Re: [HACKERS] path toward faster partition pruning

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От David Rowley
Тема Re: [HACKERS] path toward faster partition pruning
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Msg-id CAKJS1f9cAEGAhh1BTw4oM2k4qmrT+Y7jJj6vgeArxGYuF1cOpw@mail.gmail.com
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Ответ на Re: [HACKERS] path toward faster partition pruning  (Tom Lane <tgl@sss.pgh.pa.us>)
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On 7 April 2018 at 15:41, Tom Lane <tgl@sss.pgh.pa.us> wrote:
> I'm also wondering how come we had hash partitioning before and
> did not have this sort of problem.  Is it just that we added a
> new test that's more sensitive to the details of the hashing
> (if so, could it be made less so)?  Or is there actually more
> platform dependence now than before (and if so, why is that)?

We didn't prune HASH partitions before today. They were just all returned.


-- 
 David Rowley                   http://www.2ndQuadrant.com/
 PostgreSQL Development, 24x7 Support, Training & Services


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