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help / color / mirror / Atom feedFrom: David Rowley <[email protected]>
To: Wong, Kam Fook (TR Technology) <[email protected]>
Cc: [email protected] <[email protected]>
Subject: Re: How to delete column level Stats/Histogram
Date: Fri, 31 May 2024 10:45:24 +1200
Message-ID: <CAApHDvp05Q5jw4zqC9TLQqhdJQ9E6kjs=aYMr4DedONsJDPBCg@mail.gmail.com> (raw)
In-Reply-To: <CH0PR03MB61008E885DA648855B38E273FEF32@CH0PR03MB6100.namprd03.prod.outlook.com>
References: <CH0PR03MB61008E885DA648855B38E273FEF32@CH0PR03MB6100.namprd03.prod.outlook.com>
On Fri, 31 May 2024 at 09:28, Wong, Kam Fook (TR Technology)
<[email protected]> wrote:
> Is there a way to delete a specific column level stats/histogram. The following approach does not work.
>
> alter table abc alter column bg_org_partner set statistics 0;
> analyze abc;
You'd have to:
DELETE FROM pg_statistic WHERE starelid = 'abc'::regclass and
staattnum = (SELECT attnum FROM pg_attribute WHERE attrelid =
'abc'::regclass AND attname = 'bg_org_partner');
to get rid of it.
David
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Subject: Re: How to delete column level Stats/Histogram
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