stmt->parameters[ipar].EXEC_buffer = NULL;
}
- if (pcbValue && *pcbValue <= SQL_LEN_DATA_AT_EXEC_OFFSET)
+ /* Data at exec macro only valid for C char/binary data */
+ if ((fSqlType == SQL_LONGVARBINARY || fSqlType == SQL_LONGVARCHAR) && pcbValue && *pcbValue <= SQL_LEN_DATA_AT_EXEC_OFFSET)
stmt->parameters[ipar].data_at_exec = TRUE;
else
stmt->parameters[ipar].data_at_exec = FALSE;
- mylog("SQLBindParamater: ipar = %d, *pcbValue = %d, data_at_exec = %d\n", ipar, pcbValue ? *pcbValue: -777, stmt->parameters[ipar].data_at_exec);
+ mylog("SQLBindParamater: ipar=%d, paramType=%d, fCType=%d, fSqlType=%d, cbColDef=%d, ibScale=%d, rgbValue=%d, *pcbValue = %d, data_at_exec = %d\n", ipar, fParamType, fCType, fSqlType, cbColDef, ibScale, rgbValue, pcbValue ? *pcbValue: -777, stmt->parameters[ipar].data_at_exec);
return SQL_SUCCESS;
}
icol--; /* use zero based col numbers from here out */
+ /* Reset for SQLGetData */
+ stmt->bindings[icol].data_left = -1;
+
if (rgbValue == NULL) {
/* we have to unbind the column */
stmt->bindings[icol].buflen = 0;
new_bindings[i].buflen = 0;
new_bindings[i].buffer = NULL;
new_bindings[i].used = NULL;
+ new_bindings[i].data_left = -1;
}
return new_bindings;
*/
struct BindInfoClass_ {
Int4 buflen; /* size of buffer */
+ Int4 data_left; /* amount of data left to read (SQLGetData) */
char *buffer; /* pointer to the buffer */
Int4 *used; /* used space in the buffer (for strings not counting the '\0') */
Int2 returntype; /* kind of conversion to be applied when returning (SQL_C_DEFAULT, SQL_C_CHAR...) */
extern GLOBAL_VALUES globals;
-// void CC_test(ConnectionClass *self);
RETCODE SQL_API SQLAllocConnect(
HENV henv,
rv->translation_handle = NULL;
rv->DataSourceToDriver = NULL;
rv->DriverToDataSource = NULL;
+
+
+ /* Initialize statement options to defaults */
+ /* Statements under this conn will inherit these options */
+
+ InitializeStatementOptions(&rv->stmtOptions);
+
+
}
return rv;
}
mylog("CC_abort: sending ABORT!\n");
- res = CC_send_query(self, "ABORT", NULL, NULL);
+ res = CC_send_query(self, "ABORT", NULL);
CC_set_no_trans(self);
if (res != NULL)
/* database really exists on the server machine */
mylog("sending an empty query...\n");
- res = CC_send_query(self, " ", NULL, NULL);
+ res = CC_send_query(self, " ", NULL);
if ( res == NULL || QR_get_status(res) != PGRES_EMPTY_QUERY) {
mylog("got no result from the empty query. (probably database does not exist)\n");
self->errornumber = CONNECTION_NO_SUCH_DATABASE;
CC_send_settings(self);
CC_lookup_lo(self); /* a hack to get the oid of our large object oid type */
- // CC_test(self);
-
CC_clear_error(self); /* clear any initial command errors */
self->status = CONN_CONNECTED;
'declare cursor C3326857 for ...' and 'fetch 100 in C3326857' statements.
*/
QResultClass *
-CC_send_query(ConnectionClass *self, char *query, QResultClass *result_in, char *cursor)
+CC_send_query(ConnectionClass *self, char *query, QueryInfo *qi)
{
-QResultClass *res = NULL;
+QResultClass *result_in, *res = NULL;
char id, swallow;
SocketClass *sock = self->sock;
static char msgbuffer[MAX_MESSAGE_LEN+1];
swallow = SOCK_get_char(sock);
if ((swallow != '\0') || SOCK_get_errcode(sock) != 0) {
self->errornumber = CONNECTION_BACKEND_CRAZY;
- self->errormsg = "Unexpected protocol character from backend";
+ self->errormsg = "Unexpected protocol character from backend (send_query - I)";
res = QR_Constructor();
QR_set_status(res, PGRES_FATAL_ERROR);
return res;
SOCK_get_string(sock, msgbuffer, MAX_MESSAGE_LEN);
break;
case 'T': /* Tuple results start here */
- if (result_in == NULL) {
+ result_in = qi ? qi->result_in : NULL;
+
+ if ( result_in == NULL) {
result_in = QR_Constructor();
mylog("send_query: 'T' no result_in: res = %u\n", result_in);
if ( ! result_in) {
return NULL;
}
- if ( ! QR_fetch_tuples(result_in, self, cursor)) {
+ if (qi)
+ QR_set_cache_size(result_in, qi->row_size);
+
+ if ( ! QR_fetch_tuples(result_in, self, qi ? qi->cursor : NULL)) {
self->errornumber = CONNECTION_COULD_NOT_RECEIVE;
self->errormsg = QR_get_message(result_in);
return NULL;
return res;
default:
self->errornumber = CONNECTION_BACKEND_CRAZY;
- self->errormsg = "Unexpected protocol character from backend";
+ self->errormsg = "Unexpected protocol character from backend (send_query)";
CC_set_no_trans(self);
mylog("send_query: error - %s\n", self->errormsg);
int i;
mylog("send_function(): conn=%u, fnid=%d, result_is_int=%d, nargs=%d\n", self, fnid, result_is_int, nargs);
-// qlog("conn=%u, func=%d\n", self, fnid);
if (SOCK_get_errcode(sock) != 0) {
self->errornumber = CONNECTION_COULD_NOT_SEND;
return FALSE;
+ case 'Z':
+ break;
+
default:
self->errornumber = CONNECTION_BACKEND_CRAZY;
- self->errormsg = "Unexpected protocol character from backend";
+ self->errormsg = "Unexpected protocol character from backend (send_function, args)";
CC_set_no_trans(self);
mylog("send_function: error - %s\n", self->errormsg);
default:
self->errornumber = CONNECTION_BACKEND_CRAZY;
- self->errormsg = "Unexpected protocol character from backend";
+ self->errormsg = "Unexpected protocol character from backend (send_function, result)";
CC_set_no_trans(self);
mylog("send_function: error - %s\n", self->errormsg);
qlog("INVALID CONNECTION HANDLE ERROR: func=%s, desc='%s'\n", func, desc);
}
-/*
-void
-CC_test(ConnectionClass *self)
-{
-static char *func = "CC_test";
-HSTMT hstmt1;
-RETCODE result;
-char pktab[255], fktab[255], pkcol[255], fkcol[255], tgname[255];
-SDWORD pktab_len, pkcol_len, fktab_len, fkcol_len, ur_len, dr_len, tgname_len;
-SWORD cols, seq;
-SDWORD update_rule, delete_rule;
-
- mylog( "%s: entering...\n", func);
-
- result = SQLAllocStmt( self, &hstmt1);
- if((result != SQL_SUCCESS) && (result != SQL_SUCCESS_WITH_INFO)) {
- return;
- }
-
- result = SQLPrimaryKeys(hstmt1, NULL, 0, NULL, 0, "t1", SQL_NTS);
-
- qlog("SQLPrimaryKeys result = %d\n", result);
-
- result = SQLNumResultCols(hstmt1, &cols);
- qlog("cols SQLTables result = %d\n", result);
-
- result = SQLBindCol(hstmt1, 3, SQL_C_CHAR, pktab, sizeof(pktab), &pktab_len);
- qlog("bind result = %d\n", result);
-
- result = SQLBindCol(hstmt1, 4, SQL_C_CHAR, pkcol, sizeof(pkcol), &pkcol_len);
- qlog("bind result = %d\n", result);
-
- result = SQLBindCol(hstmt1, 5, SQL_C_SHORT, &seq, 0, NULL);
- qlog("bind result = %d\n", result);
-
- result = SQLFetch(hstmt1);
- qlog("SQLFetch result = %d\n", result);
- while (result != SQL_NO_DATA_FOUND) {
- qlog("fetch on stmt1: result = %d, pktab='%s', pkcol='%s', seq=%d\n",
- result, pktab, pkcol, seq);
-
- result = SQLFetch(hstmt1);
- }
- qlog("SQLFetch result = %d\n", result);
-
- // Test of case #1
- result = SQLForeignKeys(hstmt1, "", SQL_NTS, "", SQL_NTS, "t1", SQL_NTS,
- NULL, 0, NULL, 0, NULL, 0);
-
- // Test of case #2
- result = SQLForeignKeys(hstmt1, "", SQL_NTS, "", SQL_NTS, NULL, 0,
- NULL, 0, NULL, 0, "ar_register", SQL_NTS);
-
-
- // Test of case #3
- result = SQLForeignKeys(hstmt1, NULL, 0, NULL, 0, "employee", SQL_NTS,
- NULL, 0, NULL, 0, "invoice", SQL_NTS);
-
- qlog("SQLForeignKeys result = %d\n", result);
-
- result = SQLNumResultCols(hstmt1, &cols);
- qlog("cols SQLTables result = %d\n", result);
-
- result = SQLBindCol(hstmt1, 3, SQL_C_CHAR, pktab, sizeof(pktab), &pktab_len);
- qlog("bind result = %d\n", result);
-
- result = SQLBindCol(hstmt1, 4, SQL_C_CHAR, pkcol, sizeof(pkcol), &pkcol_len);
- qlog("bind result = %d\n", result);
-
- result = SQLBindCol(hstmt1, 7, SQL_C_CHAR, fktab, sizeof(fktab), &fktab_len);
- qlog("bind result = %d\n", result);
-
- result = SQLBindCol(hstmt1, 8, SQL_C_CHAR, fkcol, sizeof(fkcol), &fkcol_len);
- qlog("bind result = %d\n", result);
-
- result = SQLBindCol(hstmt1, 9, SQL_C_SHORT, &seq, 0, NULL);
- qlog("bind result = %d\n", result);
-
- result = SQLBindCol(hstmt1, 10, SQL_C_LONG, &update_rule, 0, &ur_len);
- qlog("bind result = %d\n", result);
-
- result = SQLBindCol(hstmt1, 11, SQL_C_LONG, &delete_rule, 0, &dr_len);
- qlog("bind result = %d\n", result);
-
- result = SQLBindCol(hstmt1, 14, SQL_C_CHAR, tgname, sizeof(tgname), &tgname_len);
- qlog("bind result = %d\n", result);
-
- result = SQLFetch(hstmt1);
- qlog("SQLFetch result = %d\n", result);
- while (result != SQL_NO_DATA_FOUND) {
- qlog("fetch on stmt1: result = %d, pktab='%s', pkcol='%s', fktab='%s', fkcol='%s', seq=%d, update_rule=%d, ur_len=%d, delete_rule=%d, dr_len=%d, tgname='%s', tgname_len=%d\n",
- result, pktab, pkcol, fktab, fkcol, seq, update_rule, ur_len, delete_rule, dr_len, tgname, tgname_len);
-
- result = SQLFetch(hstmt1);
- }
- qlog("SQLFetch result = %d\n", result);
-
- SQLFreeStmt(hstmt1, SQL_DROP);
-
-}
-*/
-
-
-
} CONN_Status;
/* These errors have general sql error state */
-#define CONNECTION_SERVER_NOT_REACHED 1
-#define CONNECTION_MSG_TOO_LONG 3
-#define CONNECTION_COULD_NOT_SEND 4
-#define CONNECTION_NO_SUCH_DATABASE 5
-#define CONNECTION_BACKEND_CRAZY 6
-#define CONNECTION_NO_RESPONSE 7
-#define CONNECTION_SERVER_REPORTED_ERROR 8
-#define CONNECTION_COULD_NOT_RECEIVE 9
-#define CONNECTION_SERVER_REPORTED_WARNING 10
-#define CONNECTION_NEED_PASSWORD 12
+#define CONNECTION_SERVER_NOT_REACHED 101
+#define CONNECTION_MSG_TOO_LONG 103
+#define CONNECTION_COULD_NOT_SEND 104
+#define CONNECTION_NO_SUCH_DATABASE 105
+#define CONNECTION_BACKEND_CRAZY 106
+#define CONNECTION_NO_RESPONSE 107
+#define CONNECTION_SERVER_REPORTED_ERROR 108
+#define CONNECTION_COULD_NOT_RECEIVE 109
+#define CONNECTION_SERVER_REPORTED_WARNING 110
+#define CONNECTION_NEED_PASSWORD 112
/* These errors correspond to specific SQL states */
-#define CONN_INIREAD_ERROR 1
-#define CONN_OPENDB_ERROR 2
-#define CONN_STMT_ALLOC_ERROR 3
-#define CONN_IN_USE 4
-#define CONN_UNSUPPORTED_OPTION 5
+#define CONN_INIREAD_ERROR 201
+#define CONN_OPENDB_ERROR 202
+#define CONN_STMT_ALLOC_ERROR 203
+#define CONN_IN_USE 204
+#define CONN_UNSUPPORTED_OPTION 205
/* Used by SetConnectoption to indicate unsupported options */
-#define CONN_INVALID_ARGUMENT_NO 6
+#define CONN_INVALID_ARGUMENT_NO 206
/* SetConnectOption: corresponds to ODBC--"S1009" */
-#define CONN_TRANSACT_IN_PROGRES 7
-#define CONN_NO_MEMORY_ERROR 8
-#define CONN_NOT_IMPLEMENTED_ERROR 9
-#define CONN_INVALID_AUTHENTICATION 10
-#define CONN_AUTH_TYPE_UNSUPPORTED 11
-#define CONN_UNABLE_TO_LOAD_DLL 12
+#define CONN_TRANSACT_IN_PROGRES 207
+#define CONN_NO_MEMORY_ERROR 208
+#define CONN_NOT_IMPLEMENTED_ERROR 209
+#define CONN_INVALID_AUTHENTICATION 210
+#define CONN_AUTH_TYPE_UNSUPPORTED 211
+#define CONN_UNABLE_TO_LOAD_DLL 212
+#define CONN_OPTION_VALUE_CHANGED 213
/* Conn_status defines */
#define CONN_IN_AUTOCOMMIT 0x01
/******* The Connection handle ************/
struct ConnectionClass_ {
HENV henv; /* environment this connection was created on */
+ StatementOptions stmtOptions;
char *errormsg;
int errornumber;
CONN_Status status;
char CC_add_statement(ConnectionClass *self, StatementClass *stmt);
char CC_remove_statement(ConnectionClass *self, StatementClass *stmt);
char CC_get_error(ConnectionClass *self, int *number, char **message);
-QResultClass *CC_send_query(ConnectionClass *self, char *query, QResultClass *result_in, char *cursor);
+QResultClass *CC_send_query(ConnectionClass *self, char *query, QueryInfo *qi);
void CC_clear_error(ConnectionClass *self);
char *CC_create_errormsg(ConnectionClass *self);
int CC_send_function(ConnectionClass *conn, int fnid, void *result_buf, int *actual_result_len, int result_is_int, LO_ARG *argv, int nargs);
BindInfoClass *bic = &(stmt->bindings[col]);
return copy_and_convert_field(stmt, field_type, value, (Int2)bic->returntype, (PTR)bic->buffer,
- (SDWORD)bic->buflen, (SDWORD *)bic->used, FALSE);
+ (SDWORD)bic->buflen, (SDWORD *)bic->used);
}
/* This is called by SQLGetData() */
int
copy_and_convert_field(StatementClass *stmt, Int4 field_type, void *value, Int2 fCType,
- PTR rgbValue, SDWORD cbValueMax, SDWORD *pcbValue, char multiple)
+ PTR rgbValue, SDWORD cbValueMax, SDWORD *pcbValue)
{
-Int4 len = 0;
+Int4 len = 0, copy_len = 0;
SIMPLE_TIME st;
time_t t = time(NULL);
struct tm *tim;
+int pcbValueOffset, rgbValueOffset;
+char *rgbValueBindRow, *ptr;
+int bind_row = stmt->bind_row;
+int bind_size = stmt->options.bind_size;
+int result = COPY_OK;
+char tempBuf[TEXT_FIELD_SIZE+5];
+
+/* rgbValueOffset is *ONLY* for character and binary data */
+/* pcbValueOffset is for computing any pcbValue location */
+
+ if (bind_size > 0) {
+
+ pcbValueOffset = rgbValueOffset = (bind_size * bind_row);
+ }
+ else {
+
+ pcbValueOffset = bind_row * sizeof(SDWORD);
+ rgbValueOffset = bind_row * cbValueMax;
+
+ }
memset(&st, 0, sizeof(SIMPLE_TIME));
st.d = tim->tm_mday;
st.y = tim->tm_year + 1900;
- mylog("copy_and_convert: field_type = %d, fctype = %d, value = '%s', cbValueMax=%d\n", field_type, fCType, value, cbValueMax);
+ mylog("copy_and_convert: field_type = %d, fctype = %d, value = '%s', cbValueMax=%d\n", field_type, fCType, (value==NULL)?"":value, cbValueMax);
if ( ! value) {
/* handle a null just by returning SQL_NULL_DATA in pcbValue, */
/* and doing nothing to the buffer. */
if(pcbValue) {
- *pcbValue = SQL_NULL_DATA;
+ *(SDWORD *) ((char *) pcbValue + pcbValueOffset) = SQL_NULL_DATA;
}
return COPY_OK;
}
/* This is for internal use by SQLStatistics() */
case PG_TYPE_INT28: {
// this is an array of eight integers
- short *short_array = (short *)rgbValue;
+ short *short_array = (short *) ( (char *) rgbValue + rgbValueOffset);
len = 16;
/* There is no corresponding fCType for this. */
if(pcbValue)
- *pcbValue = len;
+ *(SDWORD *) ((char *) pcbValue + pcbValueOffset) = len;
return COPY_OK; /* dont go any further or the data will be trashed */
}
/* This is a large object OID, which is used to store LONGVARBINARY objects. */
case PG_TYPE_LO:
- return convert_lo( stmt, value, fCType, rgbValue, cbValueMax, pcbValue, multiple);
+ return convert_lo( stmt, value, fCType, ((char *) rgbValue + rgbValueOffset), cbValueMax, (SDWORD *) ((char *) pcbValue + pcbValueOffset));
default:
if (field_type == stmt->hdbc->lobj_type) /* hack until permanent type available */
- return convert_lo( stmt, value, fCType, rgbValue, cbValueMax, pcbValue, multiple);
+ return convert_lo( stmt, value, fCType, ((char *) rgbValue + rgbValueOffset), cbValueMax, (SDWORD *) ((char *) pcbValue + pcbValueOffset));
}
/* Change default into something useable */
}
+ rgbValueBindRow = (char *) rgbValue + rgbValueOffset;
+
if(fCType == SQL_C_CHAR) {
+
/* Special character formatting as required */
/* These really should return error if cbValueMax is not big enough. */
switch(field_type) {
case PG_TYPE_DATE:
len = 10;
if (cbValueMax > len)
- sprintf((char *)rgbValue, "%.4d-%.2d-%.2d", st.y, st.m, st.d);
+ sprintf(rgbValueBindRow, "%.4d-%.2d-%.2d", st.y, st.m, st.d);
break;
case PG_TYPE_TIME:
len = 8;
if (cbValueMax > len)
- sprintf((char *)rgbValue, "%.2d:%.2d:%.2d", st.hh, st.mm, st.ss);
+ sprintf(rgbValueBindRow, "%.2d:%.2d:%.2d", st.hh, st.mm, st.ss);
break;
case PG_TYPE_ABSTIME:
case PG_TYPE_TIMESTAMP:
len = 19;
if (cbValueMax > len)
- sprintf((char *) rgbValue, "%.4d-%.2d-%.2d %.2d:%.2d:%.2d",
+ sprintf(rgbValueBindRow, "%.4d-%.2d-%.2d %.2d:%.2d:%.2d",
st.y, st.m, st.d, st.hh, st.mm, st.ss);
break;
case PG_TYPE_BOOL:
len = 1;
if (cbValueMax > len) {
- strcpy((char *) rgbValue, value);
- mylog("PG_TYPE_BOOL: rgbValue = '%s'\n", rgbValue);
+ strcpy(rgbValueBindRow, value);
+ mylog("PG_TYPE_BOOL: rgbValueBindRow = '%s'\n", rgbValueBindRow);
}
break;
object used to store those.
