Re: Non-standard feature request

Gavin, I will need a doc patch for this too.  Thanks.

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Gavin Sherry wrote:
> Slight bug in the previous patch. Logically (and according to SQL99's
> treatment of ON COMMIT), it can be specified only for CREATE TEMP
> TABLE. The patch throws an error if only CREATE TABLE has been specified.
>
> Gavin
>
> On Fri, 28 Jun 2002, Gavin Sherry wrote:
>
> > On Fri, 14 Jun 2002, Gavin Sherry wrote:
> >
> > > On Thu, 13 Jun 2002, Mike Mascari wrote:
> > >
> > > >
> > > > CREATE TEMPORARY TABLE
> > > > ...
> > > > ON COMMIT DROP;
> > > >
> > > > pseudo-compatible with the SQL-standard of:
> > > >
> > > > ON COMMIT { DELETE | PRESERVE } ROWS;
> > > >
> > > > so one day PostgreSQL's grammar would look like:
> > > >
> > > > ...
> > > > ON COMMIT { DROP | { DELETE | PRESERVE } ROWS };
> > >
> > > I think this is a pretty useful feature. Shouldn't require too much
> > > work. A new relkind or a bool in TempTable and a little code in
> > > AtEOXact_temp_relations() to heap_drop_with_catalog() the registered temp
> > > table.
> > >
> > > Anyone else keen for this feature?
> >
> > Attached is a patch implementing this. The patch is against 7.2.1
> > source. The grammar introduced is of the form:
> >
> >     CREATE TEMP TABLE ... ON COMMIT DROP;
> >
> > Is this a desirable feature? Seems pretty useful to me.
> >
> > Gavin
> >
> >

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