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Add stats_reset to pg_stat_all_{tables,indexes} and related views

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It is possible to call pg_stat_reset_single_table_counters() on a
relation (index or table) but the reset time was missing from the system
views showing their statistics.

This commit adds the reset time as an attribute of pg_stat_all_tables,
pg_stat_all_indexes, and other relations related to them.

Bump catalog version.
Bump PGSTAT_FILE_FORMAT_ID, as a result of the new field added to
PgStat_StatTabEntry.

Author: Bertrand Drouvot <bertranddrouvot.pg@gmail.com>
Reviewed-by: Sami Imseih <samimseih@gmail.com>
Reviewed-by: Michael Paquier <michael@paquier.xyz>
Discussion: https://postgr.es/m/aN8l182jKxEq1h9f@paquier.xyz
This commit is contained in:
Michael Paquier
2025-10-06 15:31:21 +09:00
parent c173aaff98
commit a5b543258a
12 changed files with 117 additions and 33 deletions
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36
doc/src/sgml/monitoring.sgml
View File

@@ -4115,6 +4115,15 @@ description | Waiting for a newly initialized WAL file to reach durable storage
cost-based delays.)
</para></entry>
</row>
<row>
<entry role="catalog_table_entry"><para role="column_definition">
<structfield>stats_reset</structfield> <type>timestamp with time zone</type>
</para>
<para>
Time at which these statistics were last reset
</para></entry>
</row>
</tbody>
</tgroup>
</table>
@@ -4235,6 +4244,15 @@ description | Waiting for a newly initialized WAL file to reach durable storage
index
</para></entry>
</row>
<row>
<entry role="catalog_table_entry"><para role="column_definition">
<structfield>stats_reset</structfield> <type>timestamp with time zone</type>
</para>
<para>
Time at which these statistics were last reset
</para></entry>
</row>
</tbody>
</tgroup>
</table>
@@ -4432,6 +4450,15 @@ description | Waiting for a newly initialized WAL file to reach durable storage
Number of buffer hits in this table's TOAST table indexes (if any)
</para></entry>
</row>
<row>
<entry role="catalog_table_entry"><para role="column_definition">
<structfield>stats_reset</structfield> <type>timestamp with time zone</type>
</para>
<para>
Time at which these statistics were last reset
</para></entry>
</row>
</tbody>
</tgroup>
</table>
@@ -4532,6 +4559,15 @@ description | Waiting for a newly initialized WAL file to reach durable storage
Number of buffer hits in this index
</para></entry>
</row>
<row>
<entry role="catalog_table_entry"><para role="column_definition">
<structfield>stats_reset</structfield> <type>timestamp with time zone</type>
</para>
<para>
Time at which these statistics were last reset
</para></entry>
</row>
</tbody>
</tgroup>
</table>