| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Robert Haas <robertmhaas(at)gmail(dot)com> |
| Cc: | Tomas Vondra <tomas(dot)vondra(at)2ndquadrant(dot)com>, "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Explanation for bug #13908: hash joins are badly broken |
| Date: | 2016-02-07 17:01:08 |
| Message-ID: | 27914.1454864468@sss.pgh.pa.us |
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| Lists: | pgsql-hackers |
Robert Haas <robertmhaas(at)gmail(dot)com> writes:
> On Sat, Feb 6, 2016 at 12:47 PM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
>> So I'm of the opinion that a great deal more work is needed here.
>> But it's not something we're going to be able to get done for 9.5.1,
>> or realistically 9.5.anything. Whereas adding additional klugery to
>> ExecHashRemoveNextSkewBucket probably is doable over the weekend.
> Tom, are you taking care of this, or should I be getting involved here?
I'm on it, so far as fixing the stop-ship bug is concerned. I was not
volunteering to do the larger rewrite.
regards, tom lane
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