Re: Boosting cost estimates for some built-in functions

From: Simon Riggs <simon(at)2ndQuadrant(dot)com>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: pgsql-hackers(at)postgreSQL(dot)org
Subject: Re: Boosting cost estimates for some built-in functions
Date: 2009-10-18 19:38:38
Message-ID: 1255894718.30088.10823.camel@ebony
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On Sun, 2009-10-18 at 14:50 -0400, Tom Lane wrote:

> I'd like to suggest boosting the built-in cost estimates for the
> xxx_has_privilege functions to perhaps 10. to_tsquery and to_tsvector
> maybe should be boosted even higher, but I don't have a good specific
> number in mind.

ISTM we should set up a test that measures the cost, of those and other
functions.

--
Simon Riggs www.2ndQuadrant.com

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