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From: Tom Lane <tgl@sss.pgh.pa.us>
To: Eric Jiang <eric@doublemap.com>
cc: pgsql-performance@postgresql.org, Eric Clark <eclark@doublemap.com>
Subject: Re: Querying with multicolumn index
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Comments: In-reply-to Eric Jiang <eric@doublemap.com>
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Date: Fri, 09 Dec 2016 18:51:41 -0500
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Eric Jiang <eric@doublemap.com> writes:
> I have a query that I *think* should use a multicolumn index, but
> sometimes isn't, resulting in slow queries.

I tried to duplicate this behavior, without success.  Are you running
with nondefault planner parameters?

			regards, tom lane


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