Updated on 2024-05-07 GMT+08:00

PG_STATIO_USER_TABLES

PG_STATIO_USER_TABLES displays I/O status information about all the user relationship tables in the namespaces.

Table 1 PG_STATIO_USER_TABLES columns

Name

Type

Description

relid

oid

OID of a table.

schemaname

name

Name of the schema that this table is in.

relname

name

Table name.

heap_blks_read

bigint

Number of disk blocks read from this table.

heap_blks_hit

bigint

Number of cache hits in this table.

idx_blks_read

bigint

Number of disk blocks read from all indexes in this table.

idx_blks_hit

bigint

Number of cache hits of all indexes in this table.

toast_blks_read

bigint

Number of disk blocks (if any) read from the TOAST table of this table.

toast_blks_hit

bigint

Number of cache hits (if any) in the TOAST table of this table.

tidx_blks_read

bigint

Number of disk blocks (if any) read from the TOAST table indexes of this table.

tidx_blks_hit

bigint

Number of cache hits (if any) in the TOAST table indexes of this table.