Re: SLOPE - Planner optimizations on monotonic expressions.

From: Alexandre Felipe <o(dot)alexandre(dot)felipe(at)gmail(dot)com>
To: Zsolt Parragi <zsolt(dot)parragi(at)percona(dot)com>
Cc: pgsql-hackers(at)lists(dot)postgresql(dot)org
Subject: Re: SLOPE - Planner optimizations on monotonic expressions.
Date: 2026-09-23 08:25:52
Message-ID: CAE8JnxPhoSoZN7HVRpd+Y9j883eSp+nCSM5O68e-cic5gc-VCw@mail.gmail.com
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v16.0

The previous version was producing sort in queries such as
SELECT x, f(y) FROM tbl WHERE x = 1 ORDER BY f(y);
Where the order of x is trivial as it is a constant for the query.

Regards,
Alexandre

Attachment Content-Type Size
v16.0-0003-SLOPE-catalog-changes.patch application/octet-stream 94.5 KB
v16.0-0001-benchmark.patch application/octet-stream 4.8 KB
v16.0-0002-Optimized-reverse-pathkeys.patch application/octet-stream 7.1 KB
v16.0-0005-SLOPE-Constant-sort-keys.patch application/octet-stream 11.4 KB
v16.0-0004-SLOPE-Planner-support.patch application/octet-stream 78.6 KB
v16.0-0007-SLOPE-Timezone.patch application/octet-stream 54.0 KB
v16.0-0006-SLOPE-documentation.patch application/octet-stream 8.3 KB
v16.0-0008-SLOPE-timezone-errsave.patch application/octet-stream 12.0 KB
v16.0-0009-SLOPE-plan-cache-guards.patch application/octet-stream 12.9 KB

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