backend/partitioning/partbounds.c

1263 		Relation	part_rel;
1276 			part_rel = table_open(part_relid, NoLock);
1285 										part_rel, default_rel, NULL);
1292 			if (PartConstraintImpliedByRelConstraint(part_rel,
1297 								RelationGetRelationName(part_rel))));
1299 				table_close(part_rel, NoLock);
1305 			part_rel = default_rel;
1313 		if (part_rel->rd_rel->relkind != RELKIND_RELATION)
1315 			if (part_rel->rd_rel->relkind == RELKIND_FOREIGN_TABLE)
1319 								RelationGetRelationName(part_rel),
1322 			if (RelationGetRelid(default_rel) != RelationGetRelid(part_rel))
1323 				table_close(part_rel, NoLock);
1335 		tupslot = table_slot_create(part_rel, &estate->es_tupleTable);
1336 		scan = table_beginscan(part_rel, snapshot, 0, NULL);
1364 		if (RelationGetRelid(default_rel) != RelationGetRelid(part_rel))
1365 			table_close(part_rel, NoLock);	/* keep the lock until commit */