Wiki / Statistics & Metrics / pg_stat_all_indexes
pg_stat_all_indexes.last_idx_scan
The time of the last scan on this index, based on the most recent transaction stop time
Reading PostgreSQL 18.6.
Description
The time of the last scan on this index, based on the most recent transaction stop time
- View
- pg_stat_all_indexes
- Field
- last_idx_scan
- SQL type
- timestamp with time zone
- Units named in the field definition
- Not specified
- Reset observation
- No stats_reset field is documented for this view
Usage
SELECT last_idx_scan FROM pg_catalog.pg_stat_all_indexes;View semantics
The pg_stat_all_indexes view will contain one row for each index in the current database, showing statistics about accesses to that specific index. The pg_stat_user_indexes and pg_stat_sys_indexes views contain the same information, but filtered to only show user and system indexes respectively.
Collection and reset context
Read the same-version statistics collection and view documentation below for reset scope and visibility. No per-field reset rule is inferred from the field name.
Inspect this field
Example query; no execution result or measured value is asserted.
SELECT last_idx_scan FROM pg_catalog.pg_stat_all_indexes;Related entries
Documentation and source
Source build
- Version
- 18.6
- Build
- https://ftp.postgresql.org/pub/source/v18.6/postgresql-18.6.tar.bz2
- Source fingerprint
555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f
Compare versions
PostgreSQL 15 → 16: added.
--- PostgreSQL 15
+++ PostgreSQL 16
@@ -1 +1,6 @@
-Not recorded in this version
+{
+ "field": "last_idx_scan",
+ "sql_type": "timestamp with time zone",
+ "units_mentioned": [],
+ "view": "pg_stat_all_indexes"
+}Compares recorded interfaces and attributes. Source fingerprints and build metadata are excluded; an absent sample is not proof of the introduction or removal release.
Related entries
Export JSON · Back to Statistics & Metrics · Recorded in PostgreSQL 16 through 20; the first sample is not necessarily its introduction.