pg_statio_all_tables
A statistics view showing IO statistics for each table
pg_statio_all_tables is a statistics view showing IO statistics for each table in the current database.
pg_statio_all_tables was added in PostgreSQL 7.2.
Definition by PostgreSQL version
pg_statio_all_tables (PostgreSQL 15)
View "pg_catalog.pg_statio_all_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_all_tables
pg_statio_all_tables (PostgreSQL 14)
View "pg_catalog.pg_statio_all_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_all_tables
pg_statio_all_tables (PostgreSQL 13)
View "pg_catalog.pg_statio_all_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_all_tables
pg_statio_all_tables (PostgreSQL 12)
View "pg_catalog.pg_statio_all_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_all_tables
pg_statio_all_tables (PostgreSQL 11)
View "pg_catalog.pg_statio_all_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_all_tables
pg_statio_all_tables (PostgreSQL 10)
View "pg_catalog.pg_statio_all_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_all_tables
pg_statio_all_tables (PostgreSQL 9.6)
View "pg_catalog.pg_statio_all_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_all_tables
pg_statio_all_tables (PostgreSQL 9.5)
View "pg_catalog.pg_statio_all_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_all_tables
pg_statio_all_tables (PostgreSQL 9.4)
View "pg_catalog.pg_statio_all_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_all_tables
pg_statio_all_tables (PostgreSQL 9.3)
View "pg_catalog.pg_statio_all_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_all_tables
pg_statio_all_tables (PostgreSQL 9.2)
View "pg_catalog.pg_statio_all_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_all_tables
pg_statio_all_tables (PostgreSQL 9.1)
View "pg_catalog.pg_statio_all_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_all_tables
pg_statio_all_tables (PostgreSQL 9.0)
View "pg_catalog.pg_statio_all_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_all_tables
pg_statio_all_tables (PostgreSQL 8.4)
View "pg_catalog.pg_statio_all_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 c.oid AS relid, n.nspname AS schemaname, c.relname, pg_stat_get_blocks_fetched(c.oid) - pg_stat_get_blocks_hit(c.oid) AS heap_blks_read, pg_stat_get_blocks_hit(c.oid) AS heap_blks_hit, sum(pg_stat_get_blocks_fetched(i.indexrelid) - pg_stat_get_blocks_hit(i.indexrelid))::bigint AS idx_blks_read, sum(pg_stat_get_blocks_hit(i.indexrelid))::bigint AS idx_blks_hit, pg_stat_get_blocks_fetched(t.oid) - pg_stat_get_blocks_hit(t.oid) AS toast_blks_read, pg_stat_get_blocks_hit(t.oid) AS toast_blks_hit, pg_stat_get_blocks_fetched(x.oid) - pg_stat_get_blocks_hit(x.oid) AS tidx_blks_read, pg_stat_get_blocks_hit(x.oid) AS tidx_blks_hit
FROM pg_class c
LEFT JOIN pg_index i ON c.oid = i.indrelid
LEFT JOIN pg_class t ON c.reltoastrelid = t.oid
LEFT JOIN pg_class x ON t.reltoastidxid = x.oid
LEFT JOIN pg_namespace n ON n.oid = c.relnamespace
WHERE c.relkind = ANY (ARRAY['r'::"char", 't'::"char"])
GROUP BY c.oid, n.nspname, c.relname, t.oid, x.oid;
Documentation: pg_statio_all_tables
pg_statio_all_tables (PostgreSQL 8.3)
View "pg_catalog.pg_statio_all_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 c.oid AS relid, n.nspname AS schemaname, c.relname, pg_stat_get_blocks_fetched(c.oid) - pg_stat_get_blocks_hit(c.oid) AS heap_blks_read, pg_stat_get_blocks_hit(c.oid) AS heap_blks_hit, sum(pg_stat_get_blocks_fetched(i.indexrelid) - pg_stat_get_blocks_hit(i.indexrelid))::bigint AS idx_blks_read, sum(pg_stat_get_blocks_hit(i.indexrelid))::bigint AS idx_blks_hit, pg_stat_get_blocks_fetched(t.oid) - pg_stat_get_blocks_hit(t.oid) AS toast_blks_read, pg_stat_get_blocks_hit(t.oid) AS toast_blks_hit, pg_stat_get_blocks_fetched(x.oid) - pg_stat_get_blocks_hit(x.oid) AS tidx_blks_read, pg_stat_get_blocks_hit(x.oid) AS tidx_blks_hit
FROM pg_class c
LEFT JOIN pg_index i ON c.oid = i.indrelid
LEFT JOIN pg_class t ON c.reltoastrelid = t.oid
LEFT JOIN pg_class x ON t.reltoastidxid = x.oid
LEFT JOIN pg_namespace n ON n.oid = c.relnamespace
WHERE c.relkind = ANY (ARRAY['r'::"char", 't'::"char"])
GROUP BY c.oid, n.nspname, c.relname, t.oid, x.oid;
Documentation: pg_statio_all_tables
pg_statio_all_tables (PostgreSQL 8.2)
View "pg_catalog.pg_statio_all_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 c.oid AS relid, n.nspname AS schemaname, c.relname, pg_stat_get_blocks_fetched(c.oid) - pg_stat_get_blocks_hit(c.oid) AS heap_blks_read, pg_stat_get_blocks_hit(c.oid) AS heap_blks_hit, sum(pg_stat_get_blocks_fetched(i.indexrelid) - pg_stat_get_blocks_hit(i.indexrelid))::bigint AS idx_blks_read, sum(pg_stat_get_blocks_hit(i.indexrelid))::bigint AS idx_blks_hit, pg_stat_get_blocks_fetched(t.oid) - pg_stat_get_blocks_hit(t.oid) AS toast_blks_read, pg_stat_get_blocks_hit(t.oid) AS toast_blks_hit, pg_stat_get_blocks_fetched(x.oid) - pg_stat_get_blocks_hit(x.oid) AS tidx_blks_read, pg_stat_get_blocks_hit(x.oid) AS tidx_blks_hit
FROM pg_class c
LEFT JOIN pg_index i ON c.oid = i.indrelid
LEFT JOIN pg_class t ON c.reltoastrelid = t.oid
LEFT JOIN pg_class x ON t.reltoastidxid = x.oid
LEFT JOIN pg_namespace n ON n.oid = c.relnamespace
WHERE c.relkind = ANY (ARRAY['r'::"char", 't'::"char"])
GROUP BY c.oid, n.nspname, c.relname, t.oid, x.oid;
Documentation: pg_statio_all_tables
Change history
- PostgreSQL 7.2
- added (commit 8d80b0d9)
References
- PostgreSQL documentation: pg_statio_all_tables