Function GetAppendOnlyEntry

src/backend/catalog/pg_appendonly.c:220–232

* Get the pg_appendonly entry for the relation. This should only be called on * tables with pg_appendonly entries, which currently are just non-partitioned * AO/CO tables. The pg_appendonly data is copied into the Form_pg_appendonly * pointer which should be valid. */

 * pointer which should be valid.
 */
void
GetAppendOnlyEntry(Relation rel, Form_pg_appendonly aoEntry)
{
	Form_pg_appendonly	aoForm;

	/* the relation has to be a non-partitioned AO/CO table and the aoEntry is valid */
	Assert(RelationStorageIsAO(rel));
	Assert(aoEntry);

	aoForm = rel->rd_appendonly;

	memcpy(aoEntry, aoForm, APPENDONLY_TUPLE_SIZE);
}

/*
 * Update the segrelid and/or blkdirrelid if the input new values