable.
- *
- * @param column the first column is 1, the second is 2...
- * @return the Schema
- * @exception SQLException if a database access error occurs
- */
- public String getSchemaName(int column) throws SQLException
- {
- return "";
- }
-
- /**
- * What is a column's number of decimal digits.
- *
- * @param column the first column is 1, the second is 2...
- * @return the precision
- * @exception SQLException if a database access error occurs
- */
- public int getPrecision(int column) throws SQLException
- {
- int sql_type = getField(column).getSQLType();
-
- switch (sql_type)
- {
- case Types.SMALLINT:
- return 5;
- case Types.INTEGER:
- return 10;
- case Types.REAL:
- return 8;
- case Types.FLOAT:
- return 16;
- case Types.DOUBLE:
- return 16;
- case Types.VARCHAR:
- return 0;
- default:
- return 0;
- }
- }
-
- /**
- * What is a column's number of digits to the right of the
- * decimal point?
- *
- * @param column the first column is 1, the second is 2...
- * @return the scale
- * @exception SQLException if a database access error occurs
- */
- public int getScale(int column) throws SQLException
- {
- int sql_type = getField(column).getSQLType();
-
- switch (sql_type)
- {
- case Types.SMALLINT:
- return 0;
- case Types.INTEGER:
- return 0;
- case Types.REAL:
- return 8;
- case Types.FLOAT:
- return 16;
- case Types.DOUBLE:
- return 16;
- case Types.VARCHAR:
- return 0;
- default:
- return 0;
- }
- }
-
- /**
- * Whats a column's table's name? How do I find this out? Both
- * getSchemaName() and getCatalogName() rely on knowing the table
- * Name, so we need this before we can work on them.
- *
- * @param column the first column is 1, the second is 2...
- * @return column name, or "" if not applicable
- * @exception SQLException if a database access error occurs
- */
- public String getTableName(int column) throws SQLException
- {
- return "";
- }
-
- /**
- * What's a column's table's catalog name? As with getSchemaName(),
- * we can say that if getTableName() returns n/a, then we can too -
- * otherwise, we need to work on it.
- *
- * @param column the first column is 1, the second is 2...
- * @return catalog name, or "" if not applicable
- * @exception SQLException if a database access error occurs
- */
- public String getCatalogName(int column) throws SQLException
- {
- return "";
- }
-
- /**
- * What is a column's SQL Type? (java.sql.Type int)
- *
- * @param column the first column is 1, the second is 2, etc.
- * @return the java.sql.Type value
- * @exception SQLException if a database access error occurs
- * @see postgresql.Field#getSQLType
- * @see java.sql.Types
- */
- public int getColumnType(int column) throws SQLException
- {
- return getField(column).getSQLType();
- }
-
- /**
- * Whats is the column's data source specific type name?
- *
- * @param column the first column is 1, the second is 2, etc.
- * @return the type name
- * @exception SQLException if a database access error occurs
- */
- public String getColumnTypeName(int column) throws SQLException
- {
- return getField(column).getTypeName();
- }
-
- /**
- * Is the column definitely not writable? In reality, we would
- * have to check the GRANT/REVOKE stuff for this to be effective,
- * and I haven't really looked into that yet, so this will get
- * re-visited.
- *
- * @param column the first column is 1, the second is 2, etc.
- * @return true if so
- * @exception SQLException if a database access error occurs
- */
- public boolean isReadOnly(int column) throws SQLException
- {
- return false;
- }
-
- /**
- * Is it possible for a write on the column to succeed? Again, we
- * would in reality have to check the GRANT/REVOKE stuff, which
- * I haven't worked with as yet. However, if it isn't ReadOnly, then
- * it is obviously writable.
- *
- * @param column the first column is 1, the second is 2, etc.
- * @return true if so
- * @exception SQLException if a database access error occurs
- */
- public boolean isWritable(int column) throws SQLException
- {
- if (isReadOnly(column))
- return true;
- else
- return false;
- }
-
- /**
- * Will a write on this column definately succeed? Hmmm...this
- * is a bad one, since the two preceding functions have not been
- * really defined. I cannot tell is the short answer. I thus
- * return isWritable() just to give us an idea.
- *
- * @param column the first column is 1, the second is 2, etc..
- * @return true if so
- * @exception SQLException if a database access error occurs
- */
- public boolean isDefinitelyWritable(int column) throws SQLException
- {
- return isWritable(column);
- }
-
- // ********************************************************
- // END OF PUBLIC INTERFACE
- // ********************************************************
-
- /**
- * For several routines in this package, we need to convert
- * a columnIndex into a Field[] descriptor. Rather than do
- * the same code several times, here it is.
- *
- * @param columnIndex the first column is 1, the second is 2...
- * @return the Field description
- * @exception SQLException if a database access error occurs
- */
- private Field getField(int columnIndex) throws SQLException
- {
- if (columnIndex < 1 || columnIndex > fields.length)
- throw new PSQLException("postgresql.res.colrange");
- return fields[columnIndex - 1];
- }
-
- // ** JDBC 2 Extensions **
-
- // This can hook into our PG_Object mechanism
- public String getColumnClassName(int column) throws SQLException
- {
- throw postgresql.Driver.notImplemented();
- }
-
-}
-
+++ /dev/null
-package postgresql.jdbc2;
-
-// IMPORTANT NOTE: This file implements the JDBC 2 version of the driver.
-// If you make any modifications to this file, you must make sure that the
-// changes are also made (if relevent) to the related JDBC 1 class in the
-// postgresql.jdbc1 package.
-
-import java.sql.*;
-import java.util.Vector;
-import postgresql.util.*;
-
-/**
- * A Statement object is used for executing a static SQL statement and
- * obtaining the results produced by it.
- *
- *
Only one ResultSet per Statement can be open at any point in time.
- * Therefore, if the reading of one ResultSet is interleaved with the
- * reading of another, each must have been generated by different
- * Statements. All statement execute methods implicitly close a
- * statement's current ResultSet if an open one exists.
- *
- * @see java.sql.Statement
- * @see ResultSet
- */
-public class Statement implements java.sql.Statement
-{
- Connection connection; // The connection who created us
- java.sql.ResultSet result = null; // The current results
- SQLWarning warnings = null; // The warnings chain.
- int timeout = 0; // The timeout for a query (not used)
- boolean escapeProcessing = true;// escape processing flag
- private Vector batch=null;
-
- /**
- * Constructor for a Statement. It simply sets the connection
- * that created us.
- *
- * @param c the Connection instantation that creates us
- */
- public Statement (Connection c)
- {
- connection = c;
- }
-
- /**
- * Execute a SQL statement that retruns a single ResultSet
- *
- * @param sql typically a static SQL SELECT statement
- * @return a ResulSet that contains the data produced by the query
- * @exception SQLException if a database access error occurs
- */
- public java.sql.ResultSet executeQuery(String sql) throws SQLException
- {
- this.execute(sql);
- while (result != null && !((postgresql.ResultSet)result).reallyResultSet())
- result = ((postgresql.ResultSet)result).getNext();
- if (result == null)
- throw new PSQLException("postgresql.stat.noresult");
- return result;
- }
-
- /**
- * Execute a SQL INSERT, UPDATE or DELETE statement. In addition
- * SQL statements that return nothing such as SQL DDL statements
- * can be executed
- *
- * @param sql a SQL statement
- * @return either a row count, or 0 for SQL commands
- * @exception SQLException if a database access error occurs
- */
- public int executeUpdate(String sql) throws SQLException
- {
- this.execute(sql);
- if (((postgresql.ResultSet)result).reallyResultSet())
- throw new PSQLException("postgresql.stat.result");
- return this.getUpdateCount();
- }
-
- /**
- * In many cases, it is desirable to immediately release a
- * Statement's database and JDBC resources instead of waiting
- * for this to happen when it is automatically closed. The
- * close method provides this immediate release.
- *
- *
Note: A Statement is automatically closed when it is
- * garbage collected. When a Statement is closed, its current
- * ResultSet, if one exists, is also closed.
- *
- * @exception SQLException if a database access error occurs (why?)
- */
- public void close() throws SQLException
- {
- result = null;
- }
-
- /**
- * The maxFieldSize limit (in bytes) is the maximum amount of
- * data returned for any column value; it only applies to
- * BINARY, VARBINARY, LONGVARBINARY, CHAR, VARCHAR and LONGVARCHAR
- * columns. If the limit is exceeded, the excess data is silently
- * discarded.
- *
- * @return the current max column size limit; zero means unlimited
- * @exception SQLException if a database access error occurs
- */
- public int getMaxFieldSize() throws SQLException
- {
- return 8192; // We cannot change this
- }
-
- /**
- * Sets the maxFieldSize - NOT! - We throw an SQLException just
- * to inform them to stop doing this.
- *
- * @param max the new max column size limit; zero means unlimited
- * @exception SQLException if a database access error occurs
- */
- public void setMaxFieldSize(int max) throws SQLException
- {
- throw new PSQLException("postgresql.stat.maxfieldsize");
- }
-
- /**
- * The maxRows limit is set to limit the number of rows that
- * any ResultSet can contain. If the limit is exceeded, the
- * excess rows are silently dropped.
- *
- * @return the current maximum row limit; zero means unlimited
- * @exception SQLException if a database access error occurs
- */
- public int getMaxRows() throws SQLException
- {
- return connection.maxrows;
- }
-
- /**
- * Set the maximum number of rows
- *
- * @param max the new max rows limit; zero means unlimited
- * @exception SQLException if a database access error occurs
- * @see getMaxRows
- */
- public void setMaxRows(int max) throws SQLException
- {
- connection.maxrows = max;
- }
-
- /**
- * If escape scanning is on (the default), the driver will do escape
- * substitution before sending the SQL to the database.
- *
- * @param enable true to enable; false to disable
- * @exception SQLException if a database access error occurs
- */
- public void setEscapeProcessing(boolean enable) throws SQLException
- {
- escapeProcessing = enable;
- }
-
- /**
- * The queryTimeout limit is the number of seconds the driver
- * will wait for a Statement to execute. If the limit is
- * exceeded, a SQLException is thrown.
