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From: Tom Lane <tgl@sss.pgh.pa.us>
To: Eric Jiang <eric@doublemap.com>
Cc: Daniel Blanch Bataller <daniel.blanch.bataller@gmail.com>
Cc: pgsql-performance@postgresql.org, Eric Clark <eclark@doublemap.com>
Subject: Re: Querying with multicolumn index
Date: Sat, 10 Dec 2016 19:49:23 -0500
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Eric Jiang <eric@doublemap.com> writes:
> We aren't using any special planner settings - all enable_* options are "on".

No, I'm asking about the cost settings (random_page_cost etc).  The cost
estimates you're showing seem impossible with the default settings.

			regards, tom lane


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