*/
case PG_TYPE_BYTEA: // convert binary data to hex strings (i.e, 255 = "FF")
- len = convert_pgbinary_to_char(value, rgbValue, cbValueMax);
+ len = convert_pgbinary_to_char(value, rgbValueBindRow, cbValueMax);
+
+ /***** THIS IS NOT PROPERLY IMPLEMENTED *****/
break;
default:
/* convert linefeeds to carriage-return/linefeed */
- convert_linefeeds( (char *) value, rgbValue, cbValueMax);
- len = strlen(rgbValue);
+ len = convert_linefeeds(value, tempBuf, sizeof(tempBuf));
+ ptr = tempBuf;
+
+ mylog("DEFAULT: len = %d, ptr = '%s'\n", len, ptr);
+
+ if (stmt->current_col >= 0) {
+ if (stmt->bindings[stmt->current_col].data_left == 0)
+ return COPY_NO_DATA_FOUND;
+ else if (stmt->bindings[stmt->current_col].data_left > 0) {
+ ptr += len - stmt->bindings[stmt->current_col].data_left;
+ len = stmt->bindings[stmt->current_col].data_left;
+ }
+ else
+ stmt->bindings[stmt->current_col].data_left = strlen(value);
+ }
+
+ if (cbValueMax > 0) {
+
+ copy_len = (len >= cbValueMax) ? cbValueMax -1 : len;
- mylog(" SQL_C_CHAR, default: len = %d, cbValueMax = %d, rgbValue = '%s'\n", len, cbValueMax, rgbValue);
+ /* Copy the data */
+ strncpy_null(rgbValueBindRow, ptr, copy_len + 1);
+
+ /* Adjust data_left for next time */
+ if (stmt->current_col >= 0) {
+ stmt->bindings[stmt->current_col].data_left -= copy_len;
+ }
+ }
+
+ /* Finally, check for truncation so that proper status can be returned */
+ if ( len >= cbValueMax)
+ result = COPY_RESULT_TRUNCATED;
+
+
+ mylog(" SQL_C_CHAR, default: len = %d, cbValueMax = %d, rgbValueBindRow = '%s'\n", len, cbValueMax, rgbValueBindRow);
break;
}
case SQL_C_DATE:
len = 6;
{
- DATE_STRUCT *ds = (DATE_STRUCT *) rgbValue;
+ DATE_STRUCT *ds;
+
+ if (bind_size > 0) {
+ ds = (DATE_STRUCT *) ((char *) rgbValue + (bind_row * bind_size));
+ } else {
+ ds = (DATE_STRUCT *) rgbValue + bind_row;
+ }
ds->year = st.y;
ds->month = st.m;
ds->day = st.d;
case SQL_C_TIME:
len = 6;
{
- TIME_STRUCT *ts = (TIME_STRUCT *) rgbValue;
+ TIME_STRUCT *ts;
+
+ if (bind_size > 0) {
+ ts = (TIME_STRUCT *) ((char *) rgbValue + (bind_row * bind_size));
+ } else {
+ ts = (TIME_STRUCT *) rgbValue + bind_row;
+ }
ts->hour = st.hh;
ts->minute = st.mm;
ts->second = st.ss;
case SQL_C_TIMESTAMP:
len = 16;
{
- TIMESTAMP_STRUCT *ts = (TIMESTAMP_STRUCT *) rgbValue;
+ TIMESTAMP_STRUCT *ts;
+ if (bind_size > 0) {
+ ts = (TIMESTAMP_STRUCT *) ((char *) rgbValue + (bind_row * bind_size));
+ } else {
+ ts = (TIMESTAMP_STRUCT *) rgbValue + bind_row;
+ }
ts->year = st.y;
ts->month = st.m;
ts->day = st.d;
case SQL_C_BIT:
len = 1;
- *((UCHAR *)rgbValue) = atoi(value);
- mylog("SQL_C_BIT: val = %d, cb = %d, rgb=%d\n", atoi(value), cbValueMax, *((UCHAR *)rgbValue));
+ if (bind_size > 0) {
+ *(UCHAR *) ((char *) rgbValue + (bind_row * bind_size)) = atoi(value);
+ } else {
+ *((UCHAR *)rgbValue + bind_row) = atoi(value);
+ }
+ // mylog("SQL_C_BIT: val = %d, cb = %d, rgb=%d\n", atoi(value), cbValueMax, *((UCHAR *)rgbValue));
break;
case SQL_C_STINYINT:
case SQL_C_TINYINT:
len = 1;
- *((SCHAR *) rgbValue) = atoi(value);
+ if (bind_size > 0) {
+ *(SCHAR *) ((char *) rgbValue + (bind_row * bind_size)) = atoi(value);
+ } else {
+ *((SCHAR *) rgbValue + bind_row) = atoi(value);
+ }
break;
case SQL_C_UTINYINT:
len = 1;
- *((UCHAR *) rgbValue) = atoi(value);
+ if (bind_size > 0) {
+ *(UCHAR *) ((char *) rgbValue + (bind_row * bind_size)) = atoi(value);
+ } else {
+ *((UCHAR *) rgbValue + bind_row) = atoi(value);
+ }
break;
case SQL_C_FLOAT:
len = 4;
- *((SFLOAT *)rgbValue) = (float) atof(value);
+ if (bind_size > 0) {
+ *(SFLOAT *) ((char *) rgbValue + (bind_row * bind_size)) = (float) atof(value);
+ } else {
+ *((SFLOAT *)rgbValue + bind_row) = (float) atof(value);
+ }
break;
case SQL_C_DOUBLE:
len = 8;
- *((SDOUBLE *)rgbValue) = atof(value);
+ if (bind_size > 0) {
+ *(SDOUBLE *) ((char *) rgbValue + (bind_row * bind_size)) = atof(value);
+ } else {
+ *((SDOUBLE *)rgbValue + bind_row) = atof(value);
+ }
break;
case SQL_C_SSHORT:
case SQL_C_SHORT:
len = 2;
- *((SWORD *)rgbValue) = atoi(value);
+ if (bind_size > 0) {
+ *(SWORD *) ((char *) rgbValue + (bind_row * bind_size)) = atoi(value);
+ } else {
+ *((SWORD *)rgbValue + bind_row) = atoi(value);
+ }
break;
case SQL_C_USHORT:
len = 2;
- *((UWORD *)rgbValue) = atoi(value);
+ if (bind_size > 0) {
+ *(UWORD *) ((char *) rgbValue + (bind_row * bind_size)) = atoi(value);
+ } else {
+ *((UWORD *)rgbValue + bind_row) = atoi(value);
+ }
break;
case SQL_C_SLONG:
case SQL_C_LONG:
len = 4;
- *((SDWORD *)rgbValue) = atol(value);
+ if (bind_size > 0) {
+ *(SDWORD *) ((char *) rgbValue + (bind_row * bind_size)) = atol(value);
+ } else {
+ *((SDWORD *)rgbValue + bind_row) = atol(value);
+ }
break;
case SQL_C_ULONG:
len = 4;
- *((UDWORD *)rgbValue) = atol(value);
+ if (bind_size > 0) {
+ *(UDWORD *) ((char *) rgbValue + (bind_row * bind_size)) = atol(value);
+ } else {
+ *((UDWORD *)rgbValue + bind_row) = atol(value);
+ }
break;
case SQL_C_BINARY:
// truncate if necessary
// convert octal escapes to bytes
- len = convert_from_pgbinary(value, rgbValue, cbValueMax);
- mylog("SQL_C_BINARY: len = %d\n", len);
+
+ len = convert_from_pgbinary(value, tempBuf, sizeof(tempBuf));
+ ptr = tempBuf;
+
+ if (stmt->current_col >= 0) {
+
+ /* No more data left for this column */
+ if (stmt->bindings[stmt->current_col].data_left == 0)
+ return COPY_NO_DATA_FOUND;
+
+ /* Second (or more) call to SQLGetData so move the pointer */
+ else if (stmt->bindings[stmt->current_col].data_left > 0) {
+ ptr += len - stmt->bindings[stmt->current_col].data_left;
+ len = stmt->bindings[stmt->current_col].data_left;
+ }
+
+ /* First call to SQLGetData so initialize data_left */
+ else
+ stmt->bindings[stmt->current_col].data_left = len;
+
+ }
+
+ if (cbValueMax > 0) {
+ copy_len = (len > cbValueMax) ? cbValueMax : len;
+
+ /* Copy the data */
+ memcpy(rgbValueBindRow, ptr, copy_len);
+
+ /* Adjust data_left for next time */
+ if (stmt->current_col >= 0) {
+ stmt->bindings[stmt->current_col].data_left -= copy_len;
+ }
+ }
+
+ /* Finally, check for truncation so that proper status can be returned */
+ if ( len > cbValueMax)
+ result = COPY_RESULT_TRUNCATED;
+
+ mylog("SQL_C_BINARY: len = %d, copy_len = %d\n", len, copy_len);
break;
default:
}
// store the length of what was copied, if there's a place for it
- if(pcbValue)
- *pcbValue = len;
+ if(pcbValue) {
+ *(SDWORD *) ((char *)pcbValue + pcbValueOffset) = len;
+ }
- return COPY_OK;
+ return result;
}
SDWORD used;
char *buffer, *buf;
char in_quote = FALSE;
+Oid lobj_oid;
+int lobj_fd, retval;
if ( ! old_statement) {
case SQL_VARBINARY: /* non-ascii characters should be converted to octal */
new_statement[npos++] = '\''; /* Open Quote */
- mylog("SQL_LONGVARBINARY: about to call convert_to_pgbinary, used = %d\n", used);
+ mylog("SQL_VARBINARY: about to call convert_to_pgbinary, used = %d\n", used);
npos += convert_to_pgbinary(buf, &new_statement[npos], used);
new_statement[npos++] = '\''; /* Close Quote */
break;
+
case SQL_LONGVARBINARY:
+
+ if ( stmt->parameters[param_number].data_at_exec) {
+
+ lobj_oid = stmt->parameters[param_number].lobj_oid;
+
+ }
+ else {
+
+ /* store the oid */
+ lobj_oid = lo_creat(stmt->hdbc, INV_READ | INV_WRITE);
+ if (lobj_oid == 0) {
+ stmt->errornumber = STMT_EXEC_ERROR;
+ stmt->errormsg = "Couldnt create (in-line) large object.";
+ SC_log_error(func, "", stmt);
+ return SQL_ERROR;
+ }
+
+ /* store the fd */
+ lobj_fd = lo_open(stmt->hdbc, lobj_oid, INV_WRITE);
+ if ( lobj_fd < 0) {
+ stmt->errornumber = STMT_EXEC_ERROR;
+ stmt->errormsg = "Couldnt open (in-line) large object for writing.";
+ SC_log_error(func, "", stmt);
+ return SQL_ERROR;
+ }
+
+ retval = lo_write(stmt->hdbc, lobj_fd, buffer, used);
+
+ lo_close(stmt->hdbc, lobj_fd);
+ }
+
/* the oid of the large object -- just put that in for the
parameter marker -- the data has already been sent to the large object
*/
- sprintf(param_string, "%d", stmt->parameters[param_number].lobj_oid);
+ sprintf(param_string, "%d", lobj_oid);
strcpy(&new_statement[npos], param_string);
npos += strlen(param_string);
}
/* Change linefeed to carriage-return/linefeed */
-char *
+int
convert_linefeeds(char *si, char *dst, size_t max)
{
size_t i = 0, out = 0;
-static char sout[TEXT_FIELD_SIZE+5];
-char *p;
-
- if (dst)
- p = dst;
- else {
- p = sout;
- max = sizeof(sout);
- }
-
- p[0] = '\0';
- for (i = 0; i < strlen(si) && out < max; i++) {
+ for (i = 0; i < strlen(si) && out < max - 1; i++) {
if (si[i] == '\n') {
/* Only add the carriage-return if needed */
if (i > 0 && si[i-1] == '\r') {
- p[out++] = si[i];
+ dst[out++] = si[i];
continue;
}
- p[out++] = '\r';
- p[out++] = '\n';
+ dst[out++] = '\r';
+ dst[out++] = '\n';
}
else
- p[out++] = si[i];
+ dst[out++] = si[i];
}
- p[out] = '\0';
- return p;
+ dst[out] = '\0';
+ return out;
}
/* Change carriage-return/linefeed to just linefeed
{
size_t i;
int o=0;
+
for (i = 0; i < strlen(value); ) {
if (value[i] == '\\') {
o++;
}
- rgbValue[o] = '\0';
+ rgbValue[o] = '\0'; // extra protection
return o;
}
for (i = 0; i < len; i++) {
mylog("convert_to_pgbinary: in[%d] = %d, %c\n", i, in[i], in[i]);
- if (in[i] < 32 || in[i] > 126) {
+ if ( isalnum(in[i]) || in[i] == ' ') {
+ out[o++] = in[i];
+ }
+ else {
strcpy(&out[o], conv_to_octal(in[i]));
o += 5;
}
- else
- out[o++] = in[i];
}
*/
int
convert_lo(StatementClass *stmt, void *value, Int2 fCType, PTR rgbValue,
- SDWORD cbValueMax, SDWORD *pcbValue, char multiple)
+ SDWORD cbValueMax, SDWORD *pcbValue)
{
Oid oid;
-int retval;
+int retval, result, left = -1;
+int bind_row = stmt->bind_row;
+BindInfoClass *bindInfo = NULL;
+
+
+/* If using SQLGetData, then current_col will be set */
+ if (stmt->current_col >= 0) {
+ bindInfo = &stmt->bindings[stmt->current_col];
+ left = bindInfo->data_left;
+ }
/* if this is the first call for this column,
open the large object for reading
*/
- if ( ! multiple) {
+
+ if ( ! bindInfo || bindInfo->data_left == -1) {
oid = atoi(value);
stmt->lobj_fd = lo_open(stmt->hdbc, oid, INV_READ);
if (stmt->lobj_fd < 0) {
stmt->errormsg = "Couldnt open large object for reading.";
return COPY_GENERAL_ERROR;
}
+
+ /* Get the size */
+ retval = lo_lseek(stmt->hdbc, stmt->lobj_fd, 0L, SEEK_END);
+ if (retval >= 0) {
+
+ left = lo_tell(stmt->hdbc, stmt->lobj_fd);
+ if (bindInfo)
+ bindInfo->data_left = left;
