Re: [HACKERS] CREATE TEMP TABLE .... ON COMMIT

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От Bruce Momjian
Тема Re: [HACKERS] CREATE TEMP TABLE .... ON COMMIT
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Msg-id 200208140523.g7E5NUe01345@candle.pha.pa.us
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Ответ на Re: [HACKERS] CREATE TEMP TABLE .... ON COMMIT  (Tom Lane <tgl@sss.pgh.pa.us>)
Ответы Re: [HACKERS] CREATE TEMP TABLE .... ON COMMIT  (Gavin Sherry <swm@linuxworld.com.au>)
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Gavin, was this addressed?

---------------------------------------------------------------------------

Tom Lane wrote:
> Gavin Sherry <swm@linuxworld.com.au> writes:
> > As for your question (and, perhaps, SQL99) I don't seen how it makes any
> > sense to specify ON COMMIT outside of a transaction block.
>
> Surely it does.
>
>     CREATE TEMP TABLE foo(...) ON COMMIT DELETE ROWS;
>
>     BEGIN;
>     insert some rows in foo;
>     process rows in foo;
>     COMMIT;     -- foo is now empty again
>
>     BEGIN;
>     insert some rows in foo;
>     process rows in foo;
>     COMMIT;     -- foo is now empty again
>
>     repeat until application quit...
>
> What am I missing?
>
>             regards, tom lane
>
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