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Improve ALTER DOMAIN / DROP CONSTRAINT with nonexistent constraint

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ALTER DOMAIN / DROP CONSTRAINT on a nonexistent constraint name did
not report any error.  Now it reports an error.  The IF EXISTS option
was added to get the usual behavior of ignoring nonexistent objects to
drop.
This commit is contained in:
Peter Eisentraut
2012-01-05 19:48:55 +02:00
parent 2abefd9a92
commit 104e7dac28
10 changed files with 45 additions and 5 deletions
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src/include/commands/typecmds.h
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@@ -33,7 +33,7 @@ extern void AlterDomainNotNull(List *names, bool notNull);
extern void AlterDomainAddConstraint(List *names, Node *constr);
extern void AlterDomainValidateConstraint(List *names, char *constrName);
extern void AlterDomainDropConstraint(List *names, const char *constrName,
DropBehavior behavior);
DropBehavior behavior, bool missing_ok);
extern List *GetDomainConstraints(Oid typeOid);