Function CatalogTupleUpdate

src/backend/catalog/indexing.c:301–314

* CatalogTupleUpdate - do heap and indexing work for updating a catalog tuple * * Update the tuple identified by "otid", replacing it with the data in "tup". * * This is a convenience routine for the common case of updating a single * tuple in a system catalog; it updates one heap tuple, keeping indexes * current. Avoid using it for multiple tuples, since opening the indexes * and building

 * (Use CatalogTupleUpdateWithInfo in such cases.)
 */
void
CatalogTupleUpdate(Relation heapRel, ItemPointer otid, HeapTuple tup)
{
	CatalogIndexState indstate;

	CatalogTupleCheckConstraints(heapRel, tup);

	indstate = CatalogOpenIndexes(heapRel);

	simple_heap_update(heapRel, otid, tup);

	CatalogIndexInsert(indstate, tup);
	CatalogCloseIndexes(indstate);
}

/*
 * CatalogTupleUpdateWithInfo - as above, but with caller-supplied index info