- *
- * @return the current query timeout limit in seconds; 0 = unlimited
- * @exception SQLException if a database access error occurs
- */
- public int getQueryTimeout() throws SQLException
- {
- return timeout;
- }
-
- /**
- * Sets the queryTimeout limit
- *
- * @param seconds - the new query timeout limit in seconds
- * @exception SQLException if a database access error occurs
- */
- public void setQueryTimeout(int seconds) throws SQLException
- {
- timeout = seconds;
- }
-
- /**
- * Cancel can be used by one thread to cancel a statement that
- * is being executed by another thread. However, PostgreSQL is
- * a sync. sort of thing, so this really has no meaning - we
- * define it as a no-op (i.e. you can't cancel, but there is no
- * error if you try.)
- *
- * 6.4 introduced a cancel operation, but we have not implemented it
- * yet. Sometime before 6.5, this method will be implemented.
- *
- * @exception SQLException only because thats the spec.
- */
- public void cancel() throws SQLException
- {
- // No-op
- }
-
- /**
- * The first warning reported by calls on this Statement is
- * returned. A Statement's execute methods clear its SQLWarning
- * chain. Subsequent Statement warnings will be chained to this
- * SQLWarning.
- *
- *
The Warning chain is automatically cleared each time a statement
- * is (re)executed.
- *
- *
Note: If you are processing a ResultSet then any warnings
- * associated with ResultSet reads will be chained on the ResultSet
- * object.
- *
- * @return the first SQLWarning on null
- * @exception SQLException if a database access error occurs
- */
- public SQLWarning getWarnings() throws SQLException
- {
- return warnings;
- }
-
- /**
- * After this call, getWarnings returns null until a new warning
- * is reported for this Statement.
- *
- * @exception SQLException if a database access error occurs (why?)
- */
- public void clearWarnings() throws SQLException
- {
- warnings = null;
- }
-
- /**
- * setCursorName defines the SQL cursor name that will be used by
- * subsequent execute methods. This name can then be used in SQL
- * positioned update/delete statements to identify the current row
- * in the ResultSet generated by this statement. If a database
- * doesn't support positioned update/delete, this method is a
- * no-op.
- *
- *
Note: By definition, positioned update/delete execution
- * must be done by a different Statement than the one which
- * generated the ResultSet being used for positioning. Also, cursor
- * names must be unique within a Connection.
- *
- *
We throw an additional constriction. There can only be one
- * cursor active at any one time.
- *
- * @param name the new cursor name
- * @exception SQLException if a database access error occurs
- */
- public void setCursorName(String name) throws SQLException
- {
- connection.setCursorName(name);
- }
-
- /**
- * Execute a SQL statement that may return multiple results. We
- * don't have to worry about this since we do not support multiple
- * ResultSets. You can use getResultSet or getUpdateCount to
- * retrieve the result.
- *
- * @param sql any SQL statement
- * @return true if the next result is a ResulSet, false if it is
- * an update count or there are no more results
- * @exception SQLException if a database access error occurs
- */
- public boolean execute(String sql) throws SQLException
- {
- result = connection.ExecSQL(sql);
- return (result != null && ((postgresql.ResultSet)result).reallyResultSet());
- }
-
- /**
- * getResultSet returns the current result as a ResultSet. It
- * should only be called once per result.
- *
- * @return the current result set; null if there are no more
- * @exception SQLException if a database access error occurs (why?)
- */
- public java.sql.ResultSet getResultSet() throws SQLException
- {
- return result;
- }
-
- /**
- * getUpdateCount returns the current result as an update count,
- * if the result is a ResultSet or there are no more results, -1
- * is returned. It should only be called once per result.
- *
- * @return the current result as an update count.
- * @exception SQLException if a database access error occurs
- */
- public int getUpdateCount() throws SQLException
- {
- if (result == null) return -1;
- if (((postgresql.ResultSet)result).reallyResultSet()) return -1;
- return ((postgresql.ResultSet)result).getResultCount();
- }
-
- /**
- * getMoreResults moves to a Statement's next result. If it returns
- * true, this result is a ResulSet.
- *
- * @return true if the next ResultSet is valid
- * @exception SQLException if a database access error occurs
- */
- public boolean getMoreResults() throws SQLException
- {
- result = ((postgresql.ResultSet)result).getNext();
- return (result != null && ((postgresql.ResultSet)result).reallyResultSet());
- }
-
- /**
- * Returns the status message from the current Result.
- * This is used internally by the driver.
- *
- * @return status message from backend
- */
- public String getResultStatusString()
- {
- if(result == null)
- return null;
- return ((postgresql.ResultSet)result).getStatusString();
- }
-
- // ** JDBC 2 Extensions **
-
- public void addBatch(String sql) throws SQLException
- {
- if(batch==null)
- batch=new Vector();
- batch.addElement(sql);
- }
-
- public void clearBatch() throws SQLException
- {
- if(batch!=null)
- batch.removeAllElements();
- }
-
- public int[] executeBatch() throws SQLException
- {
- if(batch==null || batch.isEmpty())
- throw new PSQLException("postgresql.stat.batch.empty");
-
- int size=batch.size();
- int[] result=new int[size];
- int i=0;
- this.execute("begin"); // PTM: check this when autoCommit is false
- try {
- for(i=0;i
- result[i]=this.executeUpdate((String)batch.elementAt(i));
- this.execute("commit"); // PTM: check this
- } catch(SQLException e) {
- this.execute("abort"); // PTM: check this
- throw new PSQLException("postgresql.stat.batch.error",new Integer(i),batch.elementAt(i));
- }
- return result;
- }
-
- public java.sql.Connection getConnection() throws SQLException
- {
- return (java.sql.Connection)connection;
- }
-
- public int getFetchDirection() throws SQLException
- {
- throw postgresql.Driver.notImplemented();
- }
-
- public int getFetchSize() throws SQLException
- {
- throw postgresql.Driver.notImplemented();
- }
-
- public int getKeysetSize() throws SQLException
- {
- throw postgresql.Driver.notImplemented();
- }
-
- public int getResultSetConcurrency() throws SQLException
- {
- throw postgresql.Driver.notImplemented();
- }
-
- public int getResultSetType() throws SQLException
- {
- throw postgresql.Driver.notImplemented();
- }
-
- public void setFetchDirection(int direction) throws SQLException
- {
- throw postgresql.Driver.notImplemented();
- }
-
- public void setFetchSize(int rows) throws SQLException
- {
- throw postgresql.Driver.notImplemented();
- }
-
- public void setKeysetSize(int keys) throws SQLException
- {
- throw postgresql.Driver.notImplemented();
- }
-
- public void setResultSetConcurrency(int value) throws SQLException
- {
- throw postgresql.Driver.notImplemented();
- }
-
- public void setResultSetType(int value) throws SQLException
- {
- throw postgresql.Driver.notImplemented();
- }
-
-
-}
+++ /dev/null
-package postgresql.largeobject;
-
-import java.io.*;
-import java.lang.*;
-import java.net.*;
-import java.util.*;
-import java.sql.*;
-
-import postgresql.fastpath.*;
-
-/**
- * This class implements the large object interface to postgresql.
- *
- *
It provides the basic methods required to run the interface, plus
- * a pair of methods that provide InputStream and OutputStream classes
- * for this object.
- *
- *
Normally, client code would use the getAsciiStream, getBinaryStream,
- * or getUnicodeStream methods in ResultSet, or setAsciiStream,
- * setBinaryStream, or setUnicodeStream methods in PreparedStatement to
- * access Large Objects.
- *
- *
However, sometimes lower level access to Large Objects are required,
- * that are not supported by the JDBC specification.
- *
- *
Refer to postgresql.largeobject.LargeObjectManager on how to gain access
- * to a Large Object, or how to create one.
- *
- * @see postgresql.largeobject.LargeObjectManager
- * @see postgresql.ResultSet#getAsciiStream
- * @see postgresql.ResultSet#getBinaryStream
- * @see postgresql.ResultSet#getUnicodeStream
- * @see postgresql.PreparedStatement#setAsciiStream
- * @see postgresql.PreparedStatement#setBinaryStream
- * @see postgresql.PreparedStatement#setUnicodeStream
- * @see java.sql.ResultSet#getAsciiStream
- * @see java.sql.ResultSet#getBinaryStream
- * @see java.sql.ResultSet#getUnicodeStream
- * @see java.sql.PreparedStatement#setAsciiStream
- * @see java.sql.PreparedStatement#setBinaryStream
- * @see java.sql.PreparedStatement#setUnicodeStream
- *
- */
-public class LargeObject
-{
- /**
- * Indicates a seek from the begining of a file
- */
- public static final int SEEK_SET = 0;
-
- /**
- * Indicates a seek from the current position
- */
- public static final int SEEK_CUR = 1;
-
- /**
- * Indicates a seek from the end of a file
- */
- public static final int SEEK_END = 2;
-
- private Fastpath fp; // Fastpath API to use
- private int oid; // OID of this object
- private int fd; // the descriptor of the open large object
-
- /**
- * This opens a large object.
- *
- *
If the object does not exist, then an SQLException is thrown.
- *
- * @param fp FastPath API for the connection to use
- * @param oid of the Large Object to open
- * @param mode Mode of opening the large object
- * (defined in LargeObjectManager)
- * @exception SQLException if a database-access error occurs.
- * @see postgresql.largeobject.LargeObjectManager
- */
- protected LargeObject(Fastpath fp,int oid,int mode) throws SQLException
- {
- this.fp = fp;
- this.oid = oid;
-
- FastpathArg args[] = new FastpathArg[2];
- args[0] = new FastpathArg(oid);
- args[1] = new FastpathArg(mode);
- this.fd = fp.getInteger("lo_open",args);
- }
-
- /**
- * @return the OID of this LargeObject
- */
- public int getOID()
- {
- return oid;
- }
-
- /**
- * This method closes the object. You must not call methods in this
- * object after this is called.
- * @exception SQLException if a database-access error occurs.
- */
- public void close() throws SQLException
- {
- FastpathArg args[] = new FastpathArg[1];
- args[0] = new FastpathArg(fd);
- fp.fastpath("lo_close",false,args); // true here as we dont care!!
- }
-
- /**
- * Reads some data from the object, and return as a byte[] array
- *
- * @param len number of bytes to read
- * @return byte[] array containing data read
- * @exception SQLException if a database-access error occurs.
- */
- public byte[] read(int len) throws SQLException
- {
- // This is the original method, where the entire block (len bytes)
- // is retrieved in one go.
