pg_statio_user_indexes
A statistics view showing IO statistics for each user index
pg_statio_user_indexes is a statistics view showing IO statistics for each user index in the current database.
pg_statio_user_indexes was added in PostgreSQL 7.2.
Definition by PostgreSQL version
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 | | |
Documentation: pg_statio_user_indexes
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 | | |
Documentation: pg_statio_user_indexes
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 | | |
Documentation: pg_statio_user_indexes
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 | | |
Documentation: pg_statio_user_indexes
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 | | |
Documentation: pg_statio_user_indexes
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 | | |
Documentation: pg_statio_user_indexes
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 | | |
Documentation: pg_statio_user_indexes
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 |
Documentation: pg_statio_user_indexes
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 |
Documentation: pg_statio_user_indexes
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 |
Documentation: pg_statio_user_indexes
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 |
Documentation: pg_statio_user_indexes
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 |
Documentation: pg_statio_user_indexes
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 |
Documentation: pg_statio_user_indexes
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 |
Documentation: pg_statio_user_indexes
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;
Documentation: pg_statio_user_indexes
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;
Documentation: pg_statio_user_indexes
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]);
Documentation: pg_statio_user_indexes
Change history
- PostgreSQL 7.2
- added (commit 8d80b0d9)
Examples
Sample contents of a pg_statio_user_indexes record:
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
References
- PostgreSQL documentation: pg_statio_user_indexes