+
+ /* return to beginning */
+ lo_lseek(stmt->hdbc, stmt->lobj_fd, 0L, SEEK_SET);
+ }
+ }
+
+ if (left == 0) {
+ return COPY_NO_DATA_FOUND;
}
if (stmt->lobj_fd < 0) {
return COPY_GENERAL_ERROR;
}
- retval = lo_read(stmt->hdbc, stmt->lobj_fd, rgbValue, cbValueMax);
+ retval = lo_read(stmt->hdbc, stmt->lobj_fd, (char *) rgbValue, cbValueMax);
if (retval < 0) {
lo_close(stmt->hdbc, stmt->lobj_fd);
stmt->lobj_fd = -1;
stmt->errormsg = "Error reading from large object.";
return COPY_GENERAL_ERROR;
}
- else if (retval < cbValueMax) { /* success, all done */
- lo_close(stmt->hdbc, stmt->lobj_fd);
- stmt->lobj_fd = -1; /* prevent further reading */
- if (pcbValue)
- *pcbValue = retval;
+ if (retval < left)
+ result = COPY_RESULT_TRUNCATED;
+ else
+ result = COPY_OK;
+
+ if (pcbValue)
+ *pcbValue = left < 0 ? SQL_NO_TOTAL : left;
- return COPY_OK;
- }
- else { /* retval == cbVaueMax -- assume truncated */
- if (pcbValue)
- *pcbValue = SQL_NO_TOTAL;
- return COPY_RESULT_TRUNCATED;
+ if (bindInfo && bindInfo->data_left > 0)
+ bindInfo->data_left -= retval;
+
+ if (! bindInfo || bindInfo->data_left == 0) {
+ lo_close(stmt->hdbc, stmt->lobj_fd);
+ stmt->lobj_fd = -1; /* prevent further reading */
}
+
+
+ return result;
+
}
int copy_and_convert_field_bindinfo(StatementClass *stmt, Int4 field_type, void *value, int col);
int copy_and_convert_field(StatementClass *stmt, Int4 field_type, void *value, Int2 fCType,
- PTR rgbValue, SDWORD cbValueMax, SDWORD *pcbValue, char multiple);
+ PTR rgbValue, SDWORD cbValueMax, SDWORD *pcbValue);
int copy_statement_with_parameters(StatementClass *stmt);
char *convert_escape(char *value);
char *convert_money(char *s);
char parse_datetime(char *buf, SIMPLE_TIME *st);
-char *convert_linefeeds(char *s, char *dst, size_t max);
+int convert_linefeeds(char *s, char *dst, size_t max);
char *convert_special_chars(char *si, char *dst, int used);
int convert_pgbinary_to_char(char *value, char *rgbValue, int cbValueMax);
void encode(char *in, char *out);
void decode(char *in, char *out);
int convert_lo(StatementClass *stmt, void *value, Int2 fCType, PTR rgbValue,
- SDWORD cbValueMax, SDWORD *pcbValue, char multiple);
+ SDWORD cbValueMax, SDWORD *pcbValue);
#endif
CheckDlgButton(hdlg, DRV_PARSE, globals.parse);
+ CheckDlgButton(hdlg, DRV_CANCELASFREESTMT, globals.cancel_as_freestmt);
+
SetDlgItemInt(hdlg, DRV_CACHE_SIZE, globals.fetch_max, FALSE);
SetDlgItemInt(hdlg, DRV_VARCHAR_SIZE, globals.max_varchar_size, FALSE);
SetDlgItemInt(hdlg, DRV_LONGVARCHAR_SIZE, globals.max_longvarchar_size, TRUE);
globals.parse = IsDlgButtonChecked(hdlg, DRV_PARSE);
+ globals.cancel_as_freestmt = IsDlgButtonChecked(hdlg, DRV_CANCELASFREESTMT);
+
globals.fetch_max = GetDlgItemInt(hdlg, DRV_CACHE_SIZE, NULL, FALSE);
globals.max_varchar_size = GetDlgItemInt(hdlg, DRV_VARCHAR_SIZE, NULL, FALSE);
globals.max_longvarchar_size= GetDlgItemInt(hdlg, DRV_LONGVARCHAR_SIZE, NULL, TRUE); // allows for SQL_NO_TOTAL
CheckDlgButton(hdlg, DRV_USEDECLAREFETCH, DEFAULT_USEDECLAREFETCH);
CheckDlgButton(hdlg, DRV_PARSE, DEFAULT_PARSE);
+ CheckDlgButton(hdlg, DRV_CANCELASFREESTMT, DEFAULT_CANCELASFREESTMT);
/* Unknown Sizes */
CheckDlgButton(hdlg, DRV_UNKNOWN_DONTKNOW, 0);
else if ( ! override)
globals.parse = DEFAULT_PARSE;
+ // SQLCancel calls SQLFreeStmt in Driver Manager
+ SQLGetPrivateProfileString(section, INI_CANCELASFREESTMT, "",
+ temp, sizeof(temp), filename);
+ if ( temp[0] )
+ globals.cancel_as_freestmt = atoi(temp);
+ else if ( ! override)
+ globals.cancel_as_freestmt = DEFAULT_CANCELASFREESTMT;
+
// Readonly is stored in the driver section AND per datasource
SQLGetPrivateProfileString(section, INI_READONLY, "",
temp, sizeof(temp), filename);
SQLWritePrivateProfileString(DBMS_NAME,
INI_PARSE, tmp, ODBCINST_INI);
+ sprintf(tmp, "%d", globals.cancel_as_freestmt);
+ SQLWritePrivateProfileString(DBMS_NAME,
+ INI_CANCELASFREESTMT, tmp, ODBCINST_INI);
+
sprintf(tmp, "%d", globals.max_varchar_size);
SQLWritePrivateProfileString(DBMS_NAME,
INI_MAXVARCHARSIZE, tmp, ODBCINST_INI);
#define INI_UNIQUEINDEX "UniqueIndex" /* Recognize unique indexes */
#define INI_UNKNOWNSIZES "UnknownSizes" /* How to handle unknown result set sizes */
+#define INI_CANCELASFREESTMT "CancelAsFreeStmt"
+
#define INI_USEDECLAREFETCH "UseDeclareFetch" /* Use Declare/Fetch cursors */
/* More ini stuff */
#define DEFAULT_LIE 0
#define DEFAULT_PARSE 0
+#define DEFAULT_CANCELASFREESTMT 0
+
#define DEFAULT_EXTRASYSTABLEPREFIXES "dd_;"
/* prototypes */
strcpy(szSqlState, "S1000");
// general error
break;
+ case STMT_ROW_OUT_OF_RANGE:
+ strcpy(szSqlState, "S1107");
+ break;
+
+ case STMT_OPERATION_CANCELLED:
+ strcpy(szSqlState, "S1008");
+ break;
+
case STMT_NOT_IMPLEMENTED_ERROR:
strcpy(szSqlState, "S1C00"); // == 'driver not capable'
break;
case STMT_NO_CURSOR_NAME:
strcpy(szSqlState, "S1015");
break;
- default:
+ case STMT_INVALID_ARGUMENT_NO:
+ strcpy(szSqlState, "S1009");
+ // invalid argument value
+ break;
+ case STMT_INVALID_CURSOR_POSITION:
+ strcpy(szSqlState, "S1109");
+ break;
+
+ default:
strcpy(szSqlState, "S1000");
// also a general error
break;
if (NULL != szSqlState)
switch(status) {
+ case STMT_OPTION_VALUE_CHANGED:
+ case CONN_OPTION_VALUE_CHANGED:
+ strcpy(szSqlState, "01S02");
+ break;
case CONN_INIREAD_ERROR:
strcpy(szSqlState, "IM002");
// data source not found
strcpy(szSqlState, "S1001");
break;
case CONN_NOT_IMPLEMENTED_ERROR:
+ case STMT_NOT_IMPLEMENTED_ERROR:
strcpy(szSqlState, "S1C00");
break;
default:
#include "bind.h"
#include "lobj.h"
+extern GLOBAL_VALUES globals;
+
// Perform a Prepare on the SQL statement
RETCODE SQL_API SQLPrepare(HSTMT hstmt,
mylog("SQLTransact: sending on conn %d '%s'\n", conn, stmt_string);
- res = CC_send_query(conn, stmt_string, NULL, NULL);
+ res = CC_send_query(conn, stmt_string, NULL);
CC_set_no_trans(conn);
if ( ! res) {
// - - - - - - - - -
-
RETCODE SQL_API SQLCancel(
HSTMT hstmt) // Statement to cancel.
{
static char *func="SQLCancel";
StatementClass *stmt = (StatementClass *) hstmt;
+RETCODE result;
+HMODULE hmodule;
+FARPROC addr;
mylog( "%s: entering...\n", func);
}
// Not in the middle of SQLParamData/SQLPutData so cancel like a close.
- if (stmt->data_at_exec < 0)
- return SQLFreeStmt(hstmt, SQL_CLOSE);
+ if (stmt->data_at_exec < 0) {
+
+
+ /* MAJOR HACK for Windows to reset the driver manager's cursor state:
+ Because of what seems like a bug in the Odbc driver manager,
+ SQLCancel does not act like a SQLFreeStmt(CLOSE), as many
+ applications depend on this behavior. So, this
+ brute force method calls the driver manager's function on
+ behalf of the application.
+ */
+
+#ifdef WIN32
+ if (globals.cancel_as_freestmt) {
+ hmodule = GetModuleHandle("ODBC32");
+ addr = GetProcAddress(hmodule, "SQLFreeStmt");
+ result = addr( (char *) (stmt->phstmt) - 96, SQL_CLOSE);
+ }
+ else {
+ result = SQLFreeStmt( hstmt, SQL_CLOSE);
+ }
+#else
+ result = SQLFreeStmt( hstmt, SQL_CLOSE);
+#endif
+
+ mylog("SQLCancel: SQLFreeStmt returned %d\n", result);
+
+ SC_clear_error(hstmt);
+ return SQL_SUCCESS;
+ }
// In the middle of SQLParamData/SQLPutData, so cancel that.
// Note, any previous data-at-exec buffers will be freed in the recycle
ConnInfo *ci;
char *p;
- mylog( "%s: entering...\n", func);
+ mylog( "%s: entering...fInfoType=%d\n", func, fInfoType);
if ( ! conn) {
CC_log_error(func, "", NULL);
break;
case SQL_DBMS_NAME: /* ODBC 1.0 */
- if (pcbInfoValue) *pcbInfoValue = 10;
+ if (pcbInfoValue) *pcbInfoValue = strlen(DBMS_NAME);
strncpy_null((char *)rgbInfoValue, DBMS_NAME, (size_t)cbInfoValueMax);
break;
// by direct experimentation they are not. postgres forces
// the newer transaction to wait before doing something that
// would cause one of these problems.
- *((DWORD *)rgbInfoValue) = SQL_TXN_SERIALIZABLE;
+ *((DWORD *)rgbInfoValue) = SQL_TXN_READ_COMMITTED; //SQL_TXN_SERIALIZABLE;
if(pcbInfoValue) { *pcbInfoValue = 4; }
break;
case SQL_FETCH_DIRECTION: /* ODBC 1.0 */
// which fetch directions are supported? (bitmask)
- *((DWORD *)rgbInfoValue) = globals.use_declarefetch ? 0 : (SQL_FD_FETCH_NEXT |
+ *((DWORD *)rgbInfoValue) = globals.use_declarefetch ? (SQL_FD_FETCH_NEXT) : (SQL_FD_FETCH_NEXT |
SQL_FD_FETCH_FIRST |
SQL_FD_FETCH_LAST |
SQL_FD_FETCH_PRIOR |
- SQL_FD_FETCH_ABSOLUTE);
+ SQL_FD_FETCH_ABSOLUTE |
+ SQL_FD_FETCH_RELATIVE);
if(pcbInfoValue) { *pcbInfoValue = 4; }
break;
case SQL_GETDATA_EXTENSIONS: /* ODBC 2.0 */
// (bitmask)
- *((DWORD *)rgbInfoValue) = (SQL_GD_ANY_COLUMN | SQL_GD_ANY_ORDER | SQL_GD_BOUND);
+ *((DWORD *)rgbInfoValue) = (SQL_GD_ANY_COLUMN | SQL_GD_ANY_ORDER | SQL_GD_BOUND | SQL_GD_BLOCK);
if(pcbInfoValue) { *pcbInfoValue = 4; }
break;
break;
case SQL_IDENTIFIER_CASE: /* ODBC 1.0 */
- // are identifiers case-sensitive (yes)
- *((WORD *)rgbInfoValue) = SQL_IC_SENSITIVE;
+ // are identifiers case-sensitive (yes, but only when quoted. If not quoted, they
+ // default to lowercase)
+ *((WORD *)rgbInfoValue) = SQL_IC_LOWER;
if(pcbInfoValue) { *pcbInfoValue = 2; }
break;
case SQL_LOCK_TYPES: /* ODBC 2.0 */
// which lock types does SQLSetPos support? (bitmask)
- // SQLSetPos doesn't exist yet
- *((DWORD *)rgbInfoValue) = globals.lie ? (SQL_LCK_NO_CHANGE | SQL_LCK_EXCLUSIVE | SQL_LCK_UNLOCK) : 0;
+ *((DWORD *)rgbInfoValue) = globals.lie ? (SQL_LCK_NO_CHANGE | SQL_LCK_EXCLUSIVE | SQL_LCK_UNLOCK) : SQL_LCK_NO_CHANGE;
if(pcbInfoValue) { *pcbInfoValue = 4; }
break;
case SQL_POS_OPERATIONS: /* ODBC 2.0 */
// what functions does SQLSetPos support? (bitmask)
- // SQLSetPos does not exist yet
- *((DWORD *)rgbInfoValue) = globals.lie ? (SQL_POS_POSITION | SQL_POS_REFRESH | SQL_POS_UPDATE | SQL_POS_DELETE | SQL_POS_ADD) : 0;
+ *((DWORD *)rgbInfoValue) = globals.lie ? (SQL_POS_POSITION | SQL_POS_REFRESH | SQL_POS_UPDATE | SQL_POS_DELETE | SQL_POS_ADD) : (SQL_POS_POSITION | SQL_POS_REFRESH);
if(pcbInfoValue) { *pcbInfoValue = 4; }
break;
break;
case SQL_QUOTED_IDENTIFIER_CASE: /* ODBC 2.0 */
- // are "quoted" identifiers case-sensitive?
- // well, we don't really let you quote identifiers, so...
+ // are "quoted" identifiers case-sensitive? YES
*((WORD *)rgbInfoValue) = SQL_IC_SENSITIVE;
if(pcbInfoValue) { *pcbInfoValue = 2; }
break;
case SQL_TXN_ISOLATION_OPTION: /* ODBC 1.0 */
// what transaction isolation options are available? (bitmask)
// only the default--serializable transactions.
