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help / color / mirror / Atom feedFrom: Gunther <[email protected]>
To: [email protected]
Subject: Re: query performance issue
Date: Wed, 15 Nov 2017 14:58:17 -0500
Message-ID: <[email protected]> (raw)
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On 11/15/2017 8:12, Pavel Stehule wrote:
> There is wrong plan due wrong estimation
>
> for this query you should to penalize nested loop
>
> set enable_nestloop to off;
>
> before evaluation of this query
You are not the only one with this issue. May I suggest to look at this
thread a little earlier this month.
http://www.postgresql-archive.org/OLAP-reporting-queries-fall-into-nested-loops-over-seq-scans-or-ot...
where this has been discussed in some length.
regards,
-Gunther
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