*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/parser/gram.y,v 1.78 1997/12/06 22:56:42 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/backend/parser/gram.y,v 1.79 1997/12/16 15:50:54 thomas Exp $
*
* HISTORY
* AUTHOR DATE MAJOR EVENT
%type ColId, ColLabel
%type TableConstraint
-%type constraint_expr
-%type default_expr
-%type ColQualList
+%type constraint_list, constraint_expr
+%type default_list, default_expr
+%type ColQualList, ColQualifier
%type ColConstraint, ColConstraintElem
%type key_actions, key_action
%type key_match, key_reference
IN, INNER_P, INSERT, INTERVAL, INTO, IS,
JOIN, KEY, LANGUAGE, LEADING, LEFT, LIKE, LOCAL,
MATCH, MINUTE_P, MONTH_P,
- NATIONAL, NATURAL, NCHAR, NO, NOT, NOTIFY, NOTNULL, NULL_P, NUMERIC,
+ NATIONAL, NATURAL, NCHAR, NO, NOT, NOTIFY, NULL_P, NUMERIC,
ON, OPTION, OR, ORDER, OUTER_P,
PARTIAL, POSITION, PRECISION, PRIMARY, PRIVILEGES, PROCEDURE, PUBLIC,
REFERENCES, REVOKE, RIGHT, ROLLBACK,
FORWARD, FUNCTION, HANDLER,
INDEX, INHERITS, INSTEAD, ISNULL,
LANCOMPILER, LISTEN, LOAD, LOCATION, MERGE, MOVE,
- NEW, NONE, NOTHING, OIDS, OPERATOR, PROCEDURAL,
+ NEW, NONE, NOTHING, NOTNULL, OIDS, OPERATOR, PROCEDURAL,
RECIPE, RENAME, REPLACE, RESET, RETRIEVE, RETURNS, RULE,
SEQUENCE, SETOF, SHOW, STDIN, STDOUT, TRUSTED,
VACUUM, VERBOSE, VERSION
*
* Todd A. Brandys
*/
-%token USER, PASSWORD, CREATEDB, NOCREATEDB, CREATEUSER, NOCREATEUSER, VALID, UNTIL
+%token USER, PASSWORD, CREATEDB, NOCREATEDB, CREATEUSER, NOCREATEUSER, VALID, UNTIL
/* Special keywords, not in the query language - see the "lex" file */
%token IDENT, SCONST, Op
/*****************************************************************************
*
- * Create a new postresql DBMS user
+ * Create a new Postgres DBMS user
*
*
*****************************************************************************/
-CreateUserStmt: CREATE USER Id
- user_passwd_clause
- user_createdb_clause
- user_createuser_clause
- user_group_clause
- user_valid_clause
- { CreateUserStmt *n = makeNode(CreateUserStmt);
- n->user = $3;
- n->password = $4;
- n->createdb = $5;
- n->createuser = $6;
- n->groupElts = $7;
- n->validUntil = $8;
- $$ = (Node *)n;
- }
- ;
+CreateUserStmt: CREATE USER Id user_passwd_clause user_createdb_clause
+ user_createuser_clause user_group_clause user_valid_clause
+ {
+ CreateUserStmt *n = makeNode(CreateUserStmt);
+ n->user = $3;
+ n->password = $4;
+ n->createdb = $5;
+ n->createuser = $6;
+ n->groupElts = $7;
+ n->validUntil = $8;
+ $$ = (Node *)n;
+ }
+ ;
/*****************************************************************************
*
*
*****************************************************************************/
-AlterUserStmt: ALTER USER Id
- user_passwd_clause
- user_createdb_clause
- user_createuser_clause
- user_group_clause
- user_valid_clause
- { AlterUserStmt *n = makeNode(AlterUserStmt);
- n->user = $3;
- n->password = $4;
- n->createdb = $5;
- n->createuser = $6;
- n->groupElts = $7;
- n->validUntil = $8;
- $$ = (Node *)n;
- }
- ;
+AlterUserStmt: ALTER USER Id user_passwd_clause user_createdb_clause
