Re: Cursors and Transactions, why?

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От Tom Lane
Тема Re: Cursors and Transactions, why?
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Msg-id 4998.1081310975@sss.pgh.pa.us
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Ответ на Re: Cursors and Transactions, why?  (<wespvp@syntegra.com>)
Ответы Re: Cursors and Transactions, why?  (Wes Palmer <Wesley.R.Palmer@syntegra.com>)
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<wespvp@syntegra.com> writes:
> On 4/6/04 3:55 PM, "Tom Lane" <tgl@sss.pgh.pa.us> wrote:
>> In theory at least, that should not be any faster than a WITH HOLD
>> cursor, since you're effectively replicating the same functionality
>> outside the database ...

> Except for the "out of memory" thing...

What "out of memory thing"?  The tuplestore code is perfectly capable of
spilling to disk --- in fact the usual performance gripe against it has
to do with spilling too soon, because sort_mem is set too small.

            regards, tom lane

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