Re: Bug? ExecChooseHashTableSize() got assertion failed with crazy number of rows

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От Tom Lane
Тема Re: Bug? ExecChooseHashTableSize() got assertion failed with crazy number of rows
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Msg-id 576.1439996819@sss.pgh.pa.us
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Ответ на Re: Bug? ExecChooseHashTableSize() got assertion failed with crazy number of rows  (Tom Lane <tgl@sss.pgh.pa.us>)
Ответы Re: Bug? ExecChooseHashTableSize() got assertion failed with crazy number of rows  (Kevin Grittner <kgrittn@ymail.com>)
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I wrote:
> I don't think it's anywhere near as clear as you think.

Ah, scratch that --- I was looking at the wrong my_log2() call.
-ENOCAFFEINE.

I'm still doubtful that this is the only overflow risk in that new
ExecChooseHashTableSize code, though.  For instance, the only reason the
line immediately above this one isn't broken is that NTUP_PER_BUCKET is 1
... but surely we shouldn't be coding on that assumption.
        regards, tom lane

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