Re: Feature request: Optimizer improvement

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От Jim Nasby
Тема Re: Feature request: Optimizer improvement
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Msg-id CB8882C4-C499-4203-B3E2-F6D1B8B915B5@nasby.net
обсуждение исходный текст
Ответ на Re: Feature request: Optimizer improvement  (Kevin Grittner <kgrittn@ymail.com>)
Ответы Re: Feature request: Optimizer improvement  (Atri Sharma <atri.jiit@gmail.com>)
Re: Feature request: Optimizer improvement  (David Johnston <polobo@yahoo.com>)
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On Oct 31, 2013, at 2:57 PM, Kevin Grittner <kgrittn@ymail.com> wrote:
Joe Love <joe@primoweb.com> wrote:

In postgres 9.2 I have a function that is relatively expensive.

What did you specify in the COST clause on the CREATE FUNCTION
statement?

Should that really matter in this case? ISTM we should always handle LIMIT before moving on to the SELECT clause…?

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