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From: Tom Lane <tgl@sss.pgh.pa.us>
To: Marco Colli <collimarco91@gmail.com>
cc: pgsql-performance@lists.postgresql.org
Subject: Re: Statistics on array values
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Comments: In-reply-to Marco Colli <collimarco91@gmail.com>
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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