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From: David Rowley <[email protected]>
To: Matthew Planchard <[email protected]>
Cc: Ron Johnson <[email protected]>
Cc: pgsql-general <[email protected]>
Subject: Re: Dealing with SeqScans when Time-based Partitions Cut Over
Date: Fri, 19 Dec 2025 09:21:41 +1300
Message-ID: <CAApHDvoszp3fhsJQ759SkpYpJsn8ZcLXB26oR0sxXV-EavWKfQ@mail.gmail.com> (raw)
In-Reply-To: <CAHncFmSsXwmLCKs-ySFWe=gjb=rSaSsVZQV6hJuDczhLixidqA@mail.gmail.com>
References: <[email protected]>
	<CANzqJaAXhYwR6vHzm_DqnxmWk8QCYxEmhs_JeZ+w3F+rx09xSw@mail.gmail.com>
	<CAHncFmSsXwmLCKs-ySFWe=gjb=rSaSsVZQV6hJuDczhLixidqA@mail.gmail.com>

On Fri, 19 Dec 2025 at 08:55, Matthew Planchard <[email protected]> wrote:
> > How about just force seqscan off when the table is created?
> > ALTER TABLE <table_partition> SET (enable_seqscan  = off);
>
> I didn't know this could be set on the table level! Our partitions are
> created by partman, but we have a nightly job that does maintenance
> stuff that could go through and update this setting on future partitions
> before they come into use. I'm always hesitant to mess
> too much with the planner, but this might be the ticket.

You thought correctly. There's no such reloption.

David






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