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help / color / mirror / Atom feedFrom: Peter Geoghegan <pg@bowt.ie>
To: pgsql-committers@lists.postgresql.org
Subject: pgsql: Add index scan pgstat test coverage.
Date: Thu, 03 Sep 2026 20:27:30 +0000
Message-ID: <E1x2E1x-00000003MKO-2gxT@gemulon.postgresql.org> (raw)
Add index scan pgstat test coverage.
Add tests that verify the exact values of the idx_tup_read and
idx_tup_fetch counters in pg_stat_all_indexes. There was no existing
coverage of pg_stat_all_indexes, beyond some counter reset tests;
idx_tup_read and idx_tup_fetch had no tests at all.
This is preparation for an upcoming commit that will move index scan
heap fetches behind a new slot-based table AM interface, relocating the
code that maintains these counters.
Author: Peter Geoghegan <pg@bowt.ie>
Reviewed-by: Tomas Vondra <tomas@vondra.me>
Discussion: https://postgr.es/m/CAH2-Wz%3DV0V5WGuo85D-OF%2BTM_CxU3q%3DMMkY-ebY0K8xc-9Xykw%40mail.gmail.com
Branch
------
master
Details
-------
https://git.postgresql.org/pg/commitdiff/83032dc42cab67dfdd33152d08434785977f069f
Modified Files
--------------
src/test/regress/expected/stats.out | 62 +++++++++++++++++++++++++++++++++++++
src/test/regress/sql/stats.sql | 32 +++++++++++++++++++
2 files changed, 94 insertions(+)
Message-ID: <E1x2E1x-00000003MKO-2gxT@gemulon.postgresql.org>
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To: pgsql-committers@postgresql.org
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Subject: Re: pgsql: Add index scan pgstat test coverage.
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