Re: subquery plan rows = 1, but it's merge joined instead of index lookup

From: Laurenz Albe <laurenz(dot)albe(at)cybertec(dot)at>
To: ilya Basin <basinilya(at)gmail(dot)com>, pgsql-general(at)lists(dot)postgresql(dot)org
Subject: Re: subquery plan rows = 1, but it's merge joined instead of index lookup
Date: 2024-04-11 14:21:38
Message-ID: 1a9f049f436b01ef2ad3ed0e283c50e54be8f4e9.camel@cybertec.at
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On Thu, 2024-04-11 at 15:57 +0300, ilya Basin wrote:
> Is there some complexity limit after which the planner starts acting dumb?

Yes, "join_collapse_limit" and "from_collapse_limit".
You can try increasing them.

Yours,
Laurenz Albe

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