From: Tom Lane <tgl@sss.pgh.pa.us>
To: Joe Van Dyk <joe@tanga.com>
Cc: pgsql-performance@postgresql.org <pgsql-performance@postgresql.org>
Subject: Re: querying jsonb for arrays inside a hash
Date: Sat, 07 Nov 2015 19:00:21 -0500
Message-ID: <25341.1446940821@sss.pgh.pa.us> (raw)
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Joe Van Dyk <joe@tanga.com> writes:
> I noticed that querying for
> product_attributes @> '{"upsell":["true"]}'
> is much slower than querying for
> product_attributes @> '{"upsell": 1}'
> Is that expected?
Your EXPLAIN results say that the first query matched 135843 rows and the
second one none at all, so a significant variation in runtime doesn't seem
that surprising to me ...
regards, tom lane
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To: pgsql-performance@postgresql.org
Cc: tgl@sss.pgh.pa.us, joe@tanga.com
Subject: Re: querying jsonb for arrays inside a hash
In-Reply-To: <25341.1446940821@sss.pgh.pa.us>
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