- *((DWORD *)rgbInfoValue) = SQL_TXN_SERIALIZABLE;
+ *((DWORD *)rgbInfoValue) = SQL_TXN_READ_COMMITTED; // SQL_TXN_SERIALIZABLE;
if(pcbInfoValue) { *pcbInfoValue = 4; }
break;
StatementClass *stmt = (StatementClass *) hstmt;
TupleNode *row;
int i;
-Int4 type;
+// Int4 type;
+Int4 pgType;
+Int2 sqlType;
mylog("%s: entering...fSqlType = %d\n", func, fSqlType);
return SQL_INVALID_HANDLE;
}
+
stmt->manual_result = TRUE;
stmt->result = QR_Constructor();
if( ! stmt->result) {
QR_set_field_info(stmt->result, 13, "MINIMUM_SCALE", PG_TYPE_INT2, 2);
QR_set_field_info(stmt->result, 14, "MAXIMUM_SCALE", PG_TYPE_INT2, 2);
+ for(i=0, sqlType = sqlTypes[0]; sqlType; sqlType = sqlTypes[++i]) {
+ pgType = sqltype_to_pgtype(sqlType);
+
+ if (fSqlType == SQL_ALL_TYPES || fSqlType == sqlType) {
+ row = (TupleNode *)malloc(sizeof(TupleNode) + (15 - 1)*sizeof(TupleField));
+
+ /* These values can't be NULL */
+ set_tuplefield_string(&row->tuple[0], pgtype_to_name(stmt, pgType));
+ set_tuplefield_int2(&row->tuple[1], (Int2) sqlType);
+ set_tuplefield_int2(&row->tuple[6], pgtype_nullable(stmt, pgType));
+ set_tuplefield_int2(&row->tuple[7], pgtype_case_sensitive(stmt, pgType));
+ set_tuplefield_int2(&row->tuple[8], pgtype_searchable(stmt, pgType));
+ set_tuplefield_int2(&row->tuple[10], pgtype_money(stmt, pgType));
+
+ /* Localized data-source dependent data type name (always NULL) */
+ set_tuplefield_null(&row->tuple[12]);
+
+ /* These values can be NULL */
+ set_nullfield_int4(&row->tuple[2], pgtype_precision(stmt, pgType, PG_STATIC, PG_STATIC));
+ set_nullfield_string(&row->tuple[3], pgtype_literal_prefix(stmt, pgType));
+ set_nullfield_string(&row->tuple[4], pgtype_literal_suffix(stmt, pgType));
+ set_nullfield_string(&row->tuple[5], pgtype_create_params(stmt, pgType));
+ set_nullfield_int2(&row->tuple[9], pgtype_unsigned(stmt, pgType));
+ set_nullfield_int2(&row->tuple[11], pgtype_auto_increment(stmt, pgType));
+ set_nullfield_int2(&row->tuple[13], pgtype_scale(stmt, pgType));
+ set_nullfield_int2(&row->tuple[14], pgtype_scale(stmt, pgType));
+
+ QR_add_tuple(stmt->result, row);
+ }
+ }
+
// cycle through the types
- for(i=0, type = pgtypes_defined[0]; type; type = pgtypes_defined[++i]) {
+// for(i=0, type = pgtypes_defined[0]; type; type = pgtypes_defined[++i]) {
- if(fSqlType == SQL_ALL_TYPES || fSqlType == pgtype_to_sqltype(stmt, type)) {
+// if(fSqlType == SQL_ALL_TYPES || fSqlType == pgtype_to_sqltype(stmt, type)) {
- row = (TupleNode *)malloc(sizeof(TupleNode) + (15 - 1)*sizeof(TupleField));
+// row = (TupleNode *)malloc(sizeof(TupleNode) + (15 - 1)*sizeof(TupleField));
/* These values can't be NULL */
+/*
set_tuplefield_string(&row->tuple[0], pgtype_to_name(stmt, type));
set_tuplefield_int2(&row->tuple[1], pgtype_to_sqltype(stmt, type));
set_tuplefield_int2(&row->tuple[6], pgtype_nullable(stmt, type));
set_tuplefield_int2(&row->tuple[7], pgtype_case_sensitive(stmt, type));
set_tuplefield_int2(&row->tuple[8], pgtype_searchable(stmt, type));
set_tuplefield_int2(&row->tuple[10], pgtype_money(stmt, type));
-
+*/
/* Localized data-source dependent data type name (always NULL) */
- set_tuplefield_null(&row->tuple[12]);
+// set_tuplefield_null(&row->tuple[12]);
/* These values can be NULL */
+/*
set_nullfield_int4(&row->tuple[2], pgtype_precision(stmt, type, PG_STATIC, PG_STATIC));
set_nullfield_string(&row->tuple[3], pgtype_literal_prefix(stmt, type));
set_nullfield_string(&row->tuple[4], pgtype_literal_suffix(stmt, type));
set_nullfield_int2(&row->tuple[14], pgtype_scale(stmt, type));
QR_add_tuple(stmt->result, row);
- }
- }
+*/
+// }
+// }
stmt->status = STMT_FINISHED;
stmt->currTuple = -1;
+ stmt->rowset_start = -1;
stmt->current_col = -1;
return SQL_SUCCESS;
pfExists[SQL_API_SQLDATASOURCES] = FALSE; // only implemented by DM
pfExists[SQL_API_SQLDESCRIBEPARAM] = FALSE; // not properly implemented
pfExists[SQL_API_SQLDRIVERS] = FALSE; // only implemented by DM
- pfExists[SQL_API_SQLEXTENDEDFETCH] = globals.use_declarefetch ? FALSE : TRUE;
+ pfExists[SQL_API_SQLEXTENDEDFETCH] = TRUE;
pfExists[SQL_API_SQLFOREIGNKEYS] = TRUE;
pfExists[SQL_API_SQLMORERESULTS] = TRUE;
pfExists[SQL_API_SQLNATIVESQL] = TRUE;
pfExists[SQL_API_SQLPRIMARYKEYS] = TRUE;
pfExists[SQL_API_SQLPROCEDURECOLUMNS] = FALSE;
pfExists[SQL_API_SQLPROCEDURES] = FALSE;
- pfExists[SQL_API_SQLSETPOS] = FALSE;
- pfExists[SQL_API_SQLSETSCROLLOPTIONS] = FALSE; // odbc 1.0
+ pfExists[SQL_API_SQLSETPOS] = TRUE;
+ pfExists[SQL_API_SQLSETSCROLLOPTIONS] = TRUE; // odbc 1.0
pfExists[SQL_API_SQLTABLEPRIVILEGES] = FALSE;
}
} else {
case SQL_API_SQLDATASOURCES: *pfExists = FALSE; break; // only implemented by DM
case SQL_API_SQLDESCRIBEPARAM: *pfExists = FALSE; break; // not properly implemented
case SQL_API_SQLDRIVERS: *pfExists = FALSE; break; // only implemented by DM
- case SQL_API_SQLEXTENDEDFETCH: *pfExists = globals.use_declarefetch ? FALSE : TRUE; break;
+ case SQL_API_SQLEXTENDEDFETCH: *pfExists = TRUE; break;
case SQL_API_SQLFOREIGNKEYS: *pfExists = TRUE; break;
case SQL_API_SQLMORERESULTS: *pfExists = TRUE; break;
case SQL_API_SQLNATIVESQL: *pfExists = TRUE; break;
case SQL_API_SQLPRIMARYKEYS: *pfExists = TRUE; break;
case SQL_API_SQLPROCEDURECOLUMNS: *pfExists = FALSE; break;
case SQL_API_SQLPROCEDURES: *pfExists = FALSE; break;
- case SQL_API_SQLSETPOS: *pfExists = FALSE; break;
- case SQL_API_SQLSETSCROLLOPTIONS: *pfExists = FALSE; break; // odbc 1.0
+ case SQL_API_SQLSETPOS: *pfExists = TRUE; break;
+ case SQL_API_SQLSETSCROLLOPTIONS: *pfExists = TRUE; break; // odbc 1.0
case SQL_API_SQLTABLEPRIVILEGES: *pfExists = FALSE; break;
}
}
// set up the current tuple pointer for SQLFetch
stmt->currTuple = -1;
+ stmt->rowset_start = -1;
stmt->current_col = -1;
SQLFreeStmt(htbl_stmt, SQL_DROP);
// set up the current tuple pointer for SQLFetch
stmt->currTuple = -1;
+ stmt->rowset_start = -1;
stmt->current_col = -1;
SQLFreeStmt(hcol_stmt, SQL_DROP);
}
stmt->status = STMT_FINISHED;
stmt->currTuple = -1;
+ stmt->rowset_start = -1;
stmt->current_col = -1;
mylog("SQLSpecialColumns(): EXIT, stmt=%u\n", stmt);
// set up the current tuple pointer for SQLFetch
stmt->currTuple = -1;
+ stmt->rowset_start = -1;
stmt->current_col = -1;
error = FALSE;
// set up the current tuple pointer for SQLFetch
stmt->currTuple = -1;
+ stmt->rowset_start = -1;
stmt->current_col = -1;
mylog("SQLPrimaryKeys(): EXIT, stmt=%u\n", stmt);
// set up the current tuple pointer for SQLFetch
stmt->currTuple = -1;
+ stmt->rowset_start = -1;
stmt->current_col = -1;
return;
strcpy(filename,dirname);
- strcat(filename,DIRSEPERATOR);
+ strcat(filename,DIRSEPARATOR);
if(prefix != 0)
strcat(filename,prefix);
#ifndef WIN32
strcat(filename,ptr->pw_name);
#endif
- sprintf(filename,"%s%d%s",filename,pid,".log");
+ sprintf(filename,"%s%u%s",filename,pid,".log");
return;
}
#ifdef MY_LOG
-#define MYLOGFILE "mylog_"
-#ifndef WIN32
-#define MYLOGDIR "/tmp"
-#else
-#define MYLOGDIR "c:"
-#endif
-void mylog(); /* prototype */
+ #define MYLOGFILE "mylog_"
+ #ifndef WIN32
+ #define MYLOGDIR "/tmp"
+ #else
+ #define MYLOGDIR "c:"
+ #endif
+ void mylog(); /* prototype */
#else
-#define mylog // mylog
+ #ifndef WIN32
+ #define mylog(args...) /* GNU convention for variable arguments */
+ #else
+ #define mylog // mylog
+ #endif
#endif
#ifdef Q_LOG
-#define QLOGFILE "psqlodbc_"
-#ifndef WIN32
-#define QLOGDIR "/tmp"
-#else
-#define QLOGDIR "c:"
-#endif
-void qlog(); /* prototype */
+ #define QLOGFILE "psqlodbc_"
+ #ifndef WIN32
+ #define QLOGDIR "/tmp"
+ #else
+ #define QLOGDIR "c:"
+ #endif
+ void qlog(); /* prototype */
#else
-#define qlog // qlog
+ #ifndef WIN32
+ #define qlog(args...) /* GNU convention for variable arguments */
+ #else
+ #define qlog // qlog
+ #endif
#endif
#ifndef WIN32
-#define DIRSEPERATOR "/"
+#define DIRSEPARATOR "/"
#else
-#define DIRSEPERATOR "\\"
+#define DIRSEPARATOR "\\"
#endif
void remove_newlines(char *string);
extern GLOBAL_VALUES globals;
+RETCODE set_statement_option(ConnectionClass *conn,
+ StatementClass *stmt,
+ UWORD fOption,
+ UDWORD vParam)
+{
+static char *func="set_statement_option";
+char changed = FALSE;
+
+
+ switch(fOption) {
+ case SQL_ASYNC_ENABLE:/* ignored */
+ break;
+
+ case SQL_BIND_TYPE:
+ /* now support multi-column and multi-row binding */
+ if (conn) conn->stmtOptions.bind_size = vParam;
+ if (stmt) stmt->options.bind_size = vParam;
+ break;
+
+ case SQL_CONCURRENCY:
+ /* positioned update isn't supported so cursor concurrency is read-only */
+
+ if (conn) conn->stmtOptions.scroll_concurrency = vParam;
+ if (stmt) stmt->options.scroll_concurrency = vParam;
+ break;
+
+ /*
+ if (globals.lie) {
+ if (conn) conn->stmtOptions.scroll_concurrency = vParam;
+ if (stmt) stmt->options.scroll_concurrency = vParam;
+ }
+ else {
+
+ if (conn) conn->stmtOptions.scroll_concurrency = SQL_CONCUR_READ_ONLY;
+ if (stmt) stmt->options.scroll_concurrency = SQL_CONCUR_READ_ONLY;
+
+ if (vParam != SQL_CONCUR_READ_ONLY)
+ changed = TRUE;
+ }
+ break;
+ */
+
+ case SQL_CURSOR_TYPE:
+ /* if declare/fetch, then type can only be forward.
+ otherwise, it can only be forward or static.
+ */
+ mylog("SetStmtOption(): SQL_CURSOR_TYPE = %d\n", vParam);
+
+ if (globals.lie) {
+
+ if (conn) conn->stmtOptions.cursor_type = vParam;
+ if (stmt) stmt->options.cursor_type = vParam;
+
+ }
+ else {
+ if (globals.use_declarefetch) {
+
+ if (conn) conn->stmtOptions.cursor_type = SQL_CURSOR_FORWARD_ONLY;
+ if (stmt) stmt->options.cursor_type = SQL_CURSOR_FORWARD_ONLY;
+
+ if (vParam != SQL_CURSOR_FORWARD_ONLY)
+ changed = TRUE;
+ }
+ else {
+ if (vParam == SQL_CURSOR_FORWARD_ONLY || vParam == SQL_CURSOR_STATIC) {
+
+ if (conn) conn->stmtOptions.cursor_type = vParam; // valid type
+ if (stmt) stmt->options.cursor_type = vParam; // valid type
+ }
+ else {
+
+ if (conn) conn->stmtOptions.cursor_type = SQL_CURSOR_STATIC;
+ if (stmt) stmt->options.cursor_type = SQL_CURSOR_STATIC;
+
+ changed = TRUE;
+ }
+ }
+ }
+ break;
+
+ case SQL_KEYSET_SIZE: /* ignored, but saved and returned */
+ mylog("SetStmtOption(): SQL_KEYSET_SIZE, vParam = %d\n", vParam);
+
+ if (conn) conn->stmtOptions.keyset_size = vParam;
+ if (stmt) stmt->options.keyset_size = vParam;
+
+ break;
+
+ /*
+ if (globals.lie)
+ stmt->keyset_size = vParam;
+ else {
+ stmt->errornumber = STMT_NOT_IMPLEMENTED_ERROR;
+ stmt->errormsg = "Driver does not support keyset size option";
+ SC_log_error(func, "", stmt);
+ return SQL_ERROR;
+ }
+ */
+
+ case SQL_MAX_LENGTH:/* ignored, but saved */
+ mylog("SetStmtOption(): SQL_MAX_LENGTH, vParam = %d\n", vParam);
+ if (conn) conn->stmtOptions.maxLength = vParam;
+ if (stmt) stmt->options.maxLength = vParam;
+ break;
+
+ case SQL_MAX_ROWS: /* ignored, but saved */
+ mylog("SetStmtOption(): SQL_MAX_ROWS, vParam = %d\n", vParam);
+ if (conn) conn->stmtOptions.maxRows = vParam;
+ if (stmt) stmt->options.maxRows = vParam;
+ break;
+
+ case SQL_NOSCAN: /* ignored */
+ mylog("SetStmtOption: SQL_NOSCAN, vParam = %d\n", vParam);
+ break;
+
+ case SQL_QUERY_TIMEOUT: /* ignored */
+ mylog("SetStmtOption: SQL_QUERY_TIMEOUT, vParam = %d\n", vParam);
+ // "0" returned in SQLGetStmtOption
+ break;
+
+ case SQL_RETRIEVE_DATA: /* ignored, but saved */
+ mylog("SetStmtOption(): SQL_RETRIEVE_DATA, vParam = %d\n", vParam);
+ if (conn) conn->stmtOptions.retrieve_data = vParam;
+ if (stmt) stmt->options.retrieve_data = vParam;
+ break;
+
+ case SQL_ROWSET_SIZE:
+ mylog("SetStmtOption(): SQL_ROWSET_SIZE, vParam = %d\n", vParam);
+
+
+ /* Save old rowset size for SQLExtendedFetch purposes
+ If the rowset_size is being changed since the last call
+ to fetch rows.