- FastpathArg args[] = new FastpathArg[2];
- args[0] = new FastpathArg(fd);
- args[1] = new FastpathArg(len);
- return fp.getData("loread",args);
-
- // This version allows us to break this down into 4k blocks
- //if(len<=4048) {
- //// handle as before, return the whole block in one go
- //FastpathArg args[] = new FastpathArg[2];
- //args[0] = new FastpathArg(fd);
- //args[1] = new FastpathArg(len);
- //return fp.getData("loread",args);
- //} else {
- //// return in 4k blocks
- //byte[] buf=new byte[len];
- //int off=0;
- //while(len>0) {
- //int bs=4048;
- //len-=bs;
- //if(len<0) {
- //bs+=len;
- //len=0;
- //}
- //read(buf,off,bs);
- //off+=bs;
- //}
- //return buf;
- //}
- }
-
- /**
- * Reads some data from the object into an existing array
- *
- * @param buf destination array
- * @param off offset within array
- * @param len number of bytes to read
- * @exception SQLException if a database-access error occurs.
- */
- public void read(byte buf[],int off,int len) throws SQLException
- {
- System.arraycopy(read(len),0,buf,off,len);
- }
-
- /**
- * Writes an array to the object
- *
- * @param buf array to write
- * @exception SQLException if a database-access error occurs.
- */
- public void write(byte buf[]) throws SQLException
- {
- FastpathArg args[] = new FastpathArg[2];
- args[0] = new FastpathArg(fd);
- args[1] = new FastpathArg(buf);
- fp.fastpath("lowrite",false,args);
- }
-
- /**
- * Writes some data from an array to the object
- *
- * @param buf destination array
- * @param off offset within array
- * @param len number of bytes to write
- * @exception SQLException if a database-access error occurs.
- */
- public void write(byte buf[],int off,int len) throws SQLException
- {
- byte data[] = new byte[len];
- System.arraycopy(buf,off,data,0,len);
- write(data);
- }
-
- /**
- * Sets the current position within the object.
- *
- *
This is similar to the fseek() call in the standard C library. It
- * allows you to have random access to the large object.
- *
- * @param pos position within object
- * @param ref Either SEEK_SET, SEEK_CUR or SEEK_END
- * @exception SQLException if a database-access error occurs.
- */
- public void seek(int pos,int ref) throws SQLException
- {
- FastpathArg args[] = new FastpathArg[3];
- args[0] = new FastpathArg(fd);
- args[1] = new FastpathArg(pos);
- args[2] = new FastpathArg(ref);
- fp.fastpath("lo_lseek",false,args);
- }
-
- /**
- * Sets the current position within the object.
- *
- *
This is similar to the fseek() call in the standard C library. It
- * allows you to have random access to the large object.
- *
- * @param pos position within object from begining
- * @exception SQLException if a database-access error occurs.
- */
- public void seek(int pos) throws SQLException
- {
- seek(pos,SEEK_SET);
- }
-
- /**
- * @return the current position within the object
- * @exception SQLException if a database-access error occurs.
- */
- public int tell() throws SQLException
- {
- FastpathArg args[] = new FastpathArg[1];
- args[0] = new FastpathArg(fd);
- return fp.getInteger("lo_tell",args);
- }
-
- /**
- * This method is inefficient, as the only way to find out the size of
- * the object is to seek to the end, record the current position, then
- * return to the original position.
- *
- *
A better method will be found in the future.
- *
- * @return the size of the large object
- * @exception SQLException if a database-access error occurs.
- */
- public int size() throws SQLException
- {
- int cp = tell();
- seek(0,SEEK_END);
- int sz = tell();
- seek(cp,SEEK_SET);
- return sz;
- }
-
- /**
- * Returns an InputStream from this object.
- *
- *
This InputStream can then be used in any method that requires an
- * InputStream.
- *
- * @exception SQLException if a database-access error occurs.
- */
- public InputStream getInputStream() throws SQLException
- {
- throw postgresql.Driver.notImplemented();
- }
-
- /**
- * Returns an OutputStream to this object
- *
- *
This OutputStream can then be used in any method that requires an
- * OutputStream.
- *
- * @exception SQLException if a database-access error occurs.
- */
- public OutputStream getOutputStream() throws SQLException
- {
- throw postgresql.Driver.notImplemented();
- }
-}
+++ /dev/null
-package postgresql.largeobject;
-
-import java.io.*;
-import java.lang.*;
-import java.net.*;
-import java.util.*;
-import java.sql.*;
-
-import postgresql.fastpath.*;
-import postgresql.util.*;
-
-/**
- * This class implements the large object interface to postgresql.
- *
- *
It provides methods that allow client code to create, open and delete
- * large objects from the database. When opening an object, an instance of
- * postgresql.largeobject.LargeObject is returned, and its methods then allow
- * access to the object.
- *
- *
This class can only be created by postgresql.Connection
- *
- *
To get access to this class, use the following segment of code:
- * import postgresql.largeobject.*;
- *
- * Connection conn;
- * LargeObjectManager lobj;
- *
- * ... code that opens a connection ...
- *
- * lobj = ((postgresql.Connection)myconn).getLargeObjectAPI();
- *
- *
- *
Normally, client code would use the getAsciiStream, getBinaryStream,
- * or getUnicodeStream methods in ResultSet, or setAsciiStream,
- * setBinaryStream, or setUnicodeStream methods in PreparedStatement to
- * access Large Objects.
- *
- *
However, sometimes lower level access to Large Objects are required,
- * that are not supported by the JDBC specification.
- *
- *
Refer to postgresql.largeobject.LargeObject on how to manipulate the
- * contents of a Large Object.
- *
- * @see postgresql.largeobject.LargeObject
- * @see postgresql.ResultSet#getAsciiStream
- * @see postgresql.ResultSet#getBinaryStream
- * @see postgresql.ResultSet#getUnicodeStream
- * @see postgresql.PreparedStatement#setAsciiStream
- * @see postgresql.PreparedStatement#setBinaryStream
- * @see postgresql.PreparedStatement#setUnicodeStream
- * @see java.sql.ResultSet#getAsciiStream
- * @see java.sql.ResultSet#getBinaryStream
- * @see java.sql.ResultSet#getUnicodeStream
- * @see java.sql.PreparedStatement#setAsciiStream
- * @see java.sql.PreparedStatement#setBinaryStream
- * @see java.sql.PreparedStatement#setUnicodeStream
- */
-public class LargeObjectManager
-{
- // the fastpath api for this connection
- private Fastpath fp;
-
- /**
- * This mode indicates we want to write to an object
- */
- public static final int WRITE = 0x00020000;
-
- /**
- * This mode indicates we want to read an object
- */
- public static final int READ = 0x00040000;
-
- /**
- * This mode is the default. It indicates we want read and write access to
- * a large object
- */
- public static final int READWRITE = READ | WRITE;
-
- /**
- * This prevents us being created by mere mortals
- */
- private LargeObjectManager()
- {
- }
-
- /**
- * Constructs the LargeObject API.
- *
- *
This method should only be called by postgresql.Connection
- *
- *
There should only be one LargeObjectManager per Connection. The
- * postgresql.Connection class keeps track of the various extension API's
- * and it's advised you use those to gain access, and not going direct.
- */
- public LargeObjectManager(postgresql.Connection conn) throws SQLException
- {
- // We need Fastpath to do anything
- this.fp = conn.getFastpathAPI();
-
- // Now get the function oid's for the api
- //
- // This is an example of Fastpath.addFunctions();
- //
- java.sql.ResultSet res = (java.sql.ResultSet)conn.createStatement().executeQuery("select proname, oid from pg_proc" +
- " where proname = 'lo_open'" +
- " or proname = 'lo_close'" +
- " or proname = 'lo_creat'" +
- " or proname = 'lo_unlink'" +
- " or proname = 'lo_lseek'" +
- " or proname = 'lo_tell'" +
- " or proname = 'loread'" +
- " or proname = 'lowrite'");
-
- if(res==null)
- throw new PSQLException("postgresql.lo.init");
-
- fp.addFunctions(res);
- res.close();
- DriverManager.println("Large Object initialised");
- }
-
- /**
- * This opens an existing large object, based on its OID. This method
- * assumes that READ and WRITE access is required (the default).
- *
- * @param oid of large object
- * @return LargeObject instance providing access to the object
- * @exception SQLException on error
- */
- public LargeObject open(int oid) throws SQLException
- {
- return new LargeObject(fp,oid,READWRITE);
- }
-
- /**
- * This opens an existing large object, based on its OID
- *
- * @param oid of large object
- * @param mode mode of open
- * @return LargeObject instance providing access to the object
- * @exception SQLException on error
- */
- public LargeObject open(int oid,int mode) throws SQLException
- {
- return new LargeObject(fp,oid,mode);
- }
-
- /**
- * This creates a large object, returning its OID.
- *
- *
It defaults to READWRITE for the new object's attributes.
- *
- * @return oid of new object
- * @exception SQLException on error
- */
- public int create() throws SQLException
- {
- FastpathArg args[] = new FastpathArg[1];
- args[0] = new FastpathArg(READWRITE);
- return fp.getInteger("lo_creat",args);
- }
-
- /**
- * This creates a large object, returning its OID
- *
- * @param mode a bitmask describing different attributes of the new object
- * @return oid of new object
- * @exception SQLException on error
- */
- public int create(int mode) throws SQLException
- {
- FastpathArg args[] = new FastpathArg[1];
- args[0] = new FastpathArg(mode);
- return fp.getInteger("lo_creat",args);
- }
-
- /**
- * This deletes a large object.
- *
- * @param oid describing object to delete
- * @exception SQLException on error
- */
- public void delete(int oid) throws SQLException
- {
- FastpathArg args[] = new FastpathArg[1];
- args[0] = new FastpathArg(oid);
- fp.fastpath("lo_unlink",false,args);
- }
-
- /**
- * This deletes a large object.
- *
- *
It is identical to the delete method, and is supplied as the C API uses
- * unlink.
- *
- * @param oid describing object to delete
- * @exception SQLException on error
- */
- public void unlink(int oid) throws SQLException
- {
- delete(oid);
- }
-
-}
+++ /dev/null
-package postgresql.util;
-
-import java.io.*;
-import java.sql.*;
-
-/**
- * This implements a class that handles the PostgreSQL money and cash types
- */
-public class PGmoney extends PGobject implements Serializable,Cloneable
-{
- /**
- * The value of the field
- */
- public double val;
-
- /**
- * @param value of field
- */
- public PGmoney(double value) {
- this();
- val = value;
- }
-
- /**
- * This is called mainly from the other geometric types, when a
- * point is imbeded within their definition.
