pg_statio_user_tables 是一个统计视图,用于显示当前数据库中每个用户表的 I/O 统计信息。
pg_statio_user_tables 在 PostgreSQL 7.2 中添加(提交 8d80b0d9)。
按 PostgreSQL 版本定义
pg_statio_user_tables (PostgreSQL 19)
View "pg_catalog.pg_statio_user_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 | | |
pg_statio_user_tables (PostgreSQL 18)
View "pg_catalog.pg_statio_user_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 | | |
pg_statio_user_tables (PostgreSQL 17)
View "pg_catalog.pg_statio_user_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 | | |
pg_statio_user_tables (PostgreSQL 16)
View "pg_catalog.pg_statio_user_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 | | |
pg_statio_user_tables (PostgreSQL 15)
View "pg_catalog.pg_statio_user_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 | | |
pg_statio_user_tables (PostgreSQL 14)
View "pg_catalog.pg_statio_user_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 | | |
pg_statio_user_tables (PostgreSQL 13)
View "pg_catalog.pg_statio_user_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 | | |
pg_statio_user_tables (PostgreSQL 12)
View "pg_catalog.pg_statio_user_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 | | |
pg_statio_user_tables (PostgreSQL 11)
View "pg_catalog.pg_statio_user_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 | | |
pg_statio_user_tables (PostgreSQL 10)
View "pg_catalog.pg_statio_user_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 | | |
pg_statio_user_tables (PostgreSQL 9.6)
View "pg_catalog.pg_statio_user_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 |
pg_statio_user_tables (PostgreSQL 9.5)
View "pg_catalog.pg_statio_user_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 |
pg_statio_user_tables (PostgreSQL 9.4)
View "pg_catalog.pg_statio_user_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 |
pg_statio_user_tables (PostgreSQL 9.3)
View "pg_catalog.pg_statio_user_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 |
pg_statio_user_tables (PostgreSQL 9.2)
View "pg_catalog.pg_statio_user_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 |
pg_statio_user_tables (PostgreSQL 9.1)
View "pg_catalog.pg_statio_user_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 |
pg_statio_user_tables (PostgreSQL 9.0)
View "pg_catalog.pg_statio_user_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 |
pg_statio_user_tables (PostgreSQL 8.4)
View "pg_catalog.pg_statio_user_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 <> ALL (ARRAY['pg_catalog'::name, 'information_schema'::name])) AND pg_statio_all_tables.schemaname !~ '^pg_toast'::text;
pg_statio_user_tables (PostgreSQL 8.3)
View "pg_catalog.pg_statio_user_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 <> ALL (ARRAY['pg_catalog'::name, 'information_schema'::name])) AND pg_statio_all_tables.schemaname !~ '^pg_toast'::text;
pg_statio_user_tables (PostgreSQL 8.2)
View "pg_catalog.pg_statio_user_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 <> ALL (ARRAY['pg_catalog'::name, 'pg_toast'::name, 'information_schema'::name]);
变更历史
- PostgreSQL 19
- 添加了列
stats_reset(提交 a5b54325)
- 添加了列
- PostgreSQL 7.2
- 添加 (提交 8d80b0d9)
参考资料
- PostgreSQL 文档: pg_statio_user_tables
