Re: Statistics import and export: difference in statistics of materialized view dumped

From: Jeff Davis <pgsql(at)j-davis(dot)com>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: Ashutosh Bapat <ashutosh(dot)bapat(dot)oss(at)gmail(dot)com>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>, Corey Huinker <corey(dot)huinker(at)gmail(dot)com>
Subject: Re: Statistics import and export: difference in statistics of materialized view dumped
Date: 2025-03-11 22:38:34
Message-ID: 1a83225688da8a72a97029f69a222246638014ba.camel@j-davis.com
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On Tue, 2025-03-11 at 11:26 -0400, Tom Lane wrote:
> Right, that was what I was thinking, but hadn't had time to look in
> detail.  The postDataBound dependency isn't real helpful here, we
> could lose that if we had the data dependency.

Attached a patch.

It's a bit messier than I expected, so I'm open to other suggestions.
The reason is because materialized view data is also pushed to
RESTORE_PASS_POST_ACL, so we need to do the same for the statistics
(otherwise the dependency is just ignored).

Regards,
Jeff Davis

Attachment Content-Type Size
v1-0001-Make-MV-statistics-depend-on-MV-data.patch text/x-patch 13.2 KB

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