- *
- * @param value Definition of this point in PostgreSQL's syntax
- */
- public PGmoney(String value) throws SQLException
- {
- this();
- setValue(value);
- }
-
- /**
- * Required by the driver
- */
- public PGmoney()
- {
- setType("money");
- }
-
- /**
- * @param s Definition of this point in PostgreSQL's syntax
- * @exception SQLException on conversion failure
- */
- public void setValue(String s) throws SQLException
- {
- try {
- String s1;
- boolean negative;
-
- negative = (s.charAt(0) == '-') ;
-
- s1 = s.substring(negative ? 2 : 1);
-
- int pos = s1.indexOf(',');
- while (pos != -1) {
- s1 = s1.substring(0,pos) + s1.substring(pos +1);
- pos = s1.indexOf(',');
- }
-
- val = Double.valueOf(s1).doubleValue();
- val = negative ? -val : val;
-
- } catch(NumberFormatException e) {
- throw new PSQLException("postgresql.money",e);
- }
- }
-
- /**
- * @param obj Object to compare with
- * @return true if the two boxes are identical
- */
- public boolean equals(Object obj)
- {
- if(obj instanceof PGmoney) {
- PGmoney p = (PGmoney)obj;
- return val == p.val;
- }
- return false;
- }
-
- /**
- * This must be overidden to allow the object to be cloned
- */
- public Object clone()
- {
- return new PGmoney(val);
- }
-
- /**
- * @return the PGpoint in the syntax expected by postgresql
- */
- public String getValue()
- {
- if (val < 0) {
- return "-$" + (-val);
- }
- else {
- return "$"+val;
- }
- }
-}
+++ /dev/null
-package postgresql.util;
-
-import java.io.*;
-import java.lang.*;
-import java.sql.*;
-import java.util.*;
-
-/**
- * postgresql.PG_Object is a class used to describe unknown types
- * An unknown type is any type that is unknown by JDBC Standards
- *
- *
As of PostgreSQL 6.3, this allows user code to add their own
- * handlers via a call to postgresql.Connection. These handlers
- * must extend this class.
- */
-public class PGobject implements Serializable,Cloneable
-{
- protected String type;
- protected String value;
-
- /**
- * This is called by postgresql.Connection.getObject() to create the
- * object.
- */
- public PGobject()
- {
- }
-
- /**
- * This method sets the type of this object.
- *
- *
It should not be extended by subclasses, hence its final
- *
- * @param type a string describing the type of the object
- */
- public final void setType(String type)
- {
- this.type = type;
- }
-
- /**
- * This method sets the value of this object. It must be overidden.
- *
- * @param value a string representation of the value of the object
- * @exception SQLException thrown if value is invalid for this type
- */
- public void setValue(String value) throws SQLException
- {
- this.value = value;
- }
-
- /**
- * As this cannot change during the life of the object, it's final.
- * @return the type name of this object
- */
- public final String getType()
- {
- return type;
- }
-
- /**
- * This must be overidden, to return the value of the object, in the
- * form required by postgresql.
- * @return the value of this object
- */
- public String getValue()
- {
- return value;
- }
-
- /**
- * This must be overidden to allow comparisons of objects
- * @param obj Object to compare with
- * @return true if the two boxes are identical
- */
- public boolean equals(Object obj)
- {
- if(obj instanceof PGobject)
- return ((PGobject)obj).getValue().equals(getValue());
- return false;
- }
-
- /**
- * This must be overidden to allow the object to be cloned
- */
- public Object clone()
- {
- PGobject obj = new PGobject();
- obj.type=type;
- obj.value=value;
- return obj;
- }
-
- /**
- * This is defined here, so user code need not overide it.
- * @return the value of this object, in the syntax expected by postgresql
- */
- public String toString()
- {
- return getValue();
- }
-}
+++ /dev/null
-package postgresql.util;
-
-import java.sql.*;
-import java.util.*;
-
-/**
- * This class is used to tokenize the text output of postgres.
- *
- *
It's mainly used by the geometric classes, but is useful in parsing any
- * output from custom data types output from postgresql.
- *
- * @see postgresql.geometric.PGbox
- * @see postgresql.geometric.PGcircle
- * @see postgresql.geometric.PGlseg
- * @see postgresql.geometric.PGpath
- * @see postgresql.geometric.PGpoint
- * @see postgresql.geometric.PGpolygon
- */
-public class PGtokenizer
-{
- // Our tokens
- protected Vector tokens;
-
- /**
- * Create a tokeniser.
- *
- *
We could have used StringTokenizer to do this, however, we needed to
- * handle nesting of '(' ')' '[' ']' '<' and '>' as these are used
- * by the geometric data types.
- *
- * @param string containing tokens
- * @param delim single character to split the tokens
- */
- public PGtokenizer(String string,char delim)
- {
- tokenize(string,delim);
- }
-
- /**
- * This resets this tokenizer with a new string and/or delimiter.
- *
- * @param string containing tokens
- * @param delim single character to split the tokens
- */
- public int tokenize(String string,char delim)
- {
- tokens = new Vector();
-
- // nest holds how many levels we are in the current token.
- // if this is > 0 then we don't split a token when delim is matched.
- //
- // The Geometric datatypes use this, because often a type may have others
- // (usualls PGpoint) imbedded within a token.
- //
- // Peter 1998 Jan 6 - Added < and > to the nesting rules
- int nest=0,p,s;
-
- for(p=0,s=0;p
- char c = string.charAt(p);
-
- // increase nesting if an open character is found
- if(c == '(' || c == '[' || c == '<')
- nest++;
-
- // decrease nesting if a close character is found
- if(c == ')' || c == ']' || c == '>')
- nest--;
-
- if(nest==0 && c==delim) {
- tokens.addElement(string.substring(s,p));
- s=p+1; // +1 to skip the delimiter
- }
-
- }
-
- // Don't forget the last token ;-)
- if(s
- tokens.addElement(string.substring(s));
-
- return tokens.size();
- }
-
- /**
- * @return the number of tokens available
- */
- public int getSize()
- {
- return tokens.size();
- }
-
- /**
- * @param n Token number ( 0 ... getSize()-1 )
- * @return The token value
- */
- public String getToken(int n)
- {
- return (String)tokens.elementAt(n);
- }
-
- /**
- * This returns a new tokenizer based on one of our tokens.
- *
- * The geometric datatypes use this to process nested tokens (usually
- * PGpoint).
- *
- * @param n Token number ( 0 ... getSize()-1 )
- * @param delim The delimiter to use
- * @return A new instance of PGtokenizer based on the token
- */
- public PGtokenizer tokenizeToken(int n,char delim)
- {
- return new PGtokenizer(getToken(n),delim);
- }
-
- /**
- * This removes the lead/trailing strings from a string
- * @param s Source string
- * @param l Leading string to remove
- * @param t Trailing string to remove
- * @return String without the lead/trailing strings
- */
- public static String remove(String s,String l,String t)
- {
- if(s.startsWith(l)) s = s.substring(l.length());
- if(s.endsWith(t)) s = s.substring(0,s.length()-t.length());
- return s;
- }
-
- /**
- * This removes the lead/trailing strings from all tokens
- * @param l Leading string to remove
- * @param t Trailing string to remove
- */
- public void remove(String l,String t)
- {
- for(int i=0;i
- tokens.setElementAt(remove((String)tokens.elementAt(i),l,t),i);
- }
- }
-
- /**
- * Removes ( and ) from the beginning and end of a string
- * @param s String to remove from
- * @return String without the ( or )
- */
- public static String removePara(String s)
- {
- return remove(s,"(",")");
- }
-
- /**
- * Removes ( and ) from the beginning and end of all tokens
- * @return String without the ( or )
- */
- public void removePara()
- {
- remove("(",")");
- }
-
- /**
- * Removes [ and ] from the beginning and end of a string
- * @param s String to remove from
- * @return String without the [ or ]
- */
- public static String removeBox(String s)
- {
- return remove(s,"[","]");
- }
-
- /**
- * Removes [ and ] from the beginning and end of all tokens
- * @return String without the [ or ]
- */
- public void removeBox()
- {
- remove("[","]");
- }
-
- /**
- * Removes < and > from the beginning and end of a string
- * @param s String to remove from
- * @return String without the < or >
- */
- public static String removeAngle(String s)
- {
- return remove(s,"<",">");
- }
-
- /**
- * Removes < and > from the beginning and end of all tokens
- * @return String without the < or >
- */
- public void removeAngle()
- {
- remove("<",">");
- }
-}
+++ /dev/null
-package postgresql.util;
-
-import java.sql.*;
-import java.text.*;
-import java.util.*;
-
-/**
- * This class extends SQLException, and provides our internationalisation handling
- */
-public class PSQLException extends SQLException
-{
- private String message;
-
- // Cache for future errors
- static ResourceBundle bundle;
-
- /**
- * This provides the same functionality to SQLException
- * @param error Error string
- */
- public PSQLException(String error) {
- super();
- translate(error,null);
- }
-
- /**
- * A more generic entry point.
- * @param error Error string or standard message id
- * @param args Array of arguments
- */
- public PSQLException(String error,Object[] args)
- {
- super();
- translate(error,args);
- }
-
- /**
- * Helper version for 1 arg
- */
- public PSQLException(String error,Object arg)
- {
- super();
- Object[] argv = new Object[1];
- argv[0] = arg;
- translate(error,argv);
- }
-
- /**
- * Helper version for 2 args
- */
- public PSQLException(String error,Object arg1,Object arg2)
- {
- super();
- Object[] argv = new Object[2];
- argv[0] = arg1;
- argv[1] = arg2;
- translate(error,argv);
- }
-
- /**
- * This does the actual translation
- */
- private void translate(String id,Object[] args)
- {
- if(bundle == null) {
- try {
- bundle = ResourceBundle.getBundle("postgresql.errors");
- } catch(MissingResourceException e) {
- }
- }
-
- // Now look up a localized message. If one is not found, then use
- // the supplied message instead.
