Re: list rewrite committed

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От Greg Stark
Тема Re: list rewrite committed
Дата
Msg-id 877juwd6qx.fsf@stark.xeocode.com
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Ответ на Re: list rewrite committed  (Tom Lane <tgl@sss.pgh.pa.us>)
Ответы Re: list rewrite committed
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Tom Lane <tgl@sss.pgh.pa.us> writes:

> For instance, here
> http://archives.postgresql.org/pgsql-hackers/2004-03/msg00696.php are some
> profiles documenting a case where nearly 40% of the runtime goes into
> lappend's in 7.4. I haven't had time to repeat the test case but I'd think
> that time is near-zero in CVS tip.

Of course now ExecEvalExpr's share of runtime in that test is probably up to
28-35% in those tests. Or did you get to doing the things you proposed with
making it a macro?

-- 
greg




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