+ */
+
+ if (stmt && stmt->save_rowset_size <= 0 && stmt->last_fetch_count > 0 )
+ stmt->save_rowset_size = stmt->options.rowset_size;
+
+ if (vParam < 1) {
+ vParam = 1;
+ changed = TRUE;
+ }
+
+ if (conn) conn->stmtOptions.rowset_size = vParam;
+ if (stmt) stmt->options.rowset_size = vParam;
+
+
+ break;
+
+ case SQL_SIMULATE_CURSOR: /* NOT SUPPORTED */
+ if (stmt) {
+ stmt->errornumber = STMT_NOT_IMPLEMENTED_ERROR;
+ stmt->errormsg = "Simulated positioned update/delete not supported. Use the cursor library.";
+ SC_log_error(func, "", stmt);
+ }
+ if (conn) {
+ conn->errornumber = STMT_NOT_IMPLEMENTED_ERROR;
+ conn->errormsg = "Simulated positioned update/delete not supported. Use the cursor library.";
+ CC_log_error(func, "", conn);
+ }
+ return SQL_ERROR;
+
+ case SQL_USE_BOOKMARKS: /* NOT SUPPORTED */
+ if (stmt) {
+ stmt->errornumber = STMT_NOT_IMPLEMENTED_ERROR;
+ stmt->errormsg = "Driver does not support (SET) using bookmarks.";
+ SC_log_error(func, "", stmt);
+ }
+ if (conn) {
+ conn->errornumber = STMT_NOT_IMPLEMENTED_ERROR;
+ conn->errormsg = "Driver does not support (SET) using bookmarks.";
+ CC_log_error(func, "", conn);
+ }
+ return SQL_ERROR;
+
+ default:
+ {
+ char option[64];
+
+ if (stmt) {
+ stmt->errornumber = STMT_NOT_IMPLEMENTED_ERROR;
+ stmt->errormsg = "Unknown statement option (Set)";
+ sprintf(option, "fOption=%d, vParam=%ld", fOption, vParam);
+ SC_log_error(func, option, stmt);
+ }
+ if (conn) {
+ conn->errornumber = STMT_NOT_IMPLEMENTED_ERROR;
+ conn->errormsg = "Unknown statement option (Set)";
+ sprintf(option, "fOption=%d, vParam=%ld", fOption, vParam);
+ CC_log_error(func, option, conn);
+ }
+
+ return SQL_ERROR;
+ }
+ }
+
+ if (changed) {
+ if (stmt) {
+ stmt->errormsg = "Requested value changed.";
+ stmt->errornumber = STMT_OPTION_VALUE_CHANGED;
+ }
+ if (conn) {
+ conn->errormsg = "Requested value changed.";
+ conn->errornumber = STMT_OPTION_VALUE_CHANGED;
+ }
+ return SQL_SUCCESS_WITH_INFO;
+ }
+ else
+ return SQL_SUCCESS;
+}
+
+
+
/* Implements only SQL_AUTOCOMMIT */
RETCODE SQL_API SQLSetConnectOption(
HDBC hdbc,
{
static char *func="SQLSetConnectOption";
ConnectionClass *conn = (ConnectionClass *) hdbc;
+char changed = FALSE;
+RETCODE retval;
+int i;
mylog("%s: entering...\n", func);
switch (fOption) {
+ /* Statement Options --
+ (apply to all stmts on the connection and become defaults for new stmts)
+ */
+ case SQL_ASYNC_ENABLE:
+ case SQL_BIND_TYPE:
+ case SQL_CONCURRENCY:
+ case SQL_CURSOR_TYPE:
+ case SQL_KEYSET_SIZE:
+ case SQL_MAX_LENGTH:
+ case SQL_MAX_ROWS:
+ case SQL_NOSCAN:
+ case SQL_QUERY_TIMEOUT:
+ case SQL_RETRIEVE_DATA:
+ case SQL_ROWSET_SIZE:
+ case SQL_SIMULATE_CURSOR:
+ case SQL_USE_BOOKMARKS:
+
+ /* Affect all current Statements */
+ for (i = 0; i < conn->num_stmts; i++) {
+ if ( conn->stmts[i]) {
+ set_statement_option(NULL, conn->stmts[i], fOption, vParam);
+ }
+ }
+
+ /* Become the default for all future statements on this connection */
+ retval = set_statement_option(conn, NULL, fOption, vParam);
+
+ if (retval == SQL_SUCCESS_WITH_INFO)
+ changed = TRUE;
+ else if (retval == SQL_ERROR)
+ return SQL_ERROR;
+
+ break;
+
+ /**********************************/
+ /***** Connection Options *******/
+ /**********************************/
+
+ case SQL_ACCESS_MODE: /* ignored */
+ break;
+
case SQL_AUTOCOMMIT:
/* Since we are almost always in a transaction, this is now ok.
break;
- case SQL_LOGIN_TIMEOUT:
+ case SQL_CURRENT_QUALIFIER: /* ignored */
+ break;
+
+ case SQL_LOGIN_TIMEOUT: /* ignored */
+ break;
+
+ case SQL_PACKET_SIZE: /* ignored */
break;
- case SQL_ACCESS_MODE:
+ case SQL_QUIET_MODE: /* ignored */
break;
- case SQL_TXN_ISOLATION:
+ case SQL_TXN_ISOLATION: /* ignored */
+ break;
+
+ /* These options should be handled by driver manager */
+ case SQL_ODBC_CURSORS:
+ case SQL_OPT_TRACE:
+ case SQL_OPT_TRACEFILE:
+ case SQL_TRANSLATE_DLL:
+ case SQL_TRANSLATE_OPTION:
+ CC_log_error(func, "This connect option (Set) is only used by the Driver Manager", conn);
break;
default:
{
char option[64];
- conn->errormsg = "Driver does not support setting this connect option";
+ conn->errormsg = "Unknown connect option (Set)";
conn->errornumber = CONN_UNSUPPORTED_OPTION;
sprintf(option, "fOption=%d, vParam=%ld", fOption, vParam);
CC_log_error(func, option, conn);
}
}
- return SQL_SUCCESS;
+
+ if (changed) {
+ conn->errornumber = CONN_OPTION_VALUE_CHANGED;
+ conn->errormsg = "Requested value changed.";
+ return SQL_SUCCESS_WITH_INFO;
+ }
+ else
+ return SQL_SUCCESS;
}
// - - - - - - - - -
}
switch (fOption) {
+ case SQL_ACCESS_MODE:/* NOT SUPPORTED */
+ *((UDWORD *) pvParam) = SQL_MODE_READ_WRITE;
+ break;
+
case SQL_AUTOCOMMIT:
*((UDWORD *)pvParam) = (UDWORD)( CC_is_in_autocommit(conn) ?
SQL_AUTOCOMMIT_ON : SQL_AUTOCOMMIT_OFF);
break;
- /* don't use qualifiers */
- case SQL_CURRENT_QUALIFIER:
+ case SQL_CURRENT_QUALIFIER: /* don't use qualifiers */
if(pvParam)
strcpy(pvParam, "");
break;
+ case SQL_LOGIN_TIMEOUT: /* NOT SUPPORTED */
+ *((UDWORD *) pvParam) = 0;
+ break;
+
+ case SQL_PACKET_SIZE: /* NOT SUPPORTED */
+ *((UDWORD *) pvParam) = globals.socket_buffersize;
+ break;
+
+ case SQL_QUIET_MODE:/* NOT SUPPORTED */
+ *((UDWORD *) pvParam) = (UDWORD) NULL;
+ break;
+
+ case SQL_TXN_ISOLATION:/* NOT SUPPORTED */
+ *((UDWORD *) pvParam) = SQL_TXN_SERIALIZABLE;
+ break;
+
+ /* These options should be handled by driver manager */
+ case SQL_ODBC_CURSORS:
+ case SQL_OPT_TRACE:
+ case SQL_OPT_TRACEFILE:
+ case SQL_TRANSLATE_DLL:
+ case SQL_TRANSLATE_OPTION:
+ CC_log_error(func, "This connect option (Get) is only used by the Driver Manager", conn);
+ break;
+
default:
{
char option[64];
- conn->errormsg = "Driver does not support getting this connect option";
+ conn->errormsg = "Unknown connect option (Get)";
conn->errornumber = CONN_UNSUPPORTED_OPTION;
sprintf(option, "fOption=%d", fOption);
CC_log_error(func, option, conn);
return SQL_INVALID_HANDLE;
}
- switch(fOption) {
- case SQL_QUERY_TIMEOUT:
- mylog("SetStmtOption: vParam = %d\n", vParam);
- // "0" returned in SQLGetStmtOption
- break;
-
- case SQL_MAX_LENGTH:
- // "4096" returned in SQLGetStmtOption
- break;
-
- case SQL_MAX_ROWS:
- mylog("SetStmtOption(): SQL_MAX_ROWS = %d, returning success\n", vParam);
- stmt->maxRows = vParam;
- return SQL_SUCCESS;
- break;
-
- case SQL_ROWSET_SIZE:
- mylog("SetStmtOption(): SQL_ROWSET_SIZE = %d\n", vParam);
-
- stmt->rowset_size = 1; // only support 1 row at a time
- if (vParam != 1)
- changed = TRUE;
-
- break;
-
- case SQL_KEYSET_SIZE:
- mylog("SetStmtOption(): SQL_KEYSET_SIZE = %d\n", vParam);
- if (globals.lie)
- stmt->keyset_size = vParam;
- else {
- stmt->errornumber = STMT_NOT_IMPLEMENTED_ERROR;
- stmt->errormsg = "Driver does not support keyset size option";
- SC_log_error(func, "", stmt);
- return SQL_ERROR;
- }
- break;
-
- case SQL_CONCURRENCY:
- // positioned update isn't supported so cursor concurrency is read-only
- mylog("SetStmtOption(): SQL_CONCURRENCY = %d\n", vParam);
-
- if (globals.lie)
- stmt->scroll_concurrency = vParam;
- else {
- stmt->scroll_concurrency = SQL_CONCUR_READ_ONLY;
- if (vParam != SQL_CONCUR_READ_ONLY)
- changed = TRUE;
- }
- break;
-
- case SQL_CURSOR_TYPE:
- // if declare/fetch, then type can only be forward.
- // otherwise, it can only be forward or static.
- mylog("SetStmtOption(): SQL_CURSOR_TYPE = %d\n", vParam);
-
- if (globals.lie)
- stmt->cursor_type = vParam;
- else {
- if (globals.use_declarefetch) {
- stmt->cursor_type = SQL_CURSOR_FORWARD_ONLY;
- if (vParam != SQL_CURSOR_FORWARD_ONLY)
- changed = TRUE;
- }
- else {
- if (vParam == SQL_CURSOR_FORWARD_ONLY || vParam == SQL_CURSOR_STATIC)
- stmt->cursor_type = vParam; // valid type
- else {
- stmt->cursor_type = SQL_CURSOR_STATIC;
- changed = TRUE;
- }
- }
- }
- break;
-
- case SQL_SIMULATE_CURSOR:
- stmt->errornumber = STMT_NOT_IMPLEMENTED_ERROR;
- stmt->errormsg = "Simulated positioned update/delete not supported. Use the cursor library.";
- SC_log_error(func, "", stmt);
- return SQL_ERROR;
-
- default:
- {
- char option[64];
- stmt->errornumber = STMT_NOT_IMPLEMENTED_ERROR;
- stmt->errormsg = "Driver does not support setting this statement option";
- sprintf(option, "fOption=%d, vParam=%ld", fOption, vParam);
- SC_log_error(func, option, stmt);
- return SQL_ERROR;
- }
- }
-
- if (changed) {
- stmt->errormsg = "Requested value changed.";
- stmt->errornumber = STMT_OPTION_VALUE_CHANGED;
- return SQL_SUCCESS_WITH_INFO;
- }
- else
- return SQL_SUCCESS;
+ return set_statement_option(NULL, stmt, fOption, vParam);
}
}
switch(fOption) {
- case SQL_QUERY_TIMEOUT:
- // how long we wait on a query before returning to the
- // application (0 == forever)
- *((SDWORD *)pvParam) = 0;
+ case SQL_GET_BOOKMARK:/* NOT SUPPORTED */
+ stmt->errornumber = STMT_NOT_IMPLEMENTED_ERROR;
+ stmt->errormsg = "Driver does not support getting bookmarks.";
+ SC_log_error(func, "", stmt);
+ return SQL_ERROR;
break;
- case SQL_MAX_LENGTH:
- // what is the maximum length that will be returned in
- // a single column
- *((SDWORD *)pvParam) = 4096;
+ case SQL_ROW_NUMBER:
+ *((SDWORD *) pvParam) = stmt->currTuple + 1;
break;
- case SQL_MAX_ROWS:
- *((SDWORD *)pvParam) = stmt->maxRows;
- mylog("GetSmtOption: MAX_ROWS, returning %d\n", stmt->maxRows);
+ case SQL_ASYNC_ENABLE: /* NOT SUPPORTED */
+ *((SDWORD *) pvParam) = SQL_ASYNC_ENABLE_OFF;
break;
- case SQL_ROWSET_SIZE:
- mylog("GetStmtOption(): SQL_ROWSET_SIZE\n");
- *((SDWORD *)pvParam) = stmt->rowset_size;
+ case SQL_BIND_TYPE:
+ *((SDWORD *) pvParam) = stmt->options.bind_size;
break;
- case SQL_KEYSET_SIZE:
+ case SQL_CONCURRENCY: /* NOT REALLY SUPPORTED */
+ mylog("GetStmtOption(): SQL_CONCURRENCY\n");
+ *((SDWORD *)pvParam) = stmt->options.scroll_concurrency;
+ break;
+
+ case SQL_CURSOR_TYPE: /* PARTIAL SUPPORT */
+ mylog("GetStmtOption(): SQL_CURSOR_TYPE\n");
+ *((SDWORD *)pvParam) = stmt->options.cursor_type;
+ break;
+
+ case SQL_KEYSET_SIZE: /* NOT SUPPORTED, but saved */
mylog("GetStmtOption(): SQL_KEYSET_SIZE\n");
- *((SDWORD *)pvParam) = stmt->keyset_size;
+ *((SDWORD *)pvParam) = stmt->options.keyset_size;
break;
- case SQL_CONCURRENCY:
- mylog("GetStmtOption(): SQL_CONCURRENCY\n");
- *((SDWORD *)pvParam) = stmt->scroll_concurrency;
+ case SQL_MAX_LENGTH: /* NOT SUPPORTED, but saved */
+ *((SDWORD *)pvParam) = stmt->options.maxLength;
break;
- case SQL_CURSOR_TYPE:
- mylog("GetStmtOption(): SQL_CURSOR_TYPE\n");
- *((SDWORD *)pvParam) = stmt->cursor_type;
+ case SQL_MAX_ROWS: /* NOT SUPPORTED, but saved */
+ *((SDWORD *)pvParam) = stmt->options.maxRows;
+ mylog("GetSmtOption: MAX_ROWS, returning %d\n", stmt->options.maxRows);
break;
- case SQL_SIMULATE_CURSOR:
- stmt->errornumber = STMT_NOT_IMPLEMENTED_ERROR;
- stmt->errormsg = "Simulated positioned update/delete not supported. Use the cursor library.";
- SC_log_error(func, "", stmt);
- return SQL_ERROR;
+ case SQL_NOSCAN:/* NOT SUPPORTED */
+ *((SDWORD *) pvParam) = SQL_NOSCAN_ON;
+ break;
+
+ case SQL_QUERY_TIMEOUT: /* NOT SUPPORTED */
+ *((SDWORD *) pvParam) = 0;
+ break;
+
+ case SQL_RETRIEVE_DATA: /* NOT SUPPORTED, but saved */
+ *((SDWORD *) pvParam) = stmt->options.retrieve_data;
+ break;
+
+ case SQL_ROWSET_SIZE:
+ *((SDWORD *) pvParam) = stmt->options.rowset_size;
+ break;
+
+ case SQL_SIMULATE_CURSOR:/* NOT SUPPORTED */
+ *((SDWORD *) pvParam) = SQL_SC_NON_UNIQUE;
+ break;
+
+ case SQL_USE_BOOKMARKS:/* NOT SUPPORTED */
+ *((SDWORD *) pvParam) = SQL_UB_OFF;
+ break;
default:
{
char option[64];
stmt->errornumber = STMT_NOT_IMPLEMENTED_ERROR;
- stmt->errormsg = "Driver does not support getting this statement option";
+ stmt->errormsg = "Unknown statement option (Get)";
sprintf(option, "fOption=%d", fOption);
SC_log_error(func, option, stmt);
return SQL_ERROR;
PG_TYPE_BYTEA,
PG_TYPE_LO,
0 };
-
+
+/* These are the SQL Types reported in SQLGetTypeInfo. */
+Int2 sqlTypes [] = {
+ SQL_BIGINT,
+ /* SQL_BINARY, */
+ SQL_BIT,
+ SQL_CHAR,
+ SQL_DATE,
+ SQL_DECIMAL,
+ SQL_DOUBLE,
+ SQL_FLOAT,
+ SQL_INTEGER,
+ SQL_LONGVARBINARY,
+ SQL_LONGVARCHAR,
+ SQL_NUMERIC,
+ SQL_REAL,
+ SQL_SMALLINT,
+ SQL_TIME,
+ SQL_TIMESTAMP,
+ SQL_TINYINT,
+ SQL_VARBINARY,
+ SQL_VARCHAR,
+ 0
+};
+
+Int4 sqltype_to_pgtype(SWORD fSqlType)
+{
+Int4 pgType;
+
+ switch(fSqlType) {
+
+ case SQL_BINARY:
+ pgType = PG_TYPE_BYTEA;
+ break;
+
+ case SQL_CHAR:
+ pgType = PG_TYPE_BPCHAR;
+ break;
+
+ case SQL_BIT:
+ pgType = globals.bools_as_char ? PG_TYPE_CHAR : PG_TYPE_BOOL;
+ break;
+
+ case SQL_DATE:
+ pgType = PG_TYPE_DATE;
+ break;
+
+ case SQL_DOUBLE:
+ case SQL_FLOAT:
+ pgType = PG_TYPE_FLOAT8;
+ break;
+
+ case SQL_INTEGER:
+ case SQL_BIGINT:
+ case SQL_NUMERIC:
+ case SQL_DECIMAL:
+ pgType = PG_TYPE_INT4;
+ break;
+
+ case SQL_LONGVARBINARY:
+ pgType = PG_TYPE_LO;
+ break;
+
+ case SQL_LONGVARCHAR:
+ pgType = globals.text_as_longvarchar ? PG_TYPE_TEXT : PG_TYPE_VARCHAR;
+ break;
+
+ case SQL_REAL:
+ pgType = PG_TYPE_FLOAT4;
+ break;
+
+ case SQL_SMALLINT:
+ case SQL_TINYINT:
+ pgType = PG_TYPE_INT2;
+ break;
+
+ case SQL_TIME:
+ pgType = PG_TYPE_TIME;
+ break;
+
+ case SQL_TIMESTAMP:
+ pgType = PG_TYPE_DATETIME;
+ break;
+
+ case SQL_VARBINARY:
+ pgType = PG_TYPE_BYTEA;
+ break;
+
+ case SQL_VARCHAR:
+ pgType = PG_TYPE_VARCHAR;
+ break;
+
+ default:
+ break;
+ }
+
+ return pgType;
+}
/* There are two ways of calling this function:
1. When going through the supported PG types (SQLGetTypeInfo)
case PG_TYPE_CHAR16:
case PG_TYPE_NAME: return SQL_CHAR;
- case PG_TYPE_BPCHAR: return SQL_CHAR; // temporary?
