Re: Statistics on array values - Mailing list pgsql-performance

From Tom Lane
Subject Re: Statistics on array values
Date
Msg-id 21162.1580668322@sss.pgh.pa.us
Whole thread Raw
In response to Re: Statistics on array values  (Marco Colli <collimarco91@gmail.com>)
Responses Re: Statistics on array values  (Marco Colli <collimarco91@gmail.com>)
List pgsql-performance
Marco Colli <collimarco91@gmail.com> writes:
> Unfortunately I don't get actual improvements. I use PG 11 and I run the
> following commands:
> ALTER TABLE subscriptions ALTER tags SET STATISTICS 1000;
> ANALYZE subscriptions;
> However the bias remains pretty much the same (slightly worse after). Any
> idea?

So what have you got in the pg_stats fields I asked about?
How big is this table anyway (how many rows, how many different tag
values)?

            regards, tom lane



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