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From: Andrei Lepikhov <[email protected]>
To: Frédéric Yhuel <[email protected]>
To: Tom Lane <[email protected]>
Cc: [email protected] <[email protected]>
Cc: Jehan-Guillaume de Rorthais <[email protected]>
Cc: Christophe Courtois <[email protected]>
Cc: Laurenz Albe <[email protected]>
Subject: Re: Indexes on expressions with multiple columns and operators
Date: Mon, 13 Oct 2025 16:00:35 +0200
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
References: <[email protected]>
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On 25/9/2025 12:41, Frédéric Yhuel wrote:
> So, on SQL Server, you can do this:
> CREATE STATISTICS FooStats ON foo (ackid, crit) WHERE crit = 'WARNING';
> 
> It would be great to have a similar feature in PostgreSQL.Nice! Thanks for the report. I think the only reason why Postgres 
doesn't have it yet is the computational cost. SQL Server utilises a 
separate background worker to manage this vast amount of statistical 
data. Not sure that Postgres core wants it. Maybe one more contrib 
extension can be a solution?

-- 
regards, Andrei Lepikhov,
pgEdge

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