pg_statio_sys_tables
A statistics view showing IO statistics for each system table in the current database
pg_statio_sys_tables is a statistics view showing IO statistics for each system table in the current database.
pg_statio_sys_tables was added in PostgreSQL 7.2 (commit 8d80b0d9).
Definition by PostgreSQL version
pg_statio_sys_tables (PostgreSQL 15)
View "pg_catalog.pg_statio_sys_tables"
Column | Type | Collation | Nullable | Default
-----------------+--------+-----------+----------+---------
relid | oid | | |
schemaname | name | | |
relname | name | | |
heap_blks_read | bigint | | |
heap_blks_hit | bigint | | |
idx_blks_read | bigint | | |
idx_blks_hit | bigint | | |
toast_blks_read | bigint | | |
toast_blks_hit | bigint | | |
tidx_blks_read | bigint | | |
tidx_blks_hit | bigint | | |
Documentation: pg_statio_sys_tables
pg_statio_sys_tables (PostgreSQL 14)
View "pg_catalog.pg_statio_sys_tables"
Column | Type | Collation | Nullable | Default
-----------------+--------+-----------+----------+---------
relid | oid | | |
schemaname | name | | |
relname | name | | |
heap_blks_read | bigint | | |
heap_blks_hit | bigint | | |
idx_blks_read | bigint | | |
idx_blks_hit | bigint | | |
toast_blks_read | bigint | | |
toast_blks_hit | bigint | | |
tidx_blks_read | bigint | | |
tidx_blks_hit | bigint | | |
Documentation: pg_statio_sys_tables
pg_statio_sys_tables (PostgreSQL 13)
View "pg_catalog.pg_statio_sys_tables"
Column | Type | Collation | Nullable | Default
-----------------+--------+-----------+----------+---------
relid | oid | | |
schemaname | name | | |
relname | name | | |
heap_blks_read | bigint | | |
heap_blks_hit | bigint | | |
idx_blks_read | bigint | | |
idx_blks_hit | bigint | | |
toast_blks_read | bigint | | |
toast_blks_hit | bigint | | |
tidx_blks_read | bigint | | |
tidx_blks_hit | bigint | | |
Documentation: pg_statio_sys_tables
pg_statio_sys_tables (PostgreSQL 12)
View "pg_catalog.pg_statio_sys_tables"
Column | Type | Collation | Nullable | Default
-----------------+--------+-----------+----------+---------
relid | oid | | |
schemaname | name | | |
relname | name | | |
heap_blks_read | bigint | | |
heap_blks_hit | bigint | | |
idx_blks_read | bigint | | |
idx_blks_hit | bigint | | |
toast_blks_read | bigint | | |
toast_blks_hit | bigint | | |
tidx_blks_read | bigint | | |
tidx_blks_hit | bigint | | |
Documentation: pg_statio_sys_tables
pg_statio_sys_tables (PostgreSQL 11)
View "pg_catalog.pg_statio_sys_tables"
Column | Type | Collation | Nullable | Default
-----------------+--------+-----------+----------+---------
relid | oid | | |
schemaname | name | | |
relname | name | | |
heap_blks_read | bigint | | |
heap_blks_hit | bigint | | |
idx_blks_read | bigint | | |
idx_blks_hit | bigint | | |
toast_blks_read | bigint | | |
toast_blks_hit | bigint | | |
tidx_blks_read | bigint | | |
tidx_blks_hit | bigint | | |
Documentation: pg_statio_sys_tables
pg_statio_sys_tables (PostgreSQL 10)
View "pg_catalog.pg_statio_sys_tables"
Column | Type | Collation | Nullable | Default
-----------------+--------+-----------+----------+---------
relid | oid | | |
schemaname | name | | |
relname | name | | |
heap_blks_read | bigint | | |
heap_blks_hit | bigint | | |
