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Re: performance regression with 9.2 - Mailing list pgsql-performance

From Tom Lane
Subject Re: performance regression with 9.2
Date
Msg-id 5518.1352753033@sss.pgh.pa.us
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In response to performance regression with 9.2  (Dave Cramer <pg@fastcrypt.com>)
Responses Re: performance regression with 9.2
Re: performance regression with 9.2
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Dave Cramer <pg@fastcrypt.com> writes:
> This query is a couple orders of magnitude slower the first result is
> 9.2.1, the second 9.1

Hm, the planner's evidently doing the wrong thing inside the recursive
union, but not obvious why.  Can you extract a self-contained test case?

            regards, tom lane

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