- message = null;
- try {
- message = bundle.getString(id);
- } catch(MissingResourceException e) {
- message = id;
- }
-
- // Expand any arguments
- if(args!=null)
- message = MessageFormat.format(message,args);
-
- }
-
- /**
- * Overides Throwable
- */
- public String getLocalizedMessage()
- {
- return message;
- }
-
- /**
- * Overides Throwable
- */
- public String getMessage()
- {
- return message;
- }
-
- /**
- * Overides Object
- */
- public String toString()
- {
- return message;
- }
-
-}
+++ /dev/null
-package postgresql.util;
-
-import java.io.*;
-import java.lang.*;
-import java.lang.reflect.*;
-import java.net.*;
-import java.util.*;
-import java.sql.*;
-
-/**
- * This class uses PostgreSQL's object oriented features to store Java Objects.
- *
- * It does this by mapping a Java Class name to a table in the database. Each
- * entry in this new table then represents a Serialized instance of this
- * class. As each entry has an OID (Object IDentifier), this OID can be
- * included in another table.
- *
- * This is too complex to show here, and will be documented in the main
- * documents in more detail.
- *
- */
-public class Serialize
-{
- // This is the connection that the instance refers to
- protected postgresql.Connection conn;
-
- // This is the table name
- protected String tableName;
-
- // This is the class name
- protected String className;
-
- // This is the Class for this serialzed object
- protected Class ourClass;
-
- /**
- * This creates an instance that can be used to serialize or deserialize
- * a Java object from a PostgreSQL table.
- */
- public Serialize(postgresql.Connection c,String type) throws SQLException
- {
- try {
- conn = c;
- tableName = type.toLowerCase();
- className = toClassName(type);
- ourClass = Class.forName(className);
- } catch(ClassNotFoundException cnfe) {
- throw new PSQLException("postgresql.serial.noclass",type);
- }
-
- // Second check, the type must be a table
- boolean status = false;
- ResultSet rs = conn.ExecSQL("select typname from pg_type,pg_class where typname=relname and typname='"+type+"'");
- if(rs!=null) {
- if(rs.next())
- status=true;
- rs.close();
- }
- // This should never occur, as postgresql has it's own internal checks
- if(!status)
- throw new PSQLException("postgresql.serial.table",type);
-
- // Finally cache the fields within the table
- }
-
- /**
- * This fetches an object from a table, given it's OID
- * @param oid The oid of the object
- * @return Object relating to oid
- * @exception SQLException on error
- */
- public Object fetch(int oid) throws SQLException
- {
- try {
- Object obj = ourClass.newInstance();
-
- // NB: we use java.lang.reflect here to prevent confusion with
- // the postgresql.Field
- java.lang.reflect.Field f[] = ourClass.getDeclaredFields();
- boolean hasOID=false;
- int oidFIELD=-1;
- StringBuffer sb = new StringBuffer("select");
- char sep=' ';
- for(int i=0;i
- String n = f[i].getName();
- if(n.equals("oid")) {
- hasOID=true;
- oidFIELD=i;
- }
- sb.append(sep);
- sb.append(n);
- sep=',';
- }
- sb.append(" from ");
- sb.append(tableName);
- sb.append(" where oid=");
- sb.append(oid);
-
- DriverManager.println("store: "+sb.toString());
- ResultSet rs = conn.ExecSQL(sb.toString());
- if(rs!=null) {
- if(rs.next()) {
- for(int i=0;i
- f[i].set(obj,rs.getObject(i+1));
- }
- }
- rs.close();
- } else
- throw new PSQLException("postgresql.unexpected");
- return obj;
- } catch(IllegalAccessException iae) {
- throw new SQLException(iae.toString());
- } catch(InstantiationException ie) {
- throw new SQLException(ie.toString());
- }
- }
-
- /**
- * This stores an object into a table, returning it's OID.
- *
- * If the object has an int called OID, and it is > 0, then
- * that value is used for the OID, and the table will be updated.
- * If the value of OID is 0, then a new row will be created, and the
- * value of OID will be set in the object. This enables an object's
- * value in the database to be updateable.
- *
- * If the object has no int called OID, then the object is stored. However
- * if the object is later retrieved, amended and stored again, it's new
- * state will be appended to the table, and will not overwrite the old
- * entries.
- *
- * @param o Object to store (must implement Serializable)
- * @return oid of stored object
- * @exception SQLException on error
- */
- public int store(Object o) throws SQLException
- {
- try {
- // NB: we use java.lang.reflect here to prevent confusion with
- // the postgresql.Field
- java.lang.reflect.Field f[] = ourClass.getDeclaredFields();
- boolean hasOID=false;
- int oidFIELD=-1;
- boolean update=false;
-
- // Find out if we have an oid value
- for(int i=0;i
- String n = f[i].getName();
- if(n.equals("oid")) {
- hasOID=true;
- oidFIELD=i;
-
- // We are an update if oid != 0
- update = f[i].getInt(o)>0;
- }
- }
-
- StringBuffer sb = new StringBuffer(update?"update "+tableName+" set":"insert into "+tableName+" values ");
- char sep=update?' ':'(';
- for(int i=0;i
- String n = f[i].getName();
- sb.append(sep);
- sb.append(n);
- sep=',';
- if(update) {
- sb.append('=');
- if(f[i].getType().getName().equals("java.lang.String")) {
- sb.append('\'');
- sb.append(f[i].get(o).toString());
- sb.append('\'');
- } else
- sb.append(f[i].get(o).toString());
- }
- }
-
- if(!update) {
- sb.append(") values ");
- sep='(';
- for(int i=0;i
- String n = f[i].getName();
- if(f[i].getType().getName().equals("java.lang.String")) {
- sb.append('\'');
- sb.append(f[i].get(o).toString());
- sb.append('\'');
- } else
- sb.append(f[i].get(o).toString());
- }
- sb.append(')');
- }
-
- DriverManager.println("store: "+sb.toString());
- ResultSet rs = conn.ExecSQL(sb.toString());
- if(rs!=null) {
- rs.close();
- }
-
- // fetch the OID for returning
- int oid=0;
- if(hasOID) {
- // set the oid in the object
- f[oidFIELD].setInt(o,oid);
- }
- return oid;
-
- } catch(IllegalAccessException iae) {
- throw new SQLException(iae.toString());
- }
- }
-
- /**
- * This method is not used by the driver, but it creates a table, given
- * a Serializable Java Object. It should be used before serializing any
- * objects.
- * @param c Connection to database
- * @param o Object to base table on
- * @exception SQLException on error
- */
- public static void create(postgresql.Connection con,Object o) throws SQLException
- {
- create(con,o.getClass());
- }
-
- /**
- * This method is not used by the driver, but it creates a table, given
- * a Serializable Java Object. It should be used before serializing any
- * objects.
- * @param c Connection to database
- * @param o Class to base table on
- * @exception SQLException on error
- */
- public static void create(postgresql.Connection con,Class c) throws SQLException
- {
- if(c.isInterface())
- throw new PSQLException("postgresql.serial.interface");
-
- // See if the table exists
- String tableName = toPostgreSQL(c.getName());
-
- ResultSet rs = con.ExecSQL("select relname from pg_class where relname = '"+tableName+"'");
- if(!rs.next()) {
- DriverManager.println("found "+rs.getString(1));
- // No entries returned, so the table doesn't exist
-
- StringBuffer sb = new StringBuffer("create table ");
- sb.append(tableName);
- char sep='(';
-
- java.lang.reflect.Field[] fields = c.getDeclaredFields();
- for(int i=0;i
- Class type = fields[i].getType();
-
- // oid is a special field
- if(!fields[i].getName().equals("oid")) {
- sb.append(sep);
- sb.append(fields[i].getName());
- sb.append(' ');
- sep=',';
-
- if(type.isArray()) {
- // array handling
- } else {
- // convert the java type to postgresql, recursing if a class
- // is found
- String n = fields[i].getType().getName();
- int j=0;
- for(;j
- if(j
- sb.append(tp[j][1]);
- else {
- create(con,fields[i].getType());
- sb.append(toPostgreSQL(n));
- }
- }
- }
- }
- sb.append(")");
-
- // Now create the table
- DriverManager.println("Serialize.create:"+sb);
- con.ExecSQL(sb.toString());
- rs.close();
- } else {
- DriverManager.println("Serialize.create: table "+tableName+" exists, skipping");
- }
- }
-
- // This is used to translate between Java primitives and PostgreSQL types.
- private static final String tp[][] = {
- {"boolean", "int1"},
- {"double", "float8"},
- {"float", "float4"},
- {"int", "int4"},
- {"long", "int4"},
- {"short", "int2"},
- {"java.lang.String", "text"},
- {"java.lang.Integer", "int4"},
- {"java.lang.Float", "float4"},
- {"java.lang.Double", "float8"},
- {"java.lang.Short", "int2"}
- };
-
- /**
- * This converts a Java Class name to a postgresql table, by replacing . with
- *
- * Because of this, a Class name may not have _ in the name.
- * Another limitation, is that the entire class name (including packages)
- * cannot be longer than 32 characters (a limit forced by PostgreSQL).
- *
- * @param name Class name
- * @return PostgreSQL table name
- * @exception SQLException on error
- */
- public static String toPostgreSQL(String name) throws SQLException
- {
- name = name.toLowerCase();
-
- if(name.indexOf("_")>-1)
- throw new PSQLException("postgresql.serial.underscore");
-
- if(name.length()>32)
- throw new PSQLException("postgresql.serial.namelength",name,new Integer(name.length()));
-
- return name.replace('.','_');
- }
-
-
- /**
- * This converts a postgresql table to a Java Class name, by replacing _ with
- *
- * @param name PostgreSQL table name
- * @return Class name
- * @exception SQLException on error
- */
- public static String toClassName(String name) throws SQLException
- {
- name = name.toLowerCase();
- return name.replace('_','.');
- }
-
-}
+++ /dev/null
-package postgresql.util;
-
-/**
- * This class provides us with the ability to encrypt passwords when sent
- * over the network stream
- *
- *
Contains static methods to encrypt and compare
- * passwords with Unix encrypted passwords.
- *
- * John Dumas's Java Crypt page for the original source.