+ user_createuser_clause user_group_clause user_valid_clause
+ {
+ AlterUserStmt *n = makeNode(AlterUserStmt);
+ n->user = $3;
+ n->password = $4;
+ n->createdb = $5;
+ n->createuser = $6;
+ n->groupElts = $7;
+ n->validUntil = $8;
+ $$ = (Node *)n;
+ }
+ ;
/*****************************************************************************
*
*****************************************************************************/
DropUserStmt: DROP USER Id
- { DropUserStmt *n = makeNode(DropUserStmt);
- n->user = $3;
- $$ = (Node *)n;
- }
- ;
-
-user_passwd_clause: WITH PASSWORD Id { $$ = $3; }
- | /*EMPTY*/ { $$ = NULL; }
- ;
-
-user_createdb_clause: CREATEDB { bool* b;
- $$ = (b = (bool*)palloc(sizeof(bool)));
- *b = true;
- }
- | NOCREATEDB { bool* b;
- $$ = (b = (bool*)palloc(sizeof(bool)));
- *b = false;
- }
- | /*EMPTY*/ { $$ = NULL; }
- ;
-
-user_createuser_clause: CREATEUSER { bool* b;
- $$ = (b = (bool*)palloc(sizeof(bool)));
- *b = true;
- }
- | NOCREATEUSER { bool* b;
- $$ = (b = (bool*)palloc(sizeof(bool)));
- *b = false;
- }
- | /*EMPTY*/ { $$ = NULL; }
- ;
-
-user_group_list: user_group_list ',' Id { $$ = lcons((void*)makeString($3), $1); }
- | Id { $$ = makeList((void*)makeString($1), NULL); }
- ;
-
-user_group_clause: IN GROUP user_group_list { $$ = $3; }
- | /*EMPTY*/ { $$ = NULL; }
- ;
-
-user_valid_clause: VALID UNTIL SCONST { $$ = $3; }
- | /*EMPTY*/ { $$ = NULL; }
- ;
+ {
+ DropUserStmt *n = makeNode(DropUserStmt);
+ n->user = $3;
+ $$ = (Node *)n;
+ }
+ ;
+
+user_passwd_clause: WITH PASSWORD Id { $$ = $3; }
+ | /*EMPTY*/ { $$ = NULL; }
+ ;
+
+user_createdb_clause: CREATEDB
+ {
+ bool* b;
+ $$ = (b = (bool*)palloc(sizeof(bool)));
+ *b = true;
+ }
+ | NOCREATEDB
+ {
+ bool* b;
+ $$ = (b = (bool*)palloc(sizeof(bool)));
+ *b = false;
+ }
+ | /*EMPTY*/ { $$ = NULL; }
+ ;
+
+user_createuser_clause: CREATEUSER
+ {
+ bool* b;
+ $$ = (b = (bool*)palloc(sizeof(bool)));
+ *b = true;
+ }
+ | NOCREATEUSER
+ {
+ bool* b;
+ $$ = (b = (bool*)palloc(sizeof(bool)));
+ *b = false;
+ }
+ | /*EMPTY*/ { $$ = NULL; }
+ ;
+
+user_group_list: user_group_list ',' Id
+ {
+ $$ = lcons((void*)makeString($3), $1);
+ }
+ | Id
+ {
+ $$ = lcons((void*)makeString($1), NIL);
+ }
+ ;
+
+user_group_clause: IN GROUP user_group_list { $$ = $3; }
+ | /*EMPTY*/ { $$ = NULL; }
+ ;
+
+user_valid_clause: VALID UNTIL SCONST { $$ = $3; }
+ | /*EMPTY*/ { $$ = NULL; }
+ ;
/*****************************************************************************
*
;
opt_with_copy: WITH OIDS { $$ = TRUE; }
- | /* EMPTY */ { $$ = FALSE; }
+ | /*EMPTY*/ { $$ = FALSE; }
;
/*
* the default copy delimiter is tab but the user can configure it
*/
-copy_delimiter: USING DELIMITERS Sconst { $$ = $3;}
- | /* EMPTY */ { $$ = "\t"; }
+copy_delimiter: USING DELIMITERS Sconst { $$ = $3; }
+ | /*EMPTY*/ { $$ = "\t"; }
;
| TableConstraint { $$ = $1; }
;
-columnDef: ColId Typename ColQualList
+columnDef: ColId Typename ColQualifier
{
ColumnDef *n = makeNode(ColumnDef);
n->colname = $1;
}
;
-/* ColQualList decodes column-specific qualifiers.