idx_blks_read | bigint | | |
idx_blks_hit | bigint | | |
toast_blks_read | bigint | | |
toast_blks_hit | bigint | | |
tidx_blks_read | bigint | | |
tidx_blks_hit | bigint | | |
Documentation: pg_statio_sys_tables
pg_statio_sys_tables (PostgreSQL 9.6)
View "pg_catalog.pg_statio_sys_tables"
Column | Type | Modifiers
-----------------+--------+-----------
relid | oid |
schemaname | name |
relname | name |
heap_blks_read | bigint |
heap_blks_hit | bigint |
idx_blks_read | bigint |
idx_blks_hit | bigint |
toast_blks_read | bigint |
toast_blks_hit | bigint |
tidx_blks_read | bigint |
tidx_blks_hit | bigint |
Documentation: pg_statio_sys_tables
pg_statio_sys_tables (PostgreSQL 9.5)
View "pg_catalog.pg_statio_sys_tables"
Column | Type | Modifiers
-----------------+--------+-----------
relid | oid |
schemaname | name |
relname | name |
heap_blks_read | bigint |
heap_blks_hit | bigint |
idx_blks_read | bigint |
idx_blks_hit | bigint |
toast_blks_read | bigint |
toast_blks_hit | bigint |
tidx_blks_read | bigint |
tidx_blks_hit | bigint |
Documentation: pg_statio_sys_tables
pg_statio_sys_tables (PostgreSQL 9.4)
View "pg_catalog.pg_statio_sys_tables"
Column | Type | Modifiers
-----------------+--------+-----------
relid | oid |
schemaname | name |
relname | name |
heap_blks_read | bigint |
heap_blks_hit | bigint |
idx_blks_read | bigint |
idx_blks_hit | bigint |
toast_blks_read | bigint |
toast_blks_hit | bigint |
tidx_blks_read | bigint |
tidx_blks_hit | bigint |
Documentation: pg_statio_sys_tables
pg_statio_sys_tables (PostgreSQL 9.3)
View "pg_catalog.pg_statio_sys_tables"
Column | Type | Modifiers
-----------------+--------+-----------
relid | oid |
schemaname | name |
relname | name |
heap_blks_read | bigint |
heap_blks_hit | bigint |
idx_blks_read | bigint |
idx_blks_hit | bigint |
toast_blks_read | bigint |
toast_blks_hit | bigint |
tidx_blks_read | bigint |
tidx_blks_hit | bigint |
Documentation: pg_statio_sys_tables
pg_statio_sys_tables (PostgreSQL 9.2)
View "pg_catalog.pg_statio_sys_tables"
Column | Type | Modifiers
-----------------+--------+-----------
relid | oid |
schemaname | name |
relname | name |
heap_blks_read | bigint |
heap_blks_hit | bigint |
idx_blks_read | bigint |
idx_blks_hit | bigint |
toast_blks_read | bigint |
toast_blks_hit | bigint |
tidx_blks_read | bigint |
tidx_blks_hit | bigint |
Documentation: pg_statio_sys_tables
pg_statio_sys_tables (PostgreSQL 9.1)
View "pg_catalog.pg_statio_sys_tables"
Column | Type | Modifiers
-----------------+--------+-----------
relid | oid |
schemaname | name |
relname | name |
heap_blks_read | bigint |
heap_blks_hit | bigint |
idx_blks_read | bigint |
idx_blks_hit | bigint |
toast_blks_read | bigint |
toast_blks_hit | bigint |
tidx_blks_read | bigint |
tidx_blks_hit | bigint |
Documentation: pg_statio_sys_tables
pg_statio_sys_tables (PostgreSQL 9.0)
View "pg_catalog.pg_statio_sys_tables"
Column | Type | Modifiers
-----------------+--------+-----------
relid | oid |
schemaname | name |
relname | name |
heap_blks_read | bigint |
heap_blks_hit | bigint |
idx_blks_read | bigint |
idx_blks_hit | bigint |
toast_blks_read | bigint |
toast_blks_hit | bigint |
tidx_blks_read | bigint |