- *
- */
-public class UnixCrypt extends Object
-{
- //
- // Null constructor - can't instantiate class
- private UnixCrypt()
- {
- }
-
- private static final char[] saltChars =
- ("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789./".toCharArray());
-
- private static final int ITERATIONS = 16;
-
- private static final int con_salt[] =
- {
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01,
- 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09,
- 0x0A, 0x0B, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A,
- 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, 0x10, 0x11, 0x12,
- 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1A,
- 0x1B, 0x1C, 0x1D, 0x1E, 0x1F, 0x20, 0x21, 0x22,
- 0x23, 0x24, 0x25, 0x20, 0x21, 0x22, 0x23, 0x24,
- 0x25, 0x26, 0x27, 0x28, 0x29, 0x2A, 0x2B, 0x2C,
- 0x2D, 0x2E, 0x2F, 0x30, 0x31, 0x32, 0x33, 0x34,
- 0x35, 0x36, 0x37, 0x38, 0x39, 0x3A, 0x3B, 0x3C,
- 0x3D, 0x3E, 0x3F, 0x00, 0x00, 0x00, 0x00, 0x00,
- };
-
- private static final boolean shifts2[] =
- {
- false, false, true, true, true, true, true, true,
- false, true, true, true, true, true, true, false
- };
-
- private static final int skb[][] =
- {
- {
- /* for C bits (numbered as per FIPS 46) 1 2 3 4 5 6 */
- 0x00000000, 0x00000010, 0x20000000, 0x20000010,
- 0x00010000, 0x00010010, 0x20010000, 0x20010010,
- 0x00000800, 0x00000810, 0x20000800, 0x20000810,
- 0x00010800, 0x00010810, 0x20010800, 0x20010810,
- 0x00000020, 0x00000030, 0x20000020, 0x20000030,
- 0x00010020, 0x00010030, 0x20010020, 0x20010030,
- 0x00000820, 0x00000830, 0x20000820, 0x20000830,
- 0x00010820, 0x00010830, 0x20010820, 0x20010830,
- 0x00080000, 0x00080010, 0x20080000, 0x20080010,
- 0x00090000, 0x00090010, 0x20090000, 0x20090010,
- 0x00080800, 0x00080810, 0x20080800, 0x20080810,
- 0x00090800, 0x00090810, 0x20090800, 0x20090810,
- 0x00080020, 0x00080030, 0x20080020, 0x20080030,
- 0x00090020, 0x00090030, 0x20090020, 0x20090030,
- 0x00080820, 0x00080830, 0x20080820, 0x20080830,
- 0x00090820, 0x00090830, 0x20090820, 0x20090830,
- },
- {
- /* for C bits (numbered as per FIPS 46) 7 8 10 11 12 13 */
- 0x00000000, 0x02000000, 0x00002000, 0x02002000,
- 0x00200000, 0x02200000, 0x00202000, 0x02202000,
- 0x00000004, 0x02000004, 0x00002004, 0x02002004,
- 0x00200004, 0x02200004, 0x00202004, 0x02202004,
- 0x00000400, 0x02000400, 0x00002400, 0x02002400,
- 0x00200400, 0x02200400, 0x00202400, 0x02202400,
- 0x00000404, 0x02000404, 0x00002404, 0x02002404,
- 0x00200404, 0x02200404, 0x00202404, 0x02202404,
- 0x10000000, 0x12000000, 0x10002000, 0x12002000,
- 0x10200000, 0x12200000, 0x10202000, 0x12202000,
- 0x10000004, 0x12000004, 0x10002004, 0x12002004,
- 0x10200004, 0x12200004, 0x10202004, 0x12202004,
- 0x10000400, 0x12000400, 0x10002400, 0x12002400,
- 0x10200400, 0x12200400, 0x10202400, 0x12202400,
- 0x10000404, 0x12000404, 0x10002404, 0x12002404,
- 0x10200404, 0x12200404, 0x10202404, 0x12202404,
- },
- {
- /* for C bits (numbered as per FIPS 46) 14 15 16 17 19 20 */
- 0x00000000, 0x00000001, 0x00040000, 0x00040001,
- 0x01000000, 0x01000001, 0x01040000, 0x01040001,
- 0x00000002, 0x00000003, 0x00040002, 0x00040003,
- 0x01000002, 0x01000003, 0x01040002, 0x01040003,
- 0x00000200, 0x00000201, 0x00040200, 0x00040201,
- 0x01000200, 0x01000201, 0x01040200, 0x01040201,
- 0x00000202, 0x00000203, 0x00040202, 0x00040203,
- 0x01000202, 0x01000203, 0x01040202, 0x01040203,
- 0x08000000, 0x08000001, 0x08040000, 0x08040001,
- 0x09000000, 0x09000001, 0x09040000, 0x09040001,
- 0x08000002, 0x08000003, 0x08040002, 0x08040003,
- 0x09000002, 0x09000003, 0x09040002, 0x09040003,
- 0x08000200, 0x08000201, 0x08040200, 0x08040201,
- 0x09000200, 0x09000201, 0x09040200, 0x09040201,
- 0x08000202, 0x08000203, 0x08040202, 0x08040203,
- 0x09000202, 0x09000203, 0x09040202, 0x09040203,
- },
- {
- /* for C bits (numbered as per FIPS 46) 21 23 24 26 27 28 */
- 0x00000000, 0x00100000, 0x00000100, 0x00100100,
- 0x00000008, 0x00100008, 0x00000108, 0x00100108,
- 0x00001000, 0x00101000, 0x00001100, 0x00101100,
- 0x00001008, 0x00101008, 0x00001108, 0x00101108,
- 0x04000000, 0x04100000, 0x04000100, 0x04100100,
- 0x04000008, 0x04100008, 0x04000108, 0x04100108,
- 0x04001000, 0x04101000, 0x04001100, 0x04101100,
- 0x04001008, 0x04101008, 0x04001108, 0x04101108,
- 0x00020000, 0x00120000, 0x00020100, 0x00120100,
- 0x00020008, 0x00120008, 0x00020108, 0x00120108,
- 0x00021000, 0x00121000, 0x00021100, 0x00121100,
- 0x00021008, 0x00121008, 0x00021108, 0x00121108,
- 0x04020000, 0x04120000, 0x04020100, 0x04120100,
- 0x04020008, 0x04120008, 0x04020108, 0x04120108,
- 0x04021000, 0x04121000, 0x04021100, 0x04121100,
- 0x04021008, 0x04121008, 0x04021108, 0x04121108,
- },
- {
- /* for D bits (numbered as per FIPS 46) 1 2 3 4 5 6 */
- 0x00000000, 0x10000000, 0x00010000, 0x10010000,
- 0x00000004, 0x10000004, 0x00010004, 0x10010004,
- 0x20000000, 0x30000000, 0x20010000, 0x30010000,
- 0x20000004, 0x30000004, 0x20010004, 0x30010004,
- 0x00100000, 0x10100000, 0x00110000, 0x10110000,
- 0x00100004, 0x10100004, 0x00110004, 0x10110004,
- 0x20100000, 0x30100000, 0x20110000, 0x30110000,
- 0x20100004, 0x30100004, 0x20110004, 0x30110004,
- 0x00001000, 0x10001000, 0x00011000, 0x10011000,
- 0x00001004, 0x10001004, 0x00011004, 0x10011004,
- 0x20001000, 0x30001000, 0x20011000, 0x30011000,
- 0x20001004, 0x30001004, 0x20011004, 0x30011004,
- 0x00101000, 0x10101000, 0x00111000, 0x10111000,
- 0x00101004, 0x10101004, 0x00111004, 0x10111004,
- 0x20101000, 0x30101000, 0x20111000, 0x30111000,
- 0x20101004, 0x30101004, 0x20111004, 0x30111004,
- },
- {
- /* for D bits (numbered as per FIPS 46) 8 9 11 12 13 14 */
- 0x00000000, 0x08000000, 0x00000008, 0x08000008,
- 0x00000400, 0x08000400, 0x00000408, 0x08000408,
- 0x00020000, 0x08020000, 0x00020008, 0x08020008,
- 0x00020400, 0x08020400, 0x00020408, 0x08020408,
- 0x00000001, 0x08000001, 0x00000009, 0x08000009,
- 0x00000401, 0x08000401, 0x00000409, 0x08000409,
- 0x00020001, 0x08020001, 0x00020009, 0x08020009,
- 0x00020401, 0x08020401, 0x00020409, 0x08020409,
- 0x02000000, 0x0A000000, 0x02000008, 0x0A000008,
- 0x02000400, 0x0A000400, 0x02000408, 0x0A000408,
- 0x02020000, 0x0A020000, 0x02020008, 0x0A020008,
- 0x02020400, 0x0A020400, 0x02020408, 0x0A020408,
- 0x02000001, 0x0A000001, 0x02000009, 0x0A000009,
- 0x02000401, 0x0A000401, 0x02000409, 0x0A000409,
- 0x02020001, 0x0A020001, 0x02020009, 0x0A020009,
- 0x02020401, 0x0A020401, 0x02020409, 0x0A020409,
- },
- {
- /* for D bits (numbered as per FIPS 46) 16 17 18 19 20 21 */
- 0x00000000, 0x00000100, 0x00080000, 0x00080100,
- 0x01000000, 0x01000100, 0x01080000, 0x01080100,
- 0x00000010, 0x00000110, 0x00080010, 0x00080110,
- 0x01000010, 0x01000110, 0x01080010, 0x01080110,
- 0x00200000, 0x00200100, 0x00280000, 0x00280100,
- 0x01200000, 0x01200100, 0x01280000, 0x01280100,
- 0x00200010, 0x00200110, 0x00280010, 0x00280110,
- 0x01200010, 0x01200110, 0x01280010, 0x01280110,
- 0x00000200, 0x00000300, 0x00080200, 0x00080300,
- 0x01000200, 0x01000300, 0x01080200, 0x01080300,
- 0x00000210, 0x00000310, 0x00080210, 0x00080310,
- 0x01000210, 0x01000310, 0x01080210, 0x01080310,
- 0x00200200, 0x00200300, 0x00280200, 0x00280300,
- 0x01200200, 0x01200300, 0x01280200, 0x01280300,
- 0x00200210, 0x00200310, 0x00280210, 0x00280310,
- 0x01200210, 0x01200310, 0x01280210, 0x01280310,
- },
- {
- /* for D bits (numbered as per FIPS 46) 22 23 24 25 27 28 */
- 0x00000000, 0x04000000, 0x00040000, 0x04040000,
- 0x00000002, 0x04000002, 0x00040002, 0x04040002,
- 0x00002000, 0x04002000, 0x00042000, 0x04042000,
