• Data Warehouse Service

dws
  1. Help Center
  2. Data Warehouse Service
  3. Developer Guide
  4. Systems Tables and Views
  5. PG_STATIO_USER_TABLES

PG_STATIO_USER_TABLES

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

Table 1 PG_STATIO_USER_TABLES columns

Name

Type

Description

relid

oid

OID of this table

schemaname

name

Name of the schema 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 the index in this table

idx_blks_hit

bigint

Number of cache hits in 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