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From: David Rowley <[email protected]>
To: Thierry Henrio <[email protected]>
Cc: [email protected]
Subject: Re: effect on planner of turning a subquery to a table, sql function returning table
Date: Fri, 12 Apr 2024 22:58:22 +1200
Message-ID: <CAApHDvrds5uuAhgQ9YChVOWLY10z88+ovrFN9=162Tw0kEXgrA@mail.gmail.com> (raw)
In-Reply-To: <CAMPYKo0CNfgU64VHtFe0pCP4_H9-bTXQGYKpdZLh8CcdWyGbyw@mail.gmail.com>
References: <CAMPYKo0CNfgU64VHtFe0pCP4_H9-bTXQGYKpdZLh8CcdWyGbyw@mail.gmail.com>

On Fri, 12 Apr 2024 at 22:33, Thierry Henrio <[email protected]> wrote:
> Here is (B) execution plan:

To be able to determine if a plan is good or bad, we'd really need to
see the EXPLAIN (ANALYZE) output rather than just the EXPLAIN ouput.

To save a possible roundtrip;

SET track_io_timing = ON;
EXPLAIN (ANALYZE, BUFFERS) <the query>

David

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