tidx_blks_hit | bigint |
Documentation: pg_statio_sys_tables
pg_statio_sys_tables (PostgreSQL 8.4)
View "pg_catalog.pg_statio_sys_tables"
Column | Type | Modifiers
-----------------+--------+-----------
relid | oid |
schemaname | name |
relname | name |
heap_blks_read | bigint |
heap_blks_hit | bigint |
idx_blks_read | bigint |
idx_blks_hit | bigint |
toast_blks_read | bigint |
toast_blks_hit | bigint |
tidx_blks_read | bigint |
tidx_blks_hit | bigint |
View definition:
SELECT pg_statio_all_tables.relid, pg_statio_all_tables.schemaname, pg_statio_all_tables.relname, pg_statio_all_tables.heap_blks_read, pg_statio_all_tables.heap_blks_hit, pg_statio_all_tables.idx_blks_read, pg_statio_all_tables.idx_blks_hit, pg_statio_all_tables.toast_blks_read, pg_statio_all_tables.toast_blks_hit, pg_statio_all_tables.tidx_blks_read, pg_statio_all_tables.tidx_blks_hit
FROM pg_statio_all_tables
WHERE (pg_statio_all_tables.schemaname = ANY (ARRAY['pg_catalog'::name, 'information_schema'::name])) OR pg_statio_all_tables.schemaname ~ '^pg_toast'::text;
Documentation: pg_statio_sys_tables
pg_statio_sys_tables (PostgreSQL 8.3)
View "pg_catalog.pg_statio_sys_tables"
Column | Type | Modifiers
-----------------+--------+-----------
relid | oid |
schemaname | name |
relname | name |
heap_blks_read | bigint |
heap_blks_hit | bigint |
idx_blks_read | bigint |
idx_blks_hit | bigint |
toast_blks_read | bigint |
toast_blks_hit | bigint |
tidx_blks_read | bigint |
tidx_blks_hit | bigint |
View definition:
SELECT pg_statio_all_tables.relid, pg_statio_all_tables.schemaname, pg_statio_all_tables.relname, pg_statio_all_tables.heap_blks_read, pg_statio_all_tables.heap_blks_hit, pg_statio_all_tables.idx_blks_read, pg_statio_all_tables.idx_blks_hit, pg_statio_all_tables.toast_blks_read, pg_statio_all_tables.toast_blks_hit, pg_statio_all_tables.tidx_blks_read, pg_statio_all_tables.tidx_blks_hit
FROM pg_statio_all_tables
WHERE (pg_statio_all_tables.schemaname = ANY (ARRAY['pg_catalog'::name, 'information_schema'::name])) OR pg_statio_all_tables.schemaname ~ '^pg_toast'::text;
Documentation: pg_statio_sys_tables
pg_statio_sys_tables (PostgreSQL 8.2)
View "pg_catalog.pg_statio_sys_tables"
Column | Type | Modifiers
-----------------+--------+-----------
relid | oid |
schemaname | name |
relname | name |
heap_blks_read | bigint |
heap_blks_hit | bigint |
idx_blks_read | bigint |
idx_blks_hit | bigint |
toast_blks_read | bigint |
toast_blks_hit | bigint |
tidx_blks_read | bigint |
tidx_blks_hit | bigint |
View definition:
SELECT pg_statio_all_tables.relid, pg_statio_all_tables.schemaname, pg_statio_all_tables.relname, pg_statio_all_tables.heap_blks_read, pg_statio_all_tables.heap_blks_hit, pg_statio_all_tables.idx_blks_read, pg_statio_all_tables.idx_blks_hit, pg_statio_all_tables.toast_blks_read, pg_statio_all_tables.toast_blks_hit, pg_statio_all_tables.tidx_blks_read, pg_statio_all_tables.tidx_blks_hit
FROM pg_statio_all_tables
WHERE pg_statio_all_tables.schemaname = ANY (ARRAY['pg_catalog'::name, 'pg_toast'::name, 'information_schema'::name]);
Documentation: pg_statio_sys_tables
Change history
- PostgreSQL 7.2
- added (commit 8d80b0d9)
References
- PostgreSQL documentation: pg_statio_sys_tables