Re: After Vacuum Analyse - Procedure performance notimproved - Innner select is faster

From: "Anoo Sivadasan Pillai" <aspillai(at)in(dot)rm(dot)com>
To: "Alvaro Herrera" <alvherre(at)commandprompt(dot)com>
Cc: <pgsql-performance(at)postgresql(dot)org>
Subject: Re: After Vacuum Analyse - Procedure performance notimproved - Innner select is faster
Date: 2008-01-09 06:00:33
Message-ID: 772CDA49C515244FA14E34443F62E56403AFC9B8@EX-INDIA1.internal.rmplc.net
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>> Why the procedure is not getting the performance advantage of Vacuum
>> analyse?

>Plan caching by the function, probably. Try disconnecting the session
>and reconnecting to prove the hypothesis.

>If it is a recurring problem for you, you could put the SELECT under
>EXECUTE in the function. But most likely this is just a one-time
>problem.

Is there any way to clear the cached plan manually other than
disconnecting (With the help of some commands/Configuration settings) ?

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