Re: Showing primitive index scan count in EXPLAIN ANALYZE (for skip scan and SAOP scans)

From: Peter Geoghegan <pg(at)bowt(dot)ie>
To: Alena Rybakina <a(dot)rybakina(at)postgrespro(dot)ru>
Cc: PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>
Subject: Re: Showing primitive index scan count in EXPLAIN ANALYZE (for skip scan and SAOP scans)
Date: 2024-12-11 19:41:47
Message-ID: CAH2-WznqY3riCb9upatL7eLQ93EQK-o_kfAfsT64ragPnyzTZw@mail.gmail.com
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On Sat, Nov 9, 2024 at 1:46 PM Peter Geoghegan <pg(at)bowt(dot)ie> wrote:
> On Sat, Nov 9, 2024 at 12:37 PM Alena Rybakina
> <a(dot)rybakina(at)postgrespro(dot)ru> wrote:
> > I noticed that the "Index Searches" cases shown in the regression tests are only for partitioned tables, maybe something you should add some tests for regular tables like tenk1.
>
> I allowed the patch on this thread to bitrot, but I've been
> maintaining this same patch as part of the skip scan patchset.
> Attached is the latest version of this patch (technically this is the
> first patch in the skip scan patch series). Just to keep things
> passing on the CFTester app.

Attached revision just fixes bitrot.

The patch stopped applying against HEAD cleanly due to recent work
that made EXPLAIN ANALYZE show buffers output by default.

--
Peter Geoghegan

Attachment Content-Type Size
v19-0001-Show-index-search-count-in-EXPLAIN-ANALYZE.patch application/octet-stream 52.8 KB

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