Re: Indexes on expressions with multiple columns and operators

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