- * Seem to need to specify the explicit combinations
- * to eliminate reduce/reduce conflicts.
- * I think this is because there are no explicit delimiters
- * (like commas) between clauses.
- * - thomas 1997-12-03
- */
-ColQualList: ColConstraint ColConstraint ColConstraint ColConstraint
- { $$ = lappend(lappend(lappend(lcons($1, NIL), $2), $3), $4); }
- | ColConstraint ColConstraint ColConstraint
- { $$ = lappend(lappend(lcons($1, NIL), $2), $3); }
- | ColConstraint ColConstraint { $$ = lappend(lcons($1, NIL), $2); }
- | ColConstraint { $$ = lcons($1, NIL); }
+ColQualifier: ColQualList { $$ = $1; }
| /*EMPTY*/ { $$ = NULL; }
;
+ColQualList: ColQualList ColConstraint { $$ = lappend($1,$2); }
+ | ColConstraint { $$ = lcons($1, NIL); }
+ ;
+
ColConstraint:
CONSTRAINT name ColConstraintElem
{
n->keys = NULL;
$$ = (Node *)n;
}
- | NOTNULL
- {
- Constraint *n = makeNode(Constraint);
- n->contype = CONSTR_NOTNULL;
- n->name = NULL;
- n->def = NULL;
- n->keys = NULL;
- $$ = (Node *)n;
- }
| UNIQUE
{
Constraint *n = makeNode(Constraint);
}
;
+default_list: default_list ',' default_expr
+ {
+ $$ = lappend($1,makeString(","));
+ $$ = nconc($$, $3);
+ }
+ | default_expr
+ {
+ $$ = $1;
+ }
+ ;
+
default_expr: AexprConst
{ $$ = makeConstantList((A_Const *) $1); }
| NULL_P
}
| '(' default_expr ')'
{ $$ = lappend( lcons( makeString( "("), $2), makeString( ")")); }
- | name '(' default_expr ')'
+ | name '(' ')'
{
$$ = makeList( makeString($1), makeString("("), -1);
- $$ = nconc( $$, $3);
$$ = lappend( $$, makeString(")"));
}
- | name '(' ')'
+ | name '(' default_list ')'
{
$$ = makeList( makeString($1), makeString("("), -1);
+ $$ = nconc( $$, $3);
$$ = lappend( $$, makeString(")"));
}
| default_expr Op default_expr
{ elog(NOTICE,"CREATE TABLE/FOREIGN KEY clause ignored; not yet implemented",NULL); }
;
+constraint_list: constraint_list ',' constraint_expr
+ {
+ $$ = lappend($1,makeString(","));
+ $$ = nconc($$, $3);
+ }
+ | constraint_expr
+ {
+ $$ = $1;
+ }
+ ;
+
constraint_expr: AexprConst
{ $$ = makeConstantList((A_Const *) $1); }
| NULL_P
}
| '(' constraint_expr ')'
{ $$ = lappend( lcons( makeString( "("), $2), makeString( ")")); }
- | name '(' constraint_expr ')'
+ | name '(' ')'
+ {
+ $$ = makeList( makeString($1), makeString("("), -1);
+ $$ = lappend( $$, makeString(")"));
+ }
+ | name '(' constraint_list ')'
{
$$ = makeList( makeString($1), makeString("("), -1);
