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Re: dynamic SQL - possible performance regression in 9.2

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Peter Eisentraut <peter_e(at)gmx(dot)net>
Cc: Heikki Linnakangas <hlinnakangas(at)vmware(dot)com>, Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org>, Dong Ye <yed(at)vmware(dot)com>
Subject: Re: dynamic SQL - possible performance regression in 9.2
Date: 2013-01-03 15:41:45
Message-ID: 16530.1357227705@sss.pgh.pa.us (view raw or flat)
Thread:
Lists: pgsql-hackers
Peter Eisentraut <peter_e(at)gmx(dot)net> writes:
> On 1/1/13 6:48 PM, Tom Lane wrote:
>> Here's a draft patch for that.

> This didn't make a difference in my test case.  I might have to do some
> bisecting to find where the problem was introduced.

Could we see the test case?  Or at least oprofile results for it?

			regards, tom lane


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