| From: | Matt Miller <mattm(at)epx(dot)com> |
|---|---|
| To: | Nicholas Walker <nick(at)walkerdatanet(dot)com> |
| Cc: | Dennis Bjorklund <db(at)zigo(dot)dhs(dot)org>, Josh Berkus <josh(at)agliodbs(dot)com>, pgsql-hackers(at)postgresql(dot)org, Rod Taylor <pg(at)rbt(dot)ca>, Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org>, Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> |
| Subject: | Re: Call for 7.5 feature completion |
| Date: | 2005-08-26 17:39:26 |
| Message-ID: | 1125077966.3660.38.camel@dbamm01-linux |
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| Thread: | |
| Lists: | pgsql-hackers |
On Fri, 2005-08-26 at 13:13 -0400, Nicholas Walker wrote:
> >You can't use savepoints, you can trap errors which is implemented using
> >savepoints. You still might want to write code like this:
> >
> >BEGIN
> >
> >....
> >
> >SAVEPOINT foo;
> >
> >....
> >
> >IF SOME_ERROR_CODE = 1234 THEN
> > ROLLBACK TO SAVEPOINT foo;
> >END
> >
> >...
> I agree, and I think savepoints would be much more usefull if you could
> call them from pl/pgsql...
Maybe if PL/pgSQL had user-defined exceptions then the language's
identity of savepoints and exception blocks would be a little easier to
work with. Is anything happening with the patch for user-defined
exceptions, posted at
http://archives.postgresql.org/pgsql-patches/2005-06/msg00475.php (and
also discussed elsewhere)?
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