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Re: is a special cost for external sort? - Mailing list pgsql-hackers

From Tom Lane
Subject Re: is a special cost for external sort?
Date
Msg-id 5024.1374173583@sss.pgh.pa.us
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In response to is a special cost for external sort?  (Pavel Stehule <pavel.stehule@gmail.com>)
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Pavel Stehule <pavel.stehule@gmail.com> writes:
> I found a slow query with large external sort. I expect, so external
> sort should be penalized. Is it?

See cost_sort() in src/backend/optimizer/path/costsize.c
        regards, tom lane

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