1 files changed, 0 insertions, 102 deletions
diff --git a/src/backend/catalog/pg_largeobject.c b/src/backend/catalog/pg_largeobject.c
index 33220341401..b693fdee157 100644
--- a/src/backend/catalog/pg_largeobject.c
+++ b/src/backend/catalog/pg_largeobject.c
@@ -140,108 +140,6 @@ LargeObjectDrop(Oid loid)
 }
 
 /*
- * LargeObjectAlterOwner
- *
- * Implementation of ALTER LARGE OBJECT statement
- */
-void
-LargeObjectAlterOwner(Oid loid, Oid newOwnerId)
-{
-	Form_pg_largeobject_metadata form_lo_meta;
-	Relation	pg_lo_meta;
-	ScanKeyData skey[1];
-	SysScanDesc scan;
-	HeapTuple	oldtup;
-	HeapTuple	newtup;
-
-	pg_lo_meta = heap_open(LargeObjectMetadataRelationId,
-						   RowExclusiveLock);
-
-	ScanKeyInit(&skey[0],
-				ObjectIdAttributeNumber,
-				BTEqualStrategyNumber, F_OIDEQ,
-				ObjectIdGetDatum(loid));
-
-	scan = systable_beginscan(pg_lo_meta,
-							  LargeObjectMetadataOidIndexId, true,
-							  SnapshotNow, 1, skey);
-
-	oldtup = systable_getnext(scan);
-	if (!HeapTupleIsValid(oldtup))
-		ereport(ERROR,
-				(errcode(ERRCODE_UNDEFINED_OBJECT),
-				 errmsg("large object %u does not exist", loid)));
-
-	form_lo_meta = (Form_pg_largeobject_metadata) GETSTRUCT(oldtup);
-	if (form_lo_meta->lomowner != newOwnerId)
-	{
-		Datum		values[Natts_pg_largeobject_metadata];
-		bool		nulls[Natts_pg_largeobject_metadata];
-		bool		replaces[Natts_pg_largeobject_metadata];
-		Acl		   *newAcl;
-		Datum		aclDatum;
-		bool		isnull;
-
-		/* Superusers can always do it */
-		if (!superuser())
-		{
-			/*
-			 * lo_compat_privileges is not checked here, because ALTER LARGE
-			 * OBJECT ... OWNER did not exist at all prior to PostgreSQL 9.0.
-			 *
-			 * We must be the owner of the existing object.
-			 */
-			if (!pg_largeobject_ownercheck(loid, GetUserId()))
-				ereport(ERROR,
-						(errcode(ERRCODE_INSUFFICIENT_PRIVILEGE),
-						 errmsg("must be owner of large object %u", loid)));
-
-			/* Must be able to become new owner */
-			check_is_member_of_role(GetUserId(), newOwnerId);
-		}
-
-		memset(values, 0, sizeof(values));
-		memset(nulls, false, sizeof(nulls));
-		memset(replaces, false, sizeof(nulls));
-
-		values[Anum_pg_largeobject_metadata_lomowner - 1]
-			= ObjectIdGetDatum(newOwnerId);
-		replaces[Anum_pg_largeobject_metadata_lomowner - 1] = true;
-
-		/*
-		 * Determine the modified ACL for the new owner. This is only
-		 * necessary when the ACL is non-null.
-		 */
-		aclDatum = heap_getattr(oldtup,
-								Anum_pg_largeobject_metadata_lomacl,
-								RelationGetDescr(pg_lo_meta), &isnull);
-		if (!isnull)
-		{
-			newAcl = aclnewowner(DatumGetAclP(aclDatum),
-								 form_lo_meta->lomowner, newOwnerId);
-			values[Anum_pg_largeobject_metadata_lomacl - 1]
-				= PointerGetDatum(newAcl);
-			replaces[Anum_pg_largeobject_metadata_lomacl - 1] = true;
-		}
-
-		newtup = heap_modify_tuple(oldtup, RelationGetDescr(pg_lo_meta),
-								   values, nulls, replaces);
-
-		simple_heap_update(pg_lo_meta, &newtup->t_self, newtup);
-		CatalogUpdateIndexes(pg_lo_meta, newtup);
-
-		heap_freetuple(newtup);
-
-		/* Update owner dependency reference */
-		changeDependencyOnOwner(LargeObjectRelationId,
-								loid, newOwnerId);
-	}
-	systable_endscan(scan);
-
-	heap_close(pg_lo_meta, RowExclusiveLock);
-}
-
-/*
  * LargeObjectExists
  *
  * We don't use the system cache for large object metadata, for fear of