pg_statio_user_indexes 是一个 统计视图,显示当前数据库中每个用户索引的 IO 统计信息。
pg_statio_user_indexes 是在 PostgreSQL 7.2 中添加的。
按 PostgreSQL 版本定义
pg_statio_user_indexes (PostgreSQL 19)
View "pg_catalog.pg_statio_user_indexes"
Column | Type | Collation | Nullable | Default
---------------+--------+-----------+----------+---------
relid | oid | | |
indexrelid | oid | | |
schemaname | name | | |
relname | name | | |
indexrelname | name | | |
idx_blks_read | bigint | | |
idx_blks_hit | bigint | | |
pg_statio_user_indexes (PostgreSQL 18)
View "pg_catalog.pg_statio_user_indexes"
Column | Type | Collation | Nullable | Default
---------------+--------+-----------+----------+---------
relid | oid | | |
indexrelid | oid | | |
schemaname | name | | |
relname | name | | |
indexrelname | name | | |
idx_blks_read | bigint | | |
idx_blks_hit | bigint | | |
pg_statio_user_indexes (PostgreSQL 17)
View "pg_catalog.pg_statio_user_indexes"
Column | Type | Collation | Nullable | Default
---------------+--------+-----------+----------+---------
relid | oid | | |
indexrelid | oid | | |
schemaname | name | | |
relname | name | | |
indexrelname | name | | |
idx_blks_read | bigint | | |
idx_blks_hit | bigint | | |
pg_statio_user_indexes (PostgreSQL 16)
View "pg_catalog.pg_statio_user_indexes"
Column | Type | Collation | Nullable | Default
---------------+--------+-----------+----------+---------
relid | oid | | |
indexrelid | oid | | |
schemaname | name | | |
relname | name | | |
indexrelname | name | | |
idx_blks_read | bigint | | |
idx_blks_hit | bigint | | |
pg_statio_user_indexes (PostgreSQL 15)
View "pg_catalog.pg_statio_user_indexes"
Column | Type | Collation | Nullable | Default
---------------+--------+-----------+----------+---------
relid | oid | | |
indexrelid | oid | | |
schemaname | name | | |
relname | name | | |
indexrelname | name | | |
idx_blks_read | bigint | | |
idx_blks_hit | bigint | | |
pg_statio_user_indexes (PostgreSQL 14)
View "pg_catalog.pg_statio_user_indexes"
Column | Type | Collation | Nullable | Default
---------------+--------+-----------+----------+---------
relid | oid | | |
indexrelid | oid | | |
schemaname | name | | |
relname | name | | |
indexrelname | name | | |
idx_blks_read | bigint | | |
idx_blks_hit | bigint | | |
pg_statio_user_indexes (PostgreSQL 13)
View "pg_catalog.pg_statio_user_indexes"
Column | Type | Collation | Nullable | Default
---------------+--------+-----------+----------+---------
relid | oid | | |
indexrelid | oid | | |
schemaname | name | | |
relname | name | | |
indexrelname | name | | |
idx_blks_read | bigint | | |
idx_blks_hit | bigint | | |
pg_statio_user_indexes (PostgreSQL 12)
View "pg_catalog.pg_statio_user_indexes"
Column | Type | Collation | Nullable | Default
---------------+--------+-----------+----------+---------
relid | oid | | |
indexrelid | oid | | |
schemaname | name | | |
relname | name | | |
indexrelname | name | | |
idx_blks_read | bigint | | |
idx_blks_hit | bigint | | |
pg_statio_user_indexes (PostgreSQL 11)
View "pg_catalog.pg_statio_user_indexes"
Column | Type | Collation | Nullable | Default
---------------+--------+-----------+----------+---------
relid | oid | | |
indexrelid | oid | | |
schemaname | name | | |
relname | name | | |
indexrelname | name | | |
idx_blks_read | bigint | | |
idx_blks_hit | bigint | | |
pg_statio_user_indexes (PostgreSQL 10)
View "pg_catalog.pg_statio_user_indexes"
Column | Type | Collation | Nullable | Default
---------------+--------+-----------+----------+---------
relid | oid | | |
indexrelid | oid | | |
schemaname | name | | |
relname | name | | |
indexrelname | name | | |
idx_blks_read | bigint | | |
idx_blks_hit | bigint | | |
pg_statio_user_indexes (PostgreSQL 9.6)
View "pg_catalog.pg_statio_user_indexes"
Column | Type | Modifiers
---------------+--------+-----------
relid | oid |
indexrelid | oid |
schemaname | name |
relname | name |
indexrelname | name |
idx_blks_read | bigint |
idx_blks_hit | bigint |
pg_statio_user_indexes (PostgreSQL 9.5)
View "pg_catalog.pg_statio_user_indexes"
Column | Type | Modifiers
---------------+--------+-----------
