Function GetPgIndexDescriptor

src/backend/utils/cache/relcache.c:4589–4600

}

static TupleDesc
GetPgIndexDescriptor(void)
{
	static TupleDesc pgindexdesc = NULL;

	/* Already done? */
	if (pgindexdesc == NULL)
		pgindexdesc = BuildHardcodedDescriptor(Natts_pg_index,
											   Desc_pg_index);

	return pgindexdesc;
}

/*
 * Load any default attribute value definitions for the relation.