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Adjust many backend functions to return OID rather than void.

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Extracted from a larger patch by Dimitri Fontaine.  It is hoped that
this will provide infrastructure for enriching the new event trigger
functionality, but it seems possibly useful for other purposes as
well.
This commit is contained in:
Robert Haas
2012-12-23 18:25:03 -05:00
parent 31bc839724
commit c504513f83
39 changed files with 385 additions and 276 deletions
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6
src/backend/commands/trigger.c
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@ -1193,9 +1193,10 @@ RangeVarCallbackForRenameTrigger(const RangeVar *rv, Oid relid, Oid oldrelid,
* modify tgname in trigger tuple
* update row in catalog
*/
void
Oid
renametrig(RenameStmt *stmt)
{
Oid tgoid;
Relation targetrel;
Relation tgrel;
HeapTuple tuple;
@ -1261,6 +1262,7 @@ renametrig(RenameStmt *stmt)
SnapshotNow, 2, key);
if (HeapTupleIsValid(tuple = systable_getnext(tgscan)))
{
tgoid = HeapTupleGetOid(tuple);
/*
* Update pg_trigger tuple with new tgname.
*/
@ -1297,6 +1299,8 @@ renametrig(RenameStmt *stmt)
* Close rel, but keep exclusive lock!
*/
relation_close(targetrel, NoLock);
return tgoid;
}