+ case PG_TYPE_BPCHAR: return SQL_CHAR;
case PG_TYPE_VARCHAR: return SQL_VARCHAR;
case PG_TYPE_CHAR8: return "char8";
case PG_TYPE_CHAR16: return "char16";
case PG_TYPE_VARCHAR: return "varchar";
- case PG_TYPE_BPCHAR: return "bpchar";
+ case PG_TYPE_BPCHAR: return "char";
case PG_TYPE_TEXT: return "text";
case PG_TYPE_NAME: return "name";
case PG_TYPE_INT2: return "int2";
#define PG_TYPE_TIMESTAMP 1296
extern Int4 pgtypes_defined[];
+extern Int2 sqlTypes[];
/* Defines for pgtype_precision */
#define PG_STATIC -1
+Int4 sqltype_to_pgtype(Int2 fSqlType);
Int2 pgtype_to_sqltype(StatementClass *stmt, Int4 type);
Int2 pgtype_to_ctype(StatementClass *stmt, Int4 type);
#define MAX_CONNECT_STRING 4096
#define ERROR_MSG_LENGTH 4096
#define FETCH_MAX 100 /* default number of rows to cache for declare/fetch */
-#define FETCH_INCR 1000
+#define TUPLE_MALLOC_INC 100
#define SOCK_BUFFER_SIZE 4096 /* default socket buffer size */
#define MAX_CONNECTIONS 128 /* conns per environment (arbitrary) */
#define MAX_FIELDS 512
/* Driver stuff */
#define DRIVERNAME "PostgreSQL ODBC"
#define DBMS_NAME "PostgreSQL"
-#define DBMS_VERSION "06.40.0001 PostgreSQL 6.4"
-#define POSTGRESDRIVERVERSION "06.40.0001"
+#define DBMS_VERSION "06.40.0002 PostgreSQL 6.4"
+#define POSTGRESDRIVERVERSION "06.40.0002"
#ifdef WIN32
#define DRIVER_FILE_NAME "PSQLODBC.DLL"
char bools_as_char;
char lie;
char parse;
+ char cancel_as_freestmt;
char extra_systable_prefixes[MEDIUM_REGISTRY_LEN];
char conn_settings[LARGE_REGISTRY_LEN];
FILE* mylogFP;
FILE* qlogFP;
} GLOBAL_VALUES;
+typedef struct StatementOptions_ {
+ int maxRows;
+ int maxLength;
+ int rowset_size;
+ int keyset_size;
+ int cursor_type;
+ int scroll_concurrency;
+ int retrieve_data;
+ int bind_size; /* size of each structure if using Row Binding */
+} StatementOptions;
+
+/* Used to pass extra query info to send_query */
+typedef struct QueryInfo_ {
+ int row_size;
+ QResultClass *result_in;
+ char *cursor;
+} QueryInfo;
+
#define PG_TYPE_LO -999 /* hack until permanent type available */
#define PG_TYPE_LO_NAME "lo"
WS_TABSTOP,140,35,80,10
CONTROL "&Use Declare/Fetch",DRV_USEDECLAREFETCH,"Button",
BS_AUTOCHECKBOX | WS_TABSTOP,15,50,80,10
+ CONTROL "Cancel as FreeStmt (Exp)",DRV_CANCELASFREESTMT,"Button",
+ BS_AUTOCHECKBOX | WS_TABSTOP,140,50,105,10
GROUPBOX "Unknown Sizes",IDC_STATIC,10,65,175,25
CONTROL "Maximum",DRV_UNKNOWN_MAX,"Button",BS_AUTORADIOBUTTON |
WS_GROUP | WS_TABSTOP,15,76,45,10
//
VS_VERSION_INFO VERSIONINFO
- FILEVERSION 6,40,0,1
- PRODUCTVERSION 6,40,0,1
+ FILEVERSION 6,40,0,2
+ PRODUCTVERSION 6,40,0,2
FILEFLAGSMASK 0x3L
#ifdef _DEBUG
FILEFLAGS 0x1L
VALUE "Comments", "PostgreSQL ODBC driver for Windows 95\0"
VALUE "CompanyName", "Insight Distribution Systems\0"
VALUE "FileDescription", "PostgreSQL Driver\0"
- VALUE "FileVersion", " 6.40.0001\0"
+ VALUE "FileVersion", " 6.40.0002\0"
VALUE "InternalName", "psqlodbc\0"
VALUE "LegalTrademarks", "ODBC(TM) is a trademark of Microsoft Corporation. Microsoft® is a registered trademark of Microsoft Corporation. Windows(TM) is a trademark of Microsoft Corporation.\0"
VALUE "OriginalFilename", "psqlodbc.dll\0"
VALUE "ProductName", "Microsoft Open Database Connectivity\0"
- VALUE "ProductVersion", " 6.40.0001\0"
+ VALUE "ProductVersion", " 6.40.0002\0"
END
END
BLOCK "VarFileInfo"
mylog("exit QR_set_num_fields\n");
}
+void
+QR_set_position(QResultClass *self, int pos)
+{
+ self->tupleField = self->backend_tuples + ((self->base + pos) * self->num_fields);
+}
+
+void
+QR_set_cache_size(QResultClass *self, int cache_size)
+{
+ self->cache_size = cache_size;
+}
+
+void
+QR_set_rowset_size(QResultClass *self, int rowset_size)
+{
+ self->rowset_size = rowset_size;
+}
+
+void
+QR_inc_base(QResultClass *self, int base_inc)
+{
+ self->base += base_inc;
+}
+
/************************************/
/* CLASS QResult */
/************************************/
rv->inTuples = FALSE;
rv->fcount = 0;
rv->fetch_count = 0;
+ rv->base = 0;
+ rv->currTuple = -1;
rv->num_fields = 0;
rv->tupleField = NULL;
rv->cursor = NULL;
+
+ rv->cache_size = globals.fetch_max;
+ rv->rowset_size = 1;
+
}
mylog("exit QR_Constructor\n");
char
QR_fetch_tuples(QResultClass *self, ConnectionClass *conn, char *cursor)
{
+int tuple_size;
+
// If called from send_query the first time (conn != NULL),
// then set the inTuples state,
// and read the tuples. If conn is NULL,
if (conn != NULL) {
self->conn = conn;
- mylog("QR_fetch_tuples: cursor = '%s', self->cursor=%u\n", cursor, self->cursor);
+ mylog("QR_fetch_tuples: cursor = '%s', self->cursor=%u\n", (cursor==NULL)?"":cursor, self->cursor);
if (self->cursor)
free(self->cursor);
}
self->cursor = strdup(cursor);
}
-
+
// Read the field attributes.
// $$$$ Should do some error control HERE! $$$$
if ( CI_read_fields(self->fields, self->conn)) {
mylog("QR_fetch_tuples: past CI_read_fields: num_fields = %d\n", self->num_fields);
+ if (globals.use_declarefetch)
+ tuple_size = self->cache_size;
+ else
+ tuple_size = TUPLE_MALLOC_INC;
+
/* allocate memory for the tuple cache */
- mylog("MALLOC: fetch_max = %d, size = %d\n", globals.fetch_max, self->num_fields * sizeof(TupleField) * globals.fetch_max);
- self->backend_tuples = (TupleField *) malloc(self->num_fields * sizeof(TupleField) * globals.fetch_max);
+ mylog("MALLOC: tuple_size = %d, size = %d\n", tuple_size, self->num_fields * sizeof(TupleField) * tuple_size);
+ self->backend_tuples = (TupleField *) malloc(self->num_fields * sizeof(TupleField) * tuple_size);
if ( ! self->backend_tuples) {
self->status = PGRES_FATAL_ERROR;
QR_set_message(self, "Could not get memory for tuple cache.");
self->inTuples = TRUE;
+
/* Force a read to occur in next_tuple */
- self->fcount = globals.fetch_max+1;
- self->fetch_count = globals.fetch_max+1;
+ self->fcount = tuple_size+1;
+ self->fetch_count = tuple_size+1;
+ self->base = 0;
return QR_next_tuple(self);
}
else {
+
// Always have to read the field attributes.
// But we dont have to reallocate memory for them!
sprintf(buf, "close %s", self->cursor);
mylog("QResult: closing cursor: '%s'\n", buf);
- res = CC_send_query(self->conn, buf, NULL, NULL);
+ res = CC_send_query(self->conn, buf, NULL);
self->inTuples = FALSE;
+ self->currTuple = -1;
free(self->cursor);
self->cursor = NULL;
if (CC_cursor_count(self->conn) == 0) {
mylog("QResult: END transaction on conn=%u\n", self->conn);
- res = CC_send_query(self->conn, "END", NULL, NULL);
+ res = CC_send_query(self->conn, "END", NULL);
CC_set_no_trans(self->conn);
/* Speed up access */
int fetch_count = self->fetch_count;
int fcount = self->fcount;
+int fetch_size, offset= 0;
+int end_tuple = self->rowset_size + self->base;
+char corrected = FALSE;
TupleField *the_tuples = self->backend_tuples;
static char msgbuffer[MAX_MESSAGE_LEN+1];
char cmdbuffer[MAX_MESSAGE_LEN+1]; // QR_set_command() dups this string so dont need static
+char fetch[128];
+QueryInfo qi;
if (fetch_count < fcount) { /* return a row from cache */
mylog("next_tuple: fetch_count < fcount: returning tuple %d, fcount = %d\n", fetch_count, fcount);
self->fetch_count++;
return TRUE;
}
- else if (self->fcount < globals.fetch_max) { /* last row from cache */
- // We are done because we didn't even get FETCH_MAX tuples
- mylog("next_tuple: fcount < FETCH_MAX: fcount = %d, fetch_count = %d\n", fcount, fetch_count);
+ else if (self->fcount < self->cache_size) { /* last row from cache */
+ // We are done because we didn't even get CACHE_SIZE tuples
+ mylog("next_tuple: fcount < CACHE_SIZE: fcount = %d, fetch_count = %d\n", fcount, fetch_count);
self->tupleField = NULL;
self->status = PGRES_END_TUPLES;
return -1; /* end of tuples */
and read the tuples.
*/
self->tupleField = NULL;
+
if ( ! self->inTuples) {
- char fetch[128];
if ( ! globals.use_declarefetch) {
mylog("next_tuple: ALL_ROWS: done, fcount = %d, fetch_count = %d\n", fcount, fetch_count);
return -1; /* end of tuples */
}
- sprintf(fetch, "fetch %d in %s", globals.fetch_max, self->cursor);
+ if (self->base == fcount) { /* not a correction */
+
+ /* Determine the optimum cache size. */
+ if (globals.fetch_max % self->rowset_size == 0)
+ fetch_size = globals.fetch_max;
+ else if (self->rowset_size < globals.fetch_max)
+ fetch_size = (globals.fetch_max / self->rowset_size) * self->rowset_size;
+ else
+ fetch_size = self->rowset_size;
+
+ self->cache_size = fetch_size;
+ self->fetch_count = 1;
+ }
+ else { /* need to correct */
+
+ corrected = TRUE;
+
+ fetch_size = end_tuple - fcount;
+
+ self->cache_size += fetch_size;
+
+ offset = self->fetch_count;
+ self->fetch_count++;
+
+ }
+
+
+ self->backend_tuples = (TupleField *) realloc(self->backend_tuples, self->num_fields * sizeof(TupleField) * self->cache_size);
+ if ( ! self->backend_tuples) {
+ self->status = PGRES_FATAL_ERROR;
+ QR_set_message(self, "Out of memory while reading tuples.");
+ return FALSE;
+ }
+ sprintf(fetch, "fetch %d in %s", fetch_size, self->cursor);
- mylog("next_tuple: sending actual fetch (%d) query '%s'\n", globals.fetch_max, fetch);
+ mylog("next_tuple: sending actual fetch (%d) query '%s'\n", fetch_size, fetch);
// don't read ahead for the next tuple (self) !
