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ALTER DOMAIN .. SET / DROP NOT NULL

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ALTER DOMAIN .. SET / DROP DEFAULT
ALTER DOMAIN .. ADD / DROP CONSTRAINT

New files:
- doc/src/sgml/ref/alter_domain.sgml

Rod Taylor
This commit is contained in:
Bruce Momjian
2002-12-06 03:28:34 +00:00
parent 36580c8e21
commit 853153ca6d
22 changed files with 1527 additions and 263 deletions
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52
src/backend/parser/gram.y
View File

@ -11,7 +11,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/parser/gram.y,v 2.383 2002/11/25 21:29:40 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/parser/gram.y,v 2.384 2002/12/06 03:28:33 momjian Exp $
*
* HISTORY
* AUTHOR DATE MAJOR EVENT
@ -128,7 +128,7 @@ static void doNegateFloat(Value *v);
}
%type <node> stmt schema_stmt
AlterDatabaseSetStmt AlterGroupStmt
AlterDatabaseSetStmt AlterDomainStmt AlterGroupStmt
AlterTableStmt AlterUserStmt AlterUserSetStmt
AnalyzeStmt ClosePortalStmt ClusterStmt CommentStmt
ConstraintsSetStmt CopyStmt CreateAsStmt CreateCastStmt
@ -479,6 +479,7 @@ stmtmulti: stmtmulti ';' stmt
stmt :
AlterDatabaseSetStmt
| AlterDomainStmt
| AlterGroupStmt
| AlterTableStmt
| AlterUserStmt
@ -3729,6 +3730,53 @@ CreateDomainStmt:
}
;
AlterDomainStmt:
/* ALTER DOMAIN <domain> {SET DEFAULT <expr>|DROP DEFAULT} */
ALTER DOMAIN_P any_name alter_column_default
{
AlterDomainStmt *n = makeNode(AlterDomainStmt);
n->subtype = 'T';
n->typename = $3;
n->def = $4;
$$ = (Node *)n;
}
/* ALTER DOMAIN <domain> DROP NOT NULL */
| ALTER DOMAIN_P any_name DROP NOT NULL_P
{
AlterDomainStmt *n = makeNode(AlterDomainStmt);
n->subtype = 'N';
n->typename = $3;
$$ = (Node *)n;
}
/* ALTER DOMAIN <domain> SET NOT NULL */
| ALTER DOMAIN_P any_name SET NOT NULL_P
{
AlterDomainStmt *n = makeNode(AlterDomainStmt);
n->subtype = 'O';
n->typename = $3;
$$ = (Node *)n;
}
/* ALTER DOMAIN <domain> ADD CONSTRAINT ... */
| ALTER DOMAIN_P any_name ADD TableConstraint
{
AlterDomainStmt *n = makeNode(AlterDomainStmt);
n->subtype = 'C';
n->typename = $3;
n->def = $5;
$$ = (Node *)n;
}
/* ALTER DOMAIN <domain> DROP CONSTRAINT <name> [RESTRICT|CASCADE] */
| ALTER DOMAIN_P any_name DROP CONSTRAINT name opt_drop_behavior
{
AlterDomainStmt *n = makeNode(AlterDomainStmt);
n->subtype = 'X';
n->typename = $3;
n->name = $6;
n->behavior = $7;
$$ = (Node *)n;
}
;
opt_as: AS {}
| /* EMPTY */ {}
;

10
src/backend/parser/parse_expr.c
View File

@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/parser/parse_expr.c,v 1.132 2002/11/30 21:25:05 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/parser/parse_expr.c,v 1.133 2002/12/06 03:28:33 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@ -629,6 +629,14 @@ transformExpr(ParseState *pstate, Node *expr, ConstraintTestValue *domVal)
case T_DomainConstraintValue:
{
/*
* If domVal is NULL, we are not translating an expression that
* can use it
*/
if (domVal == NULL)
elog(ERROR, "VALUE is not allowed in expression for node %d",
nodeTag(expr));
result = (Node *) copyObject(domVal);
break;