$$ = nconc( $$, $3);
fetch_how_many: Iconst
{ $$ = $1;
if ($1 <= 0) elog(WARN,"Please specify nonnegative count for fetch",NULL); }
- | ALL { $$ = 0; /* 0 means fetch all tuples*/}
+ | ALL { $$ = 0; /* 0 means fetch all tuples*/ }
| /*EMPTY*/ { $$ = 1; /*default*/ }
;
-opt_portal_name: IN name { $$ = $2;}
+opt_portal_name: IN name { $$ = $2; }
| /*EMPTY*/ { $$ = NULL; }
;
}
;
-opt_type: ':' Typename { $$ = $2;}
- | FOR Typename { $$ = $2;}
- | /*EMPTY*/ { $$ = NULL;}
+opt_type: ':' Typename { $$ = $2; }
+ | FOR Typename { $$ = $2; }
+ | /*EMPTY*/ { $$ = NULL; }
;
/* opt_class "WITH class" conflicts with preceeding opt_type
};
opt_with: WITH definition { $$ = $2; }
- | /* EMPTY */ { $$ = NIL; }
+ | /*EMPTY*/ { $$ = NIL; }
;
def_args: '(' def_name_list ')' { $$ = $2; }
;
opt_instead: INSTEAD { $$ = TRUE; }
- | /* EMPTY */ { $$ = FALSE; }
+ | /*EMPTY*/ { $$ = FALSE; }
;
;
opt_verbose: VERBOSE { $$ = TRUE; }
- | /* EMPTY */ { $$ = FALSE; }
+ | /*EMPTY*/ { $$ = FALSE; }
;
opt_analyze: ANALYZE { $$ = TRUE; }
- | /* EMPTY */ { $$ = FALSE; }
+ | /*EMPTY*/ { $$ = FALSE; }
;
opt_va_list: '(' va_list ')'
| DAY_P TO SECOND_P { $$ = NIL; }
| HOUR_P TO MINUTE_P { $$ = NIL; }
| HOUR_P TO SECOND_P { $$ = NIL; }
- | /* EMPTY */ { $$ = NIL; }
+ | /*EMPTY*/ { $$ = NIL; }
;
*****************************************************************************/
a_expr_or_null: a_expr
- { $$ = $1;}
+ { $$ = $1; }
| NULL_P
{
A_Const *n = makeNode(A_Const);
n->args = NIL;
$$ = (Node *)n;
}
+ | name '(' expr_list ')'
+ {
+ FuncCall *n = makeNode(FuncCall);
+ n->funcname = $1;
+ n->args = $3;
+ $$ = (Node *)n;
+ }
| CURRENT_DATE
{
A_Const *n = makeNode(A_Const);
n->args = $3;
$$ = (Node *)n;
}
- | name '(' expr_list ')'
- {
- FuncCall *n = makeNode(FuncCall);
- n->funcname = $1;
- n->args = $3;
- $$ = (Node *)n;
- }
| a_expr ISNULL
{ $$ = makeA_Expr(ISNULL, NULL, $1, NULL); }
| a_expr IS NULL_P
n->args = NIL;
$$ = (Node *)n;
}
+ | name '(' expr_list ')'
+ {
+ FuncCall *n = makeNode(FuncCall);
+ n->funcname = $1;
+ n->args = $3;
+ $$ = (Node *)n;
+ }
| POSITION '(' position_list ')'
{
FuncCall *n = makeNode(FuncCall);
n->args = $3;
$$ = (Node *)n;
}
- | name '(' expr_list ')'
- {
- FuncCall *n = makeNode(FuncCall);
- n->funcname = $1;
- n->args = $3;
- $$ = (Node *)n;
- }
;
substr_list: expr_list substr_from substr_for
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