PG_GTT_RELSTATS

PG_GTT_RELSTATS displays basic information about all global temporary tables of the current session by calling pg_get_gtt_relstats(). Data is inherited from a centralized global temporary table. The query result of the distributed global temporary table on a CN is not meaningful, and the query result on a DN is empty. Therefore, it is not recommended in distributed mode.

**Table 1** PG_GTT_RELSTATS columns
Name	Type	Description
schemaname	name	Schema name.
tablename	name	Name of a global temporary table.
relfilenode	oid	File object ID.
relpages	integer	Number of disk pages of a global temporary table.
reltuples	real	Number of records in a global temporary table.
relallvisible	integer	Number of pages that are marked as all visible.
relfrozenxid	xid	All transaction IDs before this one have been replaced with a permanent (frozen) transaction ID in the table.
relminmxid	xid	Reserved.