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From: Laurenz Albe <[email protected]>
To: richard coleman <[email protected]>
Cc: Pgsql-admin <[email protected]>
Subject: Re: analyze foreign tables
Date: Tue, 01 Aug 2023 21:15:23 +0200
Message-ID: <[email protected]> (raw)
In-Reply-To: <CAGA3vBspwtKvaFBXT4c78cdW+mgfXJ68MSDL3TiVdMxpZPp_VA@mail.gmail.com>
References: <CAGA3vBt726ha1P91DrSOF8oc57X27tLO8o9Wi9oDN5L3qqRi7Q@mail.gmail.com>
	<[email protected]>
	<CAGA3vBspwtKvaFBXT4c78cdW+mgfXJ68MSDL3TiVdMxpZPp_VA@mail.gmail.com>

On Tue, 2023-08-01 at 12:36 -0400, richard coleman wrote:
> Would it be possible to transfer table statistics between the same version
> of PostgreSQL, ex: source is pg15, target is pg15?

There is no support for that.

If you know what you are doing, you might be able to mess with the catalog tables,
but you would probably need server C code for that, since you cannot normally
write to an "anyarray".

I wouldn't recommend to go that way.

> Otherwise, anything that can be done to speed this up would be very helpful.

Run the ANALYZE in many parallel sessions.  I cannot think of anything smarter.

Yours,
Laurenz Albe

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