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luhuayi 177cd61a57 DWS DEVG 910.211 version

Reviewed-by: Pruthi, Vineet <vineet.pruthi@t-systems.com>
Co-authored-by: luhuayi <luhuayi@huawei.com>
Co-committed-by: luhuayi <luhuayi@huawei.com>

2025-05-05 07:44:03 +00:00

PG_STATIO_USER_TABLES

PG_STATIO_USER_TABLES displays the I/O status information about all the user relation tables in the namespace.

**Table 1** PG_STATIO_USER_TABLES columns
Column	Type	Description
relid	OID	Table OID
schemaname	Name	Schema name of the table
relname	Name	Name of a table
heap_blks_read	Bigint	Number of disk blocks read from this table
heap_blks_hit	Bigint	Number of buffer hits in this table
idx_blks_read	Bigint	Number of disk blocks read from the index in this table
idx_blks_hit	Bigint	Number of buffer hits in all indexes on this table
toast_blks_read	Bigint	Number of disk blocks read from the TOAST table (if any) in this table
toast_blks_hit	Bigint	Number of buffer hits in the TOAST table (if any) in this table
tidx_blks_read	Bigint	Number of disk blocks read from the TOAST table index (if any) in this table
tidx_blks_hit	Bigint	Number of buffer hits in the TOAST table index (if any) in this table

Parent topic: System Views