- 0x00002002, 0x04002002, 0x00042002, 0x04042002,
- 0x00000020, 0x04000020, 0x00040020, 0x04040020,
- 0x00000022, 0x04000022, 0x00040022, 0x04040022,
- 0x00002020, 0x04002020, 0x00042020, 0x04042020,
- 0x00002022, 0x04002022, 0x00042022, 0x04042022,
- 0x00000800, 0x04000800, 0x00040800, 0x04040800,
- 0x00000802, 0x04000802, 0x00040802, 0x04040802,
- 0x00002800, 0x04002800, 0x00042800, 0x04042800,
- 0x00002802, 0x04002802, 0x00042802, 0x04042802,
- 0x00000820, 0x04000820, 0x00040820, 0x04040820,
- 0x00000822, 0x04000822, 0x00040822, 0x04040822,
- 0x00002820, 0x04002820, 0x00042820, 0x04042820,
- 0x00002822, 0x04002822, 0x00042822, 0x04042822,
- },
- };
-
- private static final int SPtrans[][] =
- {
- {
- /* nibble 0 */
- 0x00820200, 0x00020000, 0x80800000, 0x80820200,
- 0x00800000, 0x80020200, 0x80020000, 0x80800000,
- 0x80020200, 0x00820200, 0x00820000, 0x80000200,
- 0x80800200, 0x00800000, 0x00000000, 0x80020000,
- 0x00020000, 0x80000000, 0x00800200, 0x00020200,
- 0x80820200, 0x00820000, 0x80000200, 0x00800200,
- 0x80000000, 0x00000200, 0x00020200, 0x80820000,
- 0x00000200, 0x80800200, 0x80820000, 0x00000000,
- 0x00000000, 0x80820200, 0x00800200, 0x80020000,
- 0x00820200, 0x00020000, 0x80000200, 0x00800200,
- 0x80820000, 0x00000200, 0x00020200, 0x80800000,
- 0x80020200, 0x80000000, 0x80800000, 0x00820000,
- 0x80820200, 0x00020200, 0x00820000, 0x80800200,
- 0x00800000, 0x80000200, 0x80020000, 0x00000000,
- 0x00020000, 0x00800000, 0x80800200, 0x00820200,
- 0x80000000, 0x80820000, 0x00000200, 0x80020200,
- },
- {
- /* nibble 1 */
- 0x10042004, 0x00000000, 0x00042000, 0x10040000,
- 0x10000004, 0x00002004, 0x10002000, 0x00042000,
- 0x00002000, 0x10040004, 0x00000004, 0x10002000,
- 0x00040004, 0x10042000, 0x10040000, 0x00000004,
- 0x00040000, 0x10002004, 0x10040004, 0x00002000,
- 0x00042004, 0x10000000, 0x00000000, 0x00040004,
- 0x10002004, 0x00042004, 0x10042000, 0x10000004,
- 0x10000000, 0x00040000, 0x00002004, 0x10042004,
- 0x00040004, 0x10042000, 0x10002000, 0x00042004,
- 0x10042004, 0x00040004, 0x10000004, 0x00000000,
- 0x10000000, 0x00002004, 0x00040000, 0x10040004,
- 0x00002000, 0x10000000, 0x00042004, 0x10002004,
- 0x10042000, 0x00002000, 0x00000000, 0x10000004,
- 0x00000004, 0x10042004, 0x00042000, 0x10040000,
- 0x10040004, 0x00040000, 0x00002004, 0x10002000,
- 0x10002004, 0x00000004, 0x10040000, 0x00042000,
- },
- {
- /* nibble 2 */
- 0x41000000, 0x01010040, 0x00000040, 0x41000040,
- 0x40010000, 0x01000000, 0x41000040, 0x00010040,
- 0x01000040, 0x00010000, 0x01010000, 0x40000000,
- 0x41010040, 0x40000040, 0x40000000, 0x41010000,
- 0x00000000, 0x40010000, 0x01010040, 0x00000040,
- 0x40000040, 0x41010040, 0x00010000, 0x41000000,
- 0x41010000, 0x01000040, 0x40010040, 0x01010000,
- 0x00010040, 0x00000000, 0x01000000, 0x40010040,
- 0x01010040, 0x00000040, 0x40000000, 0x00010000,
- 0x40000040, 0x40010000, 0x01010000, 0x41000040,
- 0x00000000, 0x01010040, 0x00010040, 0x41010000,
- 0x40010000, 0x01000000, 0x41010040, 0x40000000,
- 0x40010040, 0x41000000, 0x01000000, 0x41010040,
- 0x00010000, 0x01000040, 0x41000040, 0x00010040,
- 0x01000040, 0x00000000, 0x41010000, 0x40000040,
- 0x41000000, 0x40010040, 0x00000040, 0x01010000,
- },
- {
- /* nibble 3 */
- 0x00100402, 0x04000400, 0x00000002, 0x04100402,
- 0x00000000, 0x04100000, 0x04000402, 0x00100002,
- 0x04100400, 0x04000002, 0x04000000, 0x00000402,
- 0x04000002, 0x00100402, 0x00100000, 0x04000000,
- 0x04100002, 0x00100400, 0x00000400, 0x00000002,
- 0x00100400, 0x04000402, 0x04100000, 0x00000400,
- 0x00000402, 0x00000000, 0x00100002, 0x04100400,
- 0x04000400, 0x04100002, 0x04100402, 0x00100000,
- 0x04100002, 0x00000402, 0x00100000, 0x04000002,
- 0x00100400, 0x04000400, 0x00000002, 0x04100000,
- 0x04000402, 0x00000000, 0x00000400, 0x00100002,
- 0x00000000, 0x04100002, 0x04100400, 0x00000400,
- 0x04000000, 0x04100402, 0x00100402, 0x00100000,
- 0x04100402, 0x00000002, 0x04000400, 0x00100402,
- 0x00100002, 0x00100400, 0x04100000, 0x04000402,
- 0x00000402, 0x04000000, 0x04000002, 0x04100400,
- },
- {
- /* nibble 4 */
- 0x02000000, 0x00004000, 0x00000100, 0x02004108,
- 0x02004008, 0x02000100, 0x00004108, 0x02004000,
- 0x00004000, 0x00000008, 0x02000008, 0x00004100,
- 0x02000108, 0x02004008, 0x02004100, 0x00000000,
- 0x00004100, 0x02000000, 0x00004008, 0x00000108,
- 0x02000100, 0x00004108, 0x00000000, 0x02000008,
- 0x00000008, 0x02000108, 0x02004108, 0x00004008,
- 0x02004000, 0x00000100, 0x00000108, 0x02004100,
- 0x02004100, 0x02000108, 0x00004008, 0x02004000,
- 0x00004000, 0x00000008, 0x02000008, 0x02000100,
- 0x02000000, 0x00004100, 0x02004108, 0x00000000,
- 0x00004108, 0x02000000, 0x00000100, 0x00004008,
- 0x02000108, 0x00000100, 0x00000000, 0x02004108,
- 0x02004008, 0x02004100, 0x00000108, 0x00004000,
- 0x00004100, 0x02004008, 0x02000100, 0x00000108,
- 0x00000008, 0x00004108, 0x02004000, 0x02000008,
- },
- {
- /* nibble 5 */
- 0x20000010, 0x00080010, 0x00000000, 0x20080800,
- 0x00080010, 0x00000800, 0x20000810, 0x00080000,
- 0x00000810, 0x20080810, 0x00080800, 0x20000000,
- 0x20000800, 0x20000010, 0x20080000, 0x00080810,
- 0x00080000, 0x20000810, 0x20080010, 0x00000000,
- 0x00000800, 0x00000010, 0x20080800, 0x20080010,
- 0x20080810, 0x20080000, 0x20000000, 0x00000810,
- 0x00000010, 0x00080800, 0x00080810, 0x20000800,
- 0x00000810, 0x20000000, 0x20000800, 0x00080810,
- 0x20080800, 0x00080010, 0x00000000, 0x20000800,
- 0x20000000, 0x00000800, 0x20080010, 0x00080000,
- 0x00080010, 0x20080810, 0x00080800, 0x00000010,
- 0x20080810, 0x00080800, 0x00080000, 0x20000810,
- 0x20000010, 0x20080000, 0x00080810, 0x00000000,
- 0x00000800, 0x20000010, 0x20000810, 0x20080800,
- 0x20080000, 0x00000810, 0x00000010, 0x20080010,
- },
- {
- /* nibble 6 */
- 0x00001000, 0x00000080, 0x00400080, 0x00400001,
- 0x00401081, 0x00001001, 0x00001080, 0x00000000,
- 0x00400000, 0x00400081, 0x00000081, 0x00401000,
- 0x00000001, 0x00401080, 0x00401000, 0x00000081,
- 0x00400081, 0x00001000, 0x00001001, 0x00401081,
- 0x00000000, 0x00400080, 0x00400001, 0x00001080,
- 0x00401001, 0x00001081, 0x00401080, 0x00000001,
- 0x00001081, 0x00401001, 0x00000080, 0x00400000,
- 0x00001081, 0x00401000, 0x00401001, 0x00000081,
- 0x00001000, 0x00000080, 0x00400000, 0x00401001,
- 0x00400081, 0x00001081, 0x00001080, 0x00000000,
- 0x00000080, 0x00400001, 0x00000001, 0x00400080,
- 0x00000000, 0x00400081, 0x00400080, 0x00001080,
- 0x00000081, 0x00001000, 0x00401081, 0x00400000,
- 0x00401080, 0x00000001, 0x00001001, 0x00401081,
- 0x00400001, 0x00401080, 0x00401000, 0x00001001,
- },
- {
- /* nibble 7 */
- 0x08200020, 0x08208000, 0x00008020, 0x00000000,
- 0x08008000, 0x00200020, 0x08200000, 0x08208020,
- 0x00000020, 0x08000000, 0x00208000, 0x00008020,
- 0x00208020, 0x08008020, 0x08000020, 0x08200000,
- 0x00008000, 0x00208020, 0x00200020, 0x08008000,
- 0x08208020, 0x08000020, 0x00000000, 0x00208000,
- 0x08000000, 0x00200000, 0x08008020, 0x08200020,
- 0x00200000, 0x00008000, 0x08208000, 0x00000020,
- 0x00200000, 0x00008000, 0x08000020, 0x08208020,
- 0x00008020, 0x08000000, 0x00000000, 0x00208000,
- 0x08200020, 0x08008020, 0x08008000, 0x00200020,
- 0x08208000, 0x00000020, 0x00200020, 0x08008000,
- 0x08208020, 0x00200000, 0x08200000, 0x08000020,
- 0x00208000, 0x00008020, 0x08008020, 0x08200000,
- 0x00000020, 0x08208000, 0x00208020, 0x00000000,
- 0x08000000, 0x08200020, 0x00008000, 0x00208020
- }
- };
-
- private static final int cov_2char[] =
- {
- 0x2E, 0x2F, 0x30, 0x31, 0x32, 0x33, 0x34, 0x35,
- 0x36, 0x37, 0x38, 0x39, 0x41, 0x42, 0x43, 0x44,