- res = CC_send_query(self->conn, fetch, self, NULL);
+ qi.row_size = self->cache_size;
+ qi.result_in = self;
+ qi.cursor = NULL;
+ res = CC_send_query(self->conn, fetch, &qi);
if (res == NULL) {
self->status = PGRES_FATAL_ERROR;
QR_set_message(self, "Error fetching next group.");
return FALSE;
}
self->inTuples = TRUE;
- /* This is a true fetch, like SQLFetch() */
- self->fetch_count = 1;
}
else {
mylog("next_tuple: inTuples = true, falling through: fcount = %d, fetch_count = %d\n", self->fcount, self->fetch_count);
*/
self->fetch_count = 0;
}
- // fall through and read the next group
+ }
+
+ if ( ! corrected) {
+ self->base = 0;
+ self->fcount = 0;
}
- self->fcount = 0;
sock = CC_get_socket(self->conn);
self->tupleField = NULL;
case 'B': /* Tuples in binary format */
case 'D': /* Tuples in ASCII format */
- if ( ! globals.use_declarefetch && self->fcount > 0 && ! (self->fcount % globals.fetch_max)) {
+ if ( ! globals.use_declarefetch && self->fcount > 0 && ! (self->fcount % TUPLE_MALLOC_INC)) {
size_t old_size = self->fcount * self->num_fields * sizeof(TupleField);
mylog("REALLOC: old_size = %d\n", old_size);
- self->backend_tuples = (TupleField *) realloc(self->backend_tuples, old_size + (self->num_fields * sizeof(TupleField) * globals.fetch_max));
+ self->backend_tuples = (TupleField *) realloc(self->backend_tuples, old_size + (self->num_fields * sizeof(TupleField) * TUPLE_MALLOC_INC));
if ( ! self->backend_tuples) {
self->status = PGRES_FATAL_ERROR;
QR_set_message(self, "Out of memory while reading tuples.");
mylog("_next_tuple: 'C' fetch_max && fcount = %d\n", self->fcount);
/* set to first row */
- self->tupleField = self->backend_tuples; // the_tuples;
+ self->tupleField = self->backend_tuples + (offset * self->num_fields);
return TRUE;
}
else { // We are surely done here (we read 0 tuples)
} else
bmp <<= 1;
}
+ self->currTuple++;
return TRUE;
}
// Stuff for declare/fetch tuples
int fetch_count; // logical rows read so far
int fcount; // actual rows read in the fetch
+ int currTuple;
+ int base;
int num_fields; // number of fields in the result
+ int cache_size;
+ int rowset_size;
+
QueryResultCode status;
char *message;
#define QR_get_status(self) (self->status)
// Core Functions
-QResultClass *QR_Constructor(void);
+QResultClass *QR_Constructor();
void QR_Destructor(QResultClass *self);
char QR_read_tuple(QResultClass *self, char binary);
int QR_next_tuple(QResultClass *self);
void QR_set_notice(QResultClass *self, char *msg);
void QR_set_num_fields(QResultClass *self, int new_num_fields); /* manual result only */
+
+void QR_inc_base(QResultClass *self, int base_inc);
+void QR_set_cache_size(QResultClass *self, int cache_size);
+void QR_set_rowset_size(QResultClass *self, int rowset_size);
+void QR_set_position(QResultClass *self, int pos);
#endif
#define DRV_EXTRASYSTABLEPREFIXES 1051
#define DS_ROWVERSIONING 1052
#define DRV_PARSE 1052
+#define DRV_CANCELASFREESTMT 1053
#define IDC_OPTIONS 1054
#define DRV_KSQO 1055
#define DS_PG64 1057
*
* API functions: SQLRowCount, SQLNumResultCols, SQLDescribeCol, SQLColAttributes,
* SQLGetData, SQLFetch, SQLExtendedFetch,
- * SQLMoreResults(NI), SQLSetPos(NI), SQLSetScrollOptions(NI),
+ * SQLMoreResults(NI), SQLSetPos, SQLSetScrollOptions(NI),
* SQLSetCursorName, SQLGetCursorName
*
* Comments: See "notice.txt" for copyright and license information.
SC_log_error(func, "", NULL);
return SQL_INVALID_HANDLE;
}
+ if (stmt->manual_result) {
+ if (pcrow)
+ *pcrow = -1;
+ return SQL_SUCCESS;
+ }
if(stmt->statement_type == STMT_TYPE_SELECT) {
if (stmt->status == STMT_FINISHED) {
res = SC_get_Result(stmt);
if(res && pcrow) {
- *pcrow = globals.use_declarefetch ? 0 : QR_get_num_tuples(res);
+ *pcrow = globals.use_declarefetch ? -1 : QR_get_num_tuples(res);
return SQL_SUCCESS;
}
}
int precision = 0;
ConnInfo *ci;
char parse_ok;
+char buf[255];
mylog("%s: entering...\n", func);
if (icol >= QR_NumResultCols(result)) {
stmt->errornumber = STMT_INVALID_COLUMN_NUMBER_ERROR;
stmt->errormsg = "Invalid column number in DescribeCol.";
- SC_log_error(func, "", stmt);
+ sprintf(buf, "Col#=%d, #Cols=%d", icol, QR_NumResultCols(result));
+ SC_log_error(func, buf, stmt);
return SQL_ERROR;
}
Int4 field_type;
void *value;
int result;
-char multiple;
mylog("SQLGetData: enter, stmt=%u\n", stmt);
mylog(" value = '%s'\n", value);
}
else { /* its a SOCKET result (backend data) */
- if (stmt->currTuple == -1 || ! res || QR_end_tuples(res)) {
+ if (stmt->currTuple == -1 || ! res || ! res->tupleField) {
stmt->errormsg = "Not positioned on a valid row for GetData.";
stmt->errornumber = STMT_INVALID_CURSOR_STATE_ERROR;
SC_log_error(func, "", stmt);
mylog("**** SQLGetData: icol = %d, fCType = %d, field_type = %d, value = '%s'\n", icol, fCType, field_type, value);
- /* Is this another call for the same column to retrieve more data? */
- multiple = (icol == stmt->current_col) ? TRUE : FALSE;
+ stmt->current_col = icol;
result = copy_and_convert_field(stmt, field_type, value,
- fCType, rgbValue, cbValueMax, pcbValue, multiple);
-
+ fCType, rgbValue, cbValueMax, pcbValue);
- stmt->current_col = icol;
+ stmt->current_col = -1;
switch(result) {
case COPY_OK:
return SQL_ERROR;
case COPY_NO_DATA_FOUND:
- SC_log_error(func, "no data found", stmt);
+ /* SC_log_error(func, "no data found", stmt); */
return SQL_NO_DATA_FOUND;
default:
}
}
-// Returns data for bound columns in the current row ("hstmt->iCursor"),
-// advances the cursor.
-
-RETCODE SQL_API SQLFetch(
- HSTMT hstmt)
+RETCODE
+SC_fetch(StatementClass *stmt)
{
-static char *func = "SQLFetch";
-StatementClass *stmt = (StatementClass *) hstmt;
-QResultClass *res;
-int retval;
+static char *func = "SC_fetch";
+QResultClass *res = stmt->result;
+int retval, result;
Int2 num_cols, lf;
Oid type;
char *value;
ColumnInfoClass *ci;
// TupleField *tupleField;
-mylog("SQLFetch: stmt = %u, stmt->result= %u\n", stmt, stmt->result);
-
- if ( ! stmt) {
- SC_log_error(func, "", NULL);
- return SQL_INVALID_HANDLE;
- }
-
- SC_clear_error(stmt);
-
- if ( ! (res = stmt->result)) {
- stmt->errormsg = "Null statement result in SQLFetch.";
- stmt->errornumber = STMT_SEQUENCE_ERROR;
- SC_log_error(func, "", stmt);
- return SQL_ERROR;
- }
-
+ stmt->last_fetch_count = 0;
ci = QR_get_fields(res); /* the column info */
- if (stmt->status == STMT_EXECUTING) {
- stmt->errormsg = "Can't fetch while statement is still executing.";
- stmt->errornumber = STMT_SEQUENCE_ERROR;
- SC_log_error(func, "", stmt);
- return SQL_ERROR;
- }
-
-
- if (stmt->status != STMT_FINISHED) {
- stmt->errornumber = STMT_STATUS_ERROR;
- stmt->errormsg = "Fetch can only be called after the successful execution on a SQL statement";
- SC_log_error(func, "", stmt);
- return SQL_ERROR;
- }
-
- if (stmt->bindings == NULL) {
- // just to avoid a crash if the user insists on calling this
- // function even if SQL_ExecDirect has reported an Error
- stmt->errormsg = "Bindings were not allocated properly.";
- stmt->errornumber = STMT_SEQUENCE_ERROR;
- SC_log_error(func, "", stmt);
- return SQL_ERROR;
- }
-
mylog("manual_result = %d, use_declarefetch = %d\n", stmt->manual_result, globals.use_declarefetch);
if ( stmt->manual_result || ! globals.use_declarefetch) {
if (stmt->currTuple >= QR_get_num_tuples(res) -1 ||
- (stmt->maxRows > 0 && stmt->currTuple == stmt->maxRows - 1)) {
+ (stmt->options.maxRows > 0 && stmt->currTuple == stmt->options.maxRows - 1)) {
/* if at the end of the tuples, return "no data found"
and set the cursor past the end of the result set
num_cols = QR_NumResultCols(res);
+ result = SQL_SUCCESS;
+ stmt->last_fetch_count = 1;
+
for (lf=0; lf < num_cols; lf++) {
mylog("fetch: cols=%d, lf=%d, stmt = %u, stmt->bindings = %u, buffer[] = %u\n", num_cols, lf, stmt, stmt->bindings, stmt->bindings[lf].buffer);
+ /* reset for SQLGetData */
+ stmt->bindings[lf].data_left = -1;
+
if (stmt->bindings[lf].buffer != NULL) {
// this column has a binding
value = QR_get_value_backend_row(res, stmt->currTuple, lf);
}
- mylog("value = '%s'\n", value);
+ mylog("value = '%s'\n", (value==NULL)?"":value);
retval = copy_and_convert_field_bindinfo(stmt, type, value, lf);
mylog("copy_and_convert: retval = %d\n", retval);
-
switch(retval) {
case COPY_OK:
break; /* OK, do next bound column */
stmt->errormsg = "Received an unsupported type from Postgres.";
stmt->errornumber = STMT_RESTRICTED_DATA_TYPE_ERROR;
SC_log_error(func, "", stmt);
- return SQL_ERROR;
+ result = SQL_ERROR;
+ break;
case COPY_UNSUPPORTED_CONVERSION:
stmt->errormsg = "Couldn't handle the necessary data type conversion.";
stmt->errornumber = STMT_RESTRICTED_DATA_TYPE_ERROR;
SC_log_error(func, "", stmt);
- return SQL_ERROR;
+ result = SQL_ERROR;
+ break;
case COPY_RESULT_TRUNCATED:
stmt->errornumber = STMT_TRUNCATED;
stmt->errormsg = "The buffer was too small for the result.";
- return SQL_SUCCESS_WITH_INFO;
+ result = SQL_SUCCESS_WITH_INFO;
+ break;
case COPY_GENERAL_ERROR: /* error msg already filled in */
SC_log_error(func, "", stmt);
- return SQL_ERROR;
+ result = SQL_ERROR;
+ break;
+ /* This would not be meaningful in SQLFetch. */
case COPY_NO_DATA_FOUND:
- SC_log_error(func, "no data found", stmt);
- return SQL_NO_DATA_FOUND;
+ break;
default:
stmt->errormsg = "Unrecognized return value from copy_and_convert_field.";
stmt->errornumber = STMT_INTERNAL_ERROR;
SC_log_error(func, "", stmt);
- return SQL_ERROR;
+ result = SQL_ERROR;
+ break;
}
}
}
- return SQL_SUCCESS;
+ return result;
+}
+
+
+// Returns data for bound columns in the current row ("hstmt->iCursor"),
+// advances the cursor.
+
+RETCODE SQL_API SQLFetch(
+ HSTMT hstmt)
+{
+static char *func = "SQLFetch";
+StatementClass *stmt = (StatementClass *) hstmt;
+QResultClass *res;
+
+mylog("SQLFetch: stmt = %u, stmt->result= %u\n", stmt, stmt->result);
+
+ if ( ! stmt) {
+ SC_log_error(func, "", NULL);
+ return SQL_INVALID_HANDLE;
+ }
+
+ SC_clear_error(stmt);
+
+ if ( ! (res = stmt->result)) {
+ stmt->errormsg = "Null statement result in SQLFetch.";
+ stmt->errornumber = STMT_SEQUENCE_ERROR;
+ SC_log_error(func, "", stmt);
+ return SQL_ERROR;
+ }
+
+ if (stmt->status == STMT_EXECUTING) {
+ stmt->errormsg = "Can't fetch while statement is still executing.";
+ stmt->errornumber = STMT_SEQUENCE_ERROR;
+ SC_log_error(func, "", stmt);
+ return SQL_ERROR;
+ }
+
+
+ if (stmt->status != STMT_FINISHED) {
+ stmt->errornumber = STMT_STATUS_ERROR;
+ stmt->errormsg = "Fetch can only be called after the successful execution on a SQL statement";
+ SC_log_error(func, "", stmt);
+ return SQL_ERROR;
+ }
+
+ if (stmt->bindings == NULL) {
+ // just to avoid a crash if the user insists on calling this
+ // function even if SQL_ExecDirect has reported an Error
+ stmt->errormsg = "Bindings were not allocated properly.";
+ stmt->errornumber = STMT_SEQUENCE_ERROR;
+ SC_log_error(func, "", stmt);
+ return SQL_ERROR;
+ }
+
+ QR_set_rowset_size(res, 1);
+ QR_inc_base(res, stmt->last_fetch_count);
+
+ return SC_fetch(stmt);
}
// This fetchs a block of data (rowset).
{
static char *func = "SQLExtendedFetch";
StatementClass *stmt = (StatementClass *) hstmt;
-int num_tuples;
+QResultClass *res;
+int num_tuples, i, save_rowset_size;
RETCODE result;
-
+char truncated, error;
mylog("SQLExtendedFetch: stmt=%u\n", stmt);
return SQL_INVALID_HANDLE;
}
- if ( globals.use_declarefetch) {
- SC_log_error(func, "SQLExtendedFetch with UseDeclareFetch not yet supported", stmt);
+ if ( globals.use_declarefetch && ! stmt->manual_result) {
+ if ( fFetchType != SQL_FETCH_NEXT) {
+ stmt->errornumber = STMT_NOT_IMPLEMENTED_ERROR;
+ stmt->errormsg = "Unsupported fetch type for SQLExtendedFetch with UseDeclareFetch option.";
+ return SQL_ERROR;
+ }
+ }
+
+ SC_clear_error(stmt);
+
+ if ( ! (res = stmt->result)) {
+ stmt->errormsg = "Null statement result in SQLExtendedFetch.";
+ stmt->errornumber = STMT_SEQUENCE_ERROR;
+ SC_log_error(func, "", stmt);
+ return SQL_ERROR;
+ }
+
+ if (stmt->status == STMT_EXECUTING) {
+ stmt->errormsg = "Can't fetch while statement is still executing.";
+ stmt->errornumber = STMT_SEQUENCE_ERROR;
+ SC_log_error(func, "", stmt);
+ return SQL_ERROR;
+ }
+
+ if (stmt->status != STMT_FINISHED) {
+ stmt->errornumber = STMT_STATUS_ERROR;
+ stmt->errormsg = "ExtendedFetch can only be called after the successful execution on a SQL statement";
+ SC_log_error(func, "", stmt);
+ return SQL_ERROR;
+ }
+
+ if (stmt->bindings == NULL) {
+ // just to avoid a crash if the user insists on calling this
+ // function even if SQL_ExecDirect has reported an Error
+ stmt->errormsg = "Bindings were not allocated properly.";
+ stmt->errornumber = STMT_SEQUENCE_ERROR;
+ SC_log_error(func, "", stmt);
return SQL_ERROR;
}
/* Initialize to no rows fetched */
if (rgfRowStatus)
- *rgfRowStatus = SQL_ROW_NOROW;
+ for (i = 0; i < stmt->options.rowset_size; i++)
+ *(rgfRowStatus + i) = SQL_ROW_NOROW;
+
if (pcrow)
*pcrow = 0;
- num_tuples = QR_get_num_tuples(stmt->result);
+ num_tuples = QR_get_num_tuples(res);
+
+ /* Save and discard the saved rowset size */
+ save_rowset_size = stmt->save_rowset_size;
+ stmt->save_rowset_size = -1;
switch (fFetchType) {
case SQL_FETCH_NEXT:
+
+ /* From the odbc spec... If positioned before the start of the RESULT SET,
+ then this should be equivalent to SQL_FETCH_FIRST.
+ */
+
+ if (stmt->rowset_start < 0)
+ stmt->rowset_start = 0;
+
+ else {
+
+ stmt->rowset_start += (save_rowset_size > 0 ? save_rowset_size : stmt->options.rowset_size);
+ }
+
mylog("SQL_FETCH_NEXT: num_tuples=%d, currtuple=%d\n", num_tuples, stmt->currTuple);
break;
case SQL_FETCH_PRIOR:
mylog("SQL_FETCH_PRIOR: num_tuples=%d, currtuple=%d\n", num_tuples, stmt->currTuple);
- /* If already before result set, return no data found */
- if (stmt->currTuple <= 0)
- return SQL_NO_DATA_FOUND;
- stmt->currTuple -= 2;
+ /* From the odbc spec... If positioned after the end of the RESULT SET,
+ then this should be equivalent to SQL_FETCH_LAST.
