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

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От Bruce Momjian
Тема Re: [HACKERS] CREATE TEMP TABLE .... ON COMMIT
Дата
Msg-id 200208272124.g7RLO1L20172@candle.pha.pa.us
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Ответ на Re: [HACKERS] CREATE TEMP TABLE .... ON COMMIT  (Gavin Sherry <swm@linuxworld.com.au>)
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Your patch has been added to the PostgreSQL unapplied patches list at:

    http://candle.pha.pa.us/cgi-bin/pgpatches

I will try to apply it within the next 48 hours.

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


Gavin Sherry wrote:
> Revised patch is attached.
>
> Passes all regression tests relating to temp tables. (I am getting
> regression test issues with privileges.sql, rules.sql, conversion.sql).
>
> Gavin
>
> On Tue, 27 Aug 2002, Bruce Momjian wrote:
>
> >
> > Gavin, how are you doing with this.  As I remember, the only remaining
> > issue was where to store the 'drop on commit' information in the
> > backend.  If that is all there is, we can come up with a solution.
> >
> > ---------------------------------------------------------------------------
> >
> > Gavin Sherry wrote:
> > > On Fri, 9 Aug 2002, Tom Lane wrote:
> > >
> > > > Gavin Sherry <swm@linuxworld.com.au> writes:
> > > > > template1=# create temp table a (a int) on commit drop;
> > > > > ERROR:  You must be inside a transaction to use ON COMMIT
> > > >
> > > > Surely that's only for ON COMMIT DROP, if you intend to offer the
> > > > others?
> > >
> > > I should have provided details of this in the email. SQL99 details the
> > > baviour as follows:
> > >
> > > If TEMPORARY is specified and ON COMMIT is omitted, then ON COMMIT
> > > DELETE ROWS is implicit
> > >
> > > This might give users a bit of a surprise so the effective behaviour is ON
> > > COMMIT PRESERVE ROWS.
> > >
> > > 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.
> > >
> > > >
> > > >             regards, tom lane
> > > >
> > >
> > > Gavin
> > >
> > >
> > > ---------------------------(end of broadcast)---------------------------
> > > TIP 5: Have you checked our extensive FAQ?
> > >
> > > http://www.postgresql.org/users-lounge/docs/faq.html
> > >
> >
> >

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--
  Bruce Momjian                        |  http://candle.pha.pa.us
  pgman@candle.pha.pa.us               |  (610) 359-1001
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