relid | oid |
indexrelid | oid |
schemaname | name |
relname | name |
indexrelname | name |
idx_blks_read | bigint |
idx_blks_hit | bigint |
pg_statio_user_indexes (PostgreSQL 9.4)
View "pg_catalog.pg_statio_user_indexes"
Column | Type | Modifiers
---------------+--------+-----------
relid | oid |
indexrelid | oid |
schemaname | name |
relname | name |
indexrelname | name |
idx_blks_read | bigint |
idx_blks_hit | bigint |
pg_statio_user_indexes (PostgreSQL 9.3)
View "pg_catalog.pg_statio_user_indexes"
Column | Type | Modifiers
---------------+--------+-----------
relid | oid |
indexrelid | oid |
schemaname | name |
relname | name |
indexrelname | name |
idx_blks_read | bigint |
idx_blks_hit | bigint |
pg_statio_user_indexes (PostgreSQL 9.2)
View "pg_catalog.pg_statio_user_indexes"
Column | Type | Modifiers
---------------+--------+-----------
relid | oid |
indexrelid | oid |
schemaname | name |
relname | name |
indexrelname | name |
idx_blks_read | bigint |
idx_blks_hit | bigint |
pg_statio_user_indexes (PostgreSQL 9.1)
View "pg_catalog.pg_statio_user_indexes"
Column | Type | Modifiers
---------------+--------+-----------
relid | oid |
indexrelid | oid |
schemaname | name |
relname | name |
indexrelname | name |
idx_blks_read | bigint |
idx_blks_hit | bigint |
pg_statio_user_indexes (PostgreSQL 9.0)
View "pg_catalog.pg_statio_user_indexes"
Column | Type | Modifiers
---------------+--------+-----------
relid | oid |
indexrelid | oid |
schemaname | name |
relname | name |
indexrelname | name |
idx_blks_read | bigint |
idx_blks_hit | bigint |
pg_statio_user_indexes (PostgreSQL 8.4)
View "pg_catalog.pg_statio_user_indexes"
Column | Type | Modifiers
---------------+--------+-----------
relid | oid |
indexrelid | oid |
schemaname | name |
relname | name |
indexrelname | name |
idx_blks_read | bigint |
idx_blks_hit | bigint |
View definition:
SELECT pg_statio_all_indexes.relid, pg_statio_all_indexes.indexrelid, pg_statio_all_indexes.schemaname, pg_statio_all_indexes.relname, pg_statio_all_indexes.indexrelname, pg_statio_all_indexes.idx_blks_read, pg_statio_all_indexes.idx_blks_hit
FROM pg_statio_all_indexes
WHERE (pg_statio_all_indexes.schemaname <> ALL (ARRAY['pg_catalog'::name, 'information_schema'::name])) AND pg_statio_all_indexes.schemaname !~ '^pg_toast'::text;
pg_statio_user_indexes (PostgreSQL 8.3)
View "pg_catalog.pg_statio_user_indexes"
Column | Type | Modifiers
---------------+--------+-----------
relid | oid |
indexrelid | oid |
schemaname | name |
relname | name |
indexrelname | name |
idx_blks_read | bigint |
idx_blks_hit | bigint |
View definition:
SELECT pg_statio_all_indexes.relid, pg_statio_all_indexes.indexrelid, pg_statio_all_indexes.schemaname, pg_statio_all_indexes.relname, pg_statio_all_indexes.indexrelname, pg_statio_all_indexes.idx_blks_read, pg_statio_all_indexes.idx_blks_hit
FROM pg_statio_all_indexes
WHERE (pg_statio_all_indexes.schemaname <> ALL (ARRAY['pg_catalog'::name, 'information_schema'::name])) AND pg_statio_all_indexes.schemaname !~ '^pg_toast'::text;
pg_statio_user_indexes (PostgreSQL 8.2)
View "pg_catalog.pg_statio_user_indexes"
Column | Type | Modifiers
---------------+--------+-----------
relid | oid |
indexrelid | oid |
schemaname | name |
relname | name |
indexrelname | name |
idx_blks_read | bigint |
idx_blks_hit | bigint |
View definition:
SELECT pg_statio_all_indexes.relid, pg_statio_all_indexes.indexrelid, pg_statio_all_indexes.schemaname, pg_statio_all_indexes.relname, pg_statio_all_indexes.indexrelname, pg_statio_all_indexes.idx_blks_read, pg_statio_all_indexes.idx_blks_hit
FROM pg_statio_all_indexes
WHERE pg_statio_all_indexes.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)
示例
pg_statio_user_indexes 记录的示例内容
app=> SELECT * FROM pg_statio_user_indexes LIMIT 1\gx -[ RECORD 1 ]-+--------------------------------- relid | 16791 indexrelid | 17306 schemaname | app relname | category_language indexrelname | category_language_cat_id_lang_id idx_blks_read | 16 idx_blks_hit | 2341576
参考资料
- PostgreSQL 文档: pg_statio_user_indexes
分类
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