+ */
+
+ if (stmt->rowset_start >= num_tuples) {
+ stmt->rowset_start = num_tuples <= 0 ? 0 : (num_tuples - stmt->options.rowset_size);
+
+ }
+ else {
+
+ stmt->rowset_start -= stmt->options.rowset_size;
+
+ }
+
break;
case SQL_FETCH_FIRST:
mylog("SQL_FETCH_FIRST: num_tuples=%d, currtuple=%d\n", num_tuples, stmt->currTuple);
- stmt->currTuple = -1;
+ stmt->rowset_start = 0;
break;
case SQL_FETCH_LAST:
mylog("SQL_FETCH_LAST: num_tuples=%d, currtuple=%d\n", num_tuples, stmt->currTuple);
- stmt->currTuple = num_tuples <= 0 ? -1 : (num_tuples - 2);
+
+ stmt->rowset_start = num_tuples <= 0 ? 0 : (num_tuples - stmt->options.rowset_size) ;
break;
case SQL_FETCH_ABSOLUTE:
/* Position before result set, but dont fetch anything */
if (irow == 0) {
+ stmt->rowset_start = -1;
stmt->currTuple = -1;
return SQL_NO_DATA_FOUND;
}
/* Position before the desired row */
else if (irow > 0) {
- stmt->currTuple = irow-2;
+ stmt->rowset_start = irow - 1;
}
/* Position with respect to the end of the result set */
else {
- stmt->currTuple = num_tuples + irow - 1;
+ stmt->rowset_start = num_tuples + irow;
}
+
+ break;
+
+ case SQL_FETCH_RELATIVE:
+
+ /* Refresh the current rowset -- not currently implemented, but lie anyway */
+ if (irow == 0) {
+ break;
+ }
+
+ stmt->rowset_start += irow;
+
+
break;
default:
}
+
+ /***********************************/
+ /* CHECK FOR PROPER CURSOR STATE */
+ /***********************************/
+ /* Handle Declare Fetch style specially because the end is not really the end... */
+ if ( globals.use_declarefetch && ! stmt->manual_result) {
+ if (QR_end_tuples(res)) {
+ return SQL_NO_DATA_FOUND;
+ }
+ }
+ else {
+ /* If *new* rowset is after the result_set, return no data found */
+ if (stmt->rowset_start >= num_tuples) {
+ stmt->rowset_start = num_tuples;
+ return SQL_NO_DATA_FOUND;
+ }
+ }
+
+ /* If *new* rowset is prior to result_set, return no data found */
+ if (stmt->rowset_start < 0) {
+ if (stmt->rowset_start + stmt->options.rowset_size <= 0) {
+ stmt->rowset_start = -1;
+ return SQL_NO_DATA_FOUND;
+ }
+ else { /* overlap with beginning of result set, so get first rowset */
+ stmt->rowset_start = 0;
+ }
+ }
+
+ /* currTuple is always 1 row prior to the rowset */
+ stmt->currTuple = stmt->rowset_start - 1;
+
+ /* increment the base row in the tuple cache */
+ QR_set_rowset_size(res, stmt->options.rowset_size);
+ QR_inc_base(res, stmt->last_fetch_count);
+
+ /* Physical Row advancement occurs for each row fetched below */
+
mylog("SQLExtendedFetch: new currTuple = %d\n", stmt->currTuple);
- result = SQLFetch(hstmt);
+ truncated = error = FALSE;
+ for (i = 0; i < stmt->options.rowset_size; i++) {
- if (result == SQL_SUCCESS) {
- if (rgfRowStatus)
- *rgfRowStatus = SQL_ROW_SUCCESS;
- if (pcrow)
- *pcrow = 1;
+ stmt->bind_row = i; // set the binding location
+ result = SC_fetch(stmt);
+
+ /* Determine Function status */
+ if (result == SQL_NO_DATA_FOUND)
+ break;
+ else if (result == SQL_SUCCESS_WITH_INFO)
+ truncated = TRUE;
+ else if (result == SQL_ERROR)
+ error = TRUE;
+
+ /* Determine Row Status */
+ if (rgfRowStatus) {
+ if (result == SQL_ERROR)
+ *(rgfRowStatus + i) = SQL_ROW_ERROR;
+ else
+ *(rgfRowStatus + i)= SQL_ROW_SUCCESS;
+ }
}
- return result;
+ /* Save the fetch count for SQLSetPos */
+ stmt->last_fetch_count= i;
+
+ /* Reset next binding row */
+ stmt->bind_row = 0;
+
+ /* Move the cursor position to the first row in the result set. */
+ stmt->currTuple = stmt->rowset_start;
+
+ /* For declare/fetch, need to reset cursor to beginning of rowset */
+ if (globals.use_declarefetch && ! stmt->manual_result) {
+ QR_set_position(res, 0);
+ }
+
+ /* Set the number of rows retrieved */
+ if (pcrow)
+ *pcrow = i;
+
+ if (i == 0)
+ return SQL_NO_DATA_FOUND; /* Only DeclareFetch should wind up here */
+ else if (error)
+ return SQL_ERROR;
+ else if (truncated)
+ return SQL_SUCCESS_WITH_INFO;
+ else
+ return SQL_SUCCESS;
}
return SQL_NO_DATA_FOUND;
}
-// This positions the cursor within a block of data.
-
+// This positions the cursor within a rowset, that was positioned using SQLExtendedFetch.
+// This will be useful (so far) only when using SQLGetData after SQLExtendedFetch.
RETCODE SQL_API SQLSetPos(
HSTMT hstmt,
UWORD irow,
UWORD fLock)
{
static char *func = "SQLSetPos";
-char buf[128];
+StatementClass *stmt = (StatementClass *) hstmt;
+QResultClass *res;
+int num_cols, i;
+BindInfoClass *bindings = stmt->bindings;
- sprintf(buf, "SQLSetPos not implemented: irow=%d, fOption=%d, fLock=%d\n", irow, fOption, fLock);
+ if ( ! stmt) {
+ SC_log_error(func, "", NULL);
+ return SQL_INVALID_HANDLE;
+ }
+
+ if (fOption != SQL_POSITION && fOption != SQL_REFRESH) {
+ stmt->errornumber = STMT_NOT_IMPLEMENTED_ERROR;
+ stmt->errormsg = "Only SQL_POSITION/REFRESH is supported for SQLSetPos";
+ SC_log_error(func, "", stmt);
+ return SQL_ERROR;
+ }
+
+ if ( ! (res = stmt->result)) {
+ stmt->errormsg = "Null statement result in SQLSetPos.";
+ stmt->errornumber = STMT_SEQUENCE_ERROR;
+ SC_log_error(func, "", stmt);
+ return SQL_ERROR;
+ }
+ num_cols = QR_NumResultCols(res);
+
+ if (irow == 0) {
+ stmt->errornumber = STMT_ROW_OUT_OF_RANGE;
+ stmt->errormsg = "Driver does not support Bulk operations.";
+ SC_log_error(func, "", stmt);
+ return SQL_ERROR;
+ }
+
+ if (irow > stmt->last_fetch_count) {
+ stmt->errornumber = STMT_ROW_OUT_OF_RANGE;
+ stmt->errormsg = "Row value out of range";
+ SC_log_error(func, "", stmt);
+ return SQL_ERROR;
+ }
+
+ irow--;
+
+ /* Reset for SQLGetData */
+ for (i = 0; i < num_cols; i++)
+ bindings[i].data_left = -1;
+
+ QR_set_position(res, irow);
+
+ stmt->currTuple = stmt->rowset_start + irow;
+
+ return SQL_SUCCESS;
- SC_log_error(func, buf, (StatementClass *) hstmt);
- return SQL_ERROR;
}
// Sets options that control the behavior of cursors.
#include
#include
+
#define closesocket(xxx) close(xxx)
#define SOCKETFD int
+
+#ifndef INADDR_NONE
+#ifndef _IN_ADDR_T
+#define _IN_ADDR_T
+typedef unsigned int in_addr_t;
+#endif
+#define INADDR_NONE ((in_addr_t)-1)
+#endif
+
#else
#include
#define SOCKETFD SOCKET
*phstmt = (HSTMT) stmt;
+ /* Copy default statement options based from Connection options
+ */
+ stmt->options = conn->stmtOptions;
+
+
+ /* Save the handle for later */
+ stmt->phstmt = phstmt;
+
return SQL_SUCCESS;
}
/**********************************************************************
* StatementClass implementation
*/
+void
+InitializeStatementOptions(StatementOptions *opt)
+{
+ opt->maxRows = 0; // driver returns all rows
+ opt->maxLength = 0; // driver returns all data for char/binary
+ opt->rowset_size = 1;
+ opt->keyset_size = 0; // fully keyset driven is the default
+ opt->scroll_concurrency = SQL_CONCUR_READ_ONLY;
+ opt->cursor_type = SQL_CURSOR_FORWARD_ONLY;
+ opt->bind_size = 0; /* default is to bind by column */
+ opt->retrieve_data = SQL_RD_ON;
+}
StatementClass *
SC_Constructor(void)
rv = (StatementClass *) malloc(sizeof(StatementClass));
if (rv) {
rv->hdbc = NULL; /* no connection associated yet */
+ rv->phstmt = NULL;
rv->result = NULL;
rv->manual_result = FALSE;
rv->prepare = FALSE;
rv->status = STMT_ALLOCATED;
- rv->maxRows = 0; // driver returns all rows
- rv->rowset_size = 1;
- rv->keyset_size = 0; // fully keyset driven is the default
- rv->scroll_concurrency = SQL_CONCUR_READ_ONLY;
- rv->cursor_type = SQL_CURSOR_FORWARD_ONLY;
+ rv->internal = FALSE;
+
rv->errormsg = NULL;
rv->errornumber = 0;
rv->errormsg_created = FALSE;
+
rv->statement = NULL;
rv->stmt_with_params[0] = '\0';
rv->statement_type = STMT_TYPE_UNKNOWN;
+
rv->bindings = NULL;
rv->bindings_allocated = 0;
+
rv->parameters_allocated = 0;
rv->parameters = 0;
+
rv->currTuple = -1;
+ rv->rowset_start = -1;
rv->current_col = -1;
- rv->result = 0;
+ rv->bind_row = 0;
+ rv->last_fetch_count = 0;
+ rv->save_rowset_size = -1;
+
rv->data_at_exec = -1;
rv->current_exec_param = -1;
rv->put_data = FALSE;
+
rv->lobj_fd = -1;
- rv->internal = FALSE;
rv->cursor_name[0] = '\0';
+ /* Parse Stuff */
rv->ti = NULL;
rv->fi = NULL;
rv->ntab = 0;
rv->nfld = 0;
rv->parse_status = STMT_PARSE_NONE;
+
+
+ /* Clear Statement Options -- defaults will be set in AllocStmt */
+ memset(&rv->options, 0, sizeof(StatementOptions));
}
return rv;
}
conn = SC_get_conn(self);
if ( ! CC_is_in_autocommit(conn) && CC_is_in_trans(conn)) {
- CC_send_query(conn, "ABORT", NULL, NULL);
+ CC_send_query(conn, "ABORT", NULL);
CC_set_no_trans(conn);
}
break;
self->result = NULL;
}
+ /****************************************************************/
+ /* Reset only parameters that have anything to do with results */
+ /****************************************************************/
+
self->status = STMT_READY;
self->manual_result = FALSE; // very important
self->currTuple = -1;
+ self->rowset_start = -1;
self->current_col = -1;
+ self->bind_row = 0;
+ self->last_fetch_count = 0;
self->errormsg = NULL;
self->errornumber = 0;
Int2 lf;
for(lf = 0; lf < self->bindings_allocated; lf++) {
+ self->bindings[lf].data_left = -1;
self->bindings[lf].buflen = 0;
self->bindings[lf].buffer = NULL;
self->bindings[lf].used = NULL;
QResultClass *res;
char ok, was_ok, was_nonfatal;
Int2 oldstatus, numcols;
+QueryInfo qi;
conn = SC_get_conn(self);
if ( ! self->internal && ! CC_is_in_trans(conn) && (globals.use_declarefetch || STMT_UPDATE(self))) {
mylog(" about to begin a transaction on statement = %u\n", self);
- res = CC_send_query(conn, "BEGIN", NULL, NULL);
+ res = CC_send_query(conn, "BEGIN", NULL);
if ( ! res) {
self->errormsg = "Could not begin a transaction";
self->errornumber = STMT_EXEC_ERROR;
/* send the declare/select */
- self->result = CC_send_query(conn, self->stmt_with_params, NULL, NULL);
+ self->result = CC_send_query(conn, self->stmt_with_params, NULL);
if (globals.use_declarefetch && self->result != NULL) {
+
+ QR_Destructor(self->result);
+
/* That worked, so now send the fetch to start getting data back */
- sprintf(fetch, "fetch %d in %s", globals.fetch_max, self->cursor_name);
+ qi.result_in = NULL;
+ qi.cursor = self->cursor_name;
+ qi.row_size = globals.fetch_max;
+
+ /* Most likely the rowset size will not be set by the application until
+ after the statement is executed, so might as well use the cache size.
+ The qr_next_tuple() function will correct for any discrepancies in
+ sizes and adjust the cache accordingly.
+ */
+
+ sprintf(fetch, "fetch %d in %s", qi.row_size, self->cursor_name);
- // Save the cursor in the result for later use
- self->result = CC_send_query( conn, fetch, NULL, self->cursor_name);
+ self->result = CC_send_query( conn, fetch, &qi);
}
mylog(" done sending the query:\n");
}
else { // not a SELECT statement so don't use a cursor
mylog(" its NOT a select statement: stmt=%u\n", self);
- self->result = CC_send_query(conn, self->stmt_with_params, NULL, NULL);
+ self->result = CC_send_query(conn, self->stmt_with_params, NULL);
// If we are in autocommit, we must send the commit.
if ( ! self->internal && CC_is_in_autocommit(conn) && STMT_UPDATE(self)) {
- CC_send_query(conn, "COMMIT", NULL, NULL);
+ CC_send_query(conn, "COMMIT", NULL);
CC_set_no_trans(conn);
}
self->currTuple = -1; /* set cursor before the first tuple in the list */
self->current_col = -1;
+ self->rowset_start = -1;
/* see if the query did return any result columns */
numcols = QR_NumResultCols(self->result);
qlog(" stmt_with_params='%s'\n", self->stmt_with_params);
qlog(" data_at_exec=%d, current_exec_param=%d, put_data=%d\n", self->data_at_exec, self->current_exec_param, self->put_data);
qlog(" currTuple=%d, current_col=%d, lobj_fd=%d\n", self->currTuple, self->current_col, self->lobj_fd);
- qlog(" maxRows=%d, rowset_size=%d, keyset_size=%d, cursor_type=%d, scroll_concurrency=%d\n", self->maxRows, self->rowset_size, self->keyset_size, self->cursor_type, self->scroll_concurrency);
+ qlog(" maxRows=%d, rowset_size=%d, keyset_size=%d, cursor_type=%d, scroll_concurrency=%d\n", self->options.maxRows, self->options.rowset_size, self->options.keyset_size, self->options.cursor_type, self->options.scroll_concurrency);
qlog(" cursor_name='%s'\n", self->cursor_name);
qlog(" ----------------QResult Info -------------------------------\n");
#define STMT_CREATE_TABLE_ERROR 17
#define STMT_NO_CURSOR_NAME 18
#define STMT_INVALID_CURSOR_NAME 19
+#define STMT_INVALID_ARGUMENT_NO 20
+#define STMT_ROW_OUT_OF_RANGE 21
+#define STMT_OPERATION_CANCELLED 22
+#define STMT_INVALID_CURSOR_POSITION 23
/* statement types */
enum {
STMT_PARSE_FATAL,
};
+/* Result style */
+enum {
+ STMT_FETCH_NONE = 0,
+ STMT_FETCH_NORMAL,
+ STMT_FETCH_EXTENDED,
+};
+
typedef struct {
COL_INFO *col_info; /* cached SQLColumns info for this table */
char name[MAX_TABLE_LEN+1];
} FIELD_INFO;
-
/******** Statement Handle ***********/
struct StatementClass_ {
ConnectionClass *hdbc; /* pointer to ConnectionClass this statement belongs to */
-
QResultClass *result; /* result of the current statement */
+ HSTMT FAR *phstmt;
+ StatementOptions options;
STMT_Status status;
char *errormsg;
int errornumber;
- int maxRows;
- int rowset_size;
- int keyset_size;
- int cursor_type;
- int scroll_concurrency;
/* information on bindings */
BindInfoClass *bindings; /* array to store the binding information */
int parameters_allocated;
ParameterInfoClass *parameters;
- Int4 currTuple;
+ Int4 currTuple; /* current absolute row number (GetData, SetPos, SQLFetch) */
+ int save_rowset_size; /* saved rowset size in case of change/FETCH_NEXT */
+ int rowset_start; /* start of rowset (an absolute row number) */
+ int bind_row; /* current offset for Multiple row/column binding */
+ int last_fetch_count; /* number of rows retrieved in last fetch/extended fetch */
int current_col; /* current column for GetData -- used to handle multiple calls */
int lobj_fd; /* fd of the current large object */
/* Statement prototypes */
StatementClass *SC_Constructor(void);
+void InitializeStatementOptions(StatementOptions *opt);
char SC_Destructor(StatementClass *self);
int statement_type(char *statement);
char parse_statement(StatementClass *stmt);
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