From: Jim Nasby <Jim.Nasby@BlueTreble.com>
To: ankur_adwyze <ankur@adwyze.com>
To: pgsql-performance@postgresql.org
Subject: Re: Advise needed for a join query with a where conditional
Date: Fri, 11 Dec 2015 17:50:24 -0600
Message-ID: <566B6140.9040703@BlueTreble.com> (raw)
In-Reply-To: <1449808702878-5877097.post@n5.nabble.com>
References: <1449808702878-5877097.post@n5.nabble.com>
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On 12/10/15 10:38 PM, ankur_adwyze wrote:
> I have a Rails app with Postgres db. For certain reports, I have to join
> multiple tables. However, certain join queries are dog slow and I am
> wondering if I am missing any index.
My guess is that the planner is coming up with a bad estimate. Please
post the output of EXPLAIN ANALYZE, preferably via
http://explain.depesz.com/
--
Jim Nasby, Data Architect, Blue Treble Consulting, Austin TX
Experts in Analytics, Data Architecture and PostgreSQL
Data in Trouble? Get it in Treble! http://BlueTreble.com
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To: pgsql-performance@postgresql.org
Cc: Jim.Nasby@BlueTreble.com, ankur@adwyze.com
Subject: Re: Advise needed for a join query with a where conditional
In-Reply-To: <566B6140.9040703@BlueTreble.com>
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