- 0x45, 0x46, 0x47, 0x48, 0x49, 0x4A, 0x4B, 0x4C,
- 0x4D, 0x4E, 0x4F, 0x50, 0x51, 0x52, 0x53, 0x54,
- 0x55, 0x56, 0x57, 0x58, 0x59, 0x5A, 0x61, 0x62,
- 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 0x6A,
- 0x6B, 0x6C, 0x6D, 0x6E, 0x6F, 0x70, 0x71, 0x72,
- 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79, 0x7A
- };
-
- private static final int byteToUnsigned(byte b)
- {
- int value = (int)b;
-
- return(value >= 0 ? value : value + 256);
- }
-
- private static int fourBytesToInt(byte b[], int offset)
- {
- int value;
-
- value = byteToUnsigned(b[offset++]);
- value |= (byteToUnsigned(b[offset++]) << 8);
- value |= (byteToUnsigned(b[offset++]) << 16);
- value |= (byteToUnsigned(b[offset++]) << 24);
-
- return(value);
- }
-
- private static final void intToFourBytes(int iValue, byte b[], int offset)
- {
- b[offset++] = (byte)((iValue) & 0xff);
- b[offset++] = (byte)((iValue >>> 8 ) & 0xff);
- b[offset++] = (byte)((iValue >>> 16) & 0xff);
- b[offset++] = (byte)((iValue >>> 24) & 0xff);
- }
-
- private static final void PERM_OP(int a, int b, int n, int m, int results[])
- {
- int t;
-
- t = ((a >>> n) ^ b) & m;
- a ^= t << n;
- b ^= t;
-
- results[0] = a;
- results[1] = b;
- }
-
- private static final int HPERM_OP(int a, int n, int m)
- {
- int t;
-
- t = ((a << (16 - n)) ^ a) & m;
- a = a ^ t ^ (t >>> (16 - n));
-
- return(a);
- }
-
- private static int [] des_set_key(byte key[])
- {
- int schedule[] = new int[ITERATIONS * 2];
-
- int c = fourBytesToInt(key, 0);
- int d = fourBytesToInt(key, 4);
-
- int results[] = new int[2];
-
- PERM_OP(d, c, 4, 0x0f0f0f0f, results);
- d = results[0]; c = results[1];
-
- c = HPERM_OP(c, -2, 0xcccc0000);
- d = HPERM_OP(d, -2, 0xcccc0000);
-
- PERM_OP(d, c, 1, 0x55555555, results);
- d = results[0]; c = results[1];
-
- PERM_OP(c, d, 8, 0x00ff00ff, results);
- c = results[0]; d = results[1];
-
- PERM_OP(d, c, 1, 0x55555555, results);
- d = results[0]; c = results[1];
-
- d = (((d & 0x000000ff) << 16) | (d & 0x0000ff00) |
- ((d & 0x00ff0000) >>> 16) | ((c & 0xf0000000) >>> 4));
- c &= 0x0fffffff;
-
- int s, t;
- int j = 0;
-
- for(int i = 0; i < ITERATIONS; i ++)
- {
- if(shifts2[i])
- {
- c = (c >>> 2) | (c << 26);
- d = (d >>> 2) | (d << 26);
- }
- else
- {
- c = (c >>> 1) | (c << 27);
- d = (d >>> 1) | (d << 27);
- }
-
- c &= 0x0fffffff;
- d &= 0x0fffffff;
-
- s = skb[0][ (c ) & 0x3f ]|
- skb[1][((c >>> 6) & 0x03) | ((c >>> 7) & 0x3c)]|
- skb[2][((c >>> 13) & 0x0f) | ((c >>> 14) & 0x30)]|
- skb[3][((c >>> 20) & 0x01) | ((c >>> 21) & 0x06) |
- ((c >>> 22) & 0x38)];
-
- t = skb[4][ (d ) & 0x3f ]|
- skb[5][((d >>> 7) & 0x03) | ((d >>> 8) & 0x3c)]|
- skb[6][ (d >>>15) & 0x3f ]|
- skb[7][((d >>>21) & 0x0f) | ((d >>> 22) & 0x30)];
-
- schedule[j++] = ((t << 16) | (s & 0x0000ffff)) & 0xffffffff;
- s = ((s >>> 16) | (t & 0xffff0000));
-
- s = (s << 4) | (s >>> 28);
- schedule[j++] = s & 0xffffffff;
- }
- return(schedule);
- }
-
- private static final int D_ENCRYPT
- (
- int L, int R, int S, int E0, int E1, int s[]
- )
- {
- int t, u, v;
-
- v = R ^ (R >>> 16);
- u = v & E0;
- v = v & E1;
- u = (u ^ (u << 16)) ^ R ^ s[S];
- t = (v ^ (v << 16)) ^ R ^ s[S + 1];
- t = (t >>> 4) | (t << 28);
-
- L ^= SPtrans[1][(t ) & 0x3f] |
- SPtrans[3][(t >>> 8) & 0x3f] |
- SPtrans[5][(t >>> 16) & 0x3f] |
- SPtrans[7][(t >>> 24) & 0x3f] |
- SPtrans[0][(u ) & 0x3f] |
- SPtrans[2][(u >>> 8) & 0x3f] |
- SPtrans[4][(u >>> 16) & 0x3f] |
- SPtrans[6][(u >>> 24) & 0x3f];
-
- return(L);
- }
-
- private static final int [] body(int schedule[], int Eswap0, int Eswap1)
- {
- int left = 0;
- int right = 0;
- int t = 0;
-
- for(int j = 0; j < 25; j ++)
- {
- for(int i = 0; i < ITERATIONS * 2; i += 4)
- {
- left = D_ENCRYPT(left, right, i, Eswap0, Eswap1, schedule);
- right = D_ENCRYPT(right, left, i + 2, Eswap0, Eswap1, schedule);
- }
- t = left;
- left = right;
- right = t;
- }
-
- t = right;
-
- right = (left >>> 1) | (left << 31);
- left = (t >>> 1) | (t << 31);
-
- left &= 0xffffffff;
- right &= 0xffffffff;
-
- int results[] = new int[2];
-
- PERM_OP(right, left, 1, 0x55555555, results);
- right = results[0]; left = results[1];
-
- PERM_OP(left, right, 8, 0x00ff00ff, results);
- left = results[0]; right = results[1];
-
- PERM_OP(right, left, 2, 0x33333333, results);
- right = results[0]; left = results[1];
-
- PERM_OP(left, right, 16, 0x0000ffff, results);
- left = results[0]; right = results[1];
-
- PERM_OP(right, left, 4, 0x0f0f0f0f, results);
- right = results[0]; left = results[1];
-
- int out[] = new int[2];
-
- out[0] = left; out[1] = right;
-
- return(out);
- }
-
- /**
- *
Encrypt a password given the cleartext password and a "salt".
- * @param salt A two-character string representing the salt used to
- * iterate the encryption engine in lots of different ways. If you
- * are generating a new encryption then this value should be
- * randomised.
- * @param original The password to be encrypted.
- * @return A string consisting of the 2-character salt followed by the
- * encrypted password.
- */
- public static final String crypt(String salt, String original)
- {
- while(salt.length() < 2)
- salt += "A";
-
- StringBuffer buffer = new StringBuffer(" ");
-
- char charZero = salt.charAt(0);
- char charOne = salt.charAt(1);
-
- buffer.setCharAt(0, charZero);
- buffer.setCharAt(1, charOne);
-
- int Eswap0 = con_salt[(int)charZero];
- int Eswap1 = con_salt[(int)charOne] << 4;
-
- byte key[] = new byte[8];
-
- for(int i = 0; i < key.length; i ++)
- key[i] = (byte)0;
-
- for(int i = 0; i < key.length && i < original.length(); i ++)
- {
- int iChar = (int)original.charAt(i);
-
- key[i] = (byte)(iChar << 1);
- }
-
- int schedule[] = des_set_key(key);
- int out[] = body(schedule, Eswap0, Eswap1);
-
- byte b[] = new byte[9];
-
- intToFourBytes(out[0], b, 0);
- intToFourBytes(out[1], b, 4);
- b[8] = 0;
-
- for(int i = 2, y = 0, u = 0x80; i < 13; i ++)
- {
- for(int j = 0, c = 0; j < 6; j ++)
- {
- c <<= 1;
-
- if(((int)b[y] & u) != 0)
- c |= 1;
-
- u >>>= 1;
-
- if(u == 0)
- {
- y++;
- u = 0x80;
- }
- buffer.setCharAt(i, (char)cov_2char[c]);
- }
- }
- return(buffer.toString());
- }
-
- /**
- *
Encrypt a password given the cleartext password. This method
- * generates a random salt using the 'java.util.Random' class.
- * @param original The password to be encrypted.
- * @return A string consisting of the 2-character salt followed by the
- * encrypted password.
- */
- public static final String crypt(String original)
- {
- java.util.Random randomGenerator = new java.util.Random();
- int numSaltChars = saltChars.length;
- String salt;
-
- salt = (new StringBuffer()).append(saltChars[Math.abs(randomGenerator.nextInt()) % numSaltChars]).append(saltChars[Math.abs(randomGenerator.nextInt()) % numSaltChars]).toString();
-
- return crypt(salt, original);
- }
-
- /**
- *
Check that enteredPassword encrypts to
- * encryptedPassword.
- * @param encryptedPassword The encryptedPassword. The first
- * two characters are assumed to be the salt. This string would
- * be the same as one found in a Unix /etc/passwd file.
- * @param enteredPassword The password as entered by the user (or
- * otherwise aquired).
- * @return true if the password should be considered correct.
- */
- public final static boolean matches(String encryptedPassword, String enteredPassword)
- {
- String salt = encryptedPassword.substring(0, 3);
- String newCrypt = crypt(salt, enteredPassword);
-
- return newCrypt.equals(encryptedPassword);
- }
-}
-
projects / postgresql.git / commitdiff