Thanks a lot Alban. That was simple!

On Sat, Apr 24, 2010 at 10:15 PM, Alban Hertroys <
dal...@solfertje.student.utwente.nl> wrote:
> > If I remove the braces from (\$1, \$2, \$3) then it gives below error.
> >
> >  my $query = (<<ENDQUERY);
> >   INSERT INTO changelogtest(id, txid, txtime)
> >   SELECT  \$1, \$2, \$3
> >   EXCEPT
> >   SELECT (id, txid, txtime)
> >   FROM changelogtest
> >   WHERE id = \$1
> >   AND txid = \$2
> >   AND txtime = \$3;
> >  ENDQUERY
> >
> > techdb=# SELECT insert_history_info();
> > ERROR:  error from Perl function "insert_history_info": each EXCEPT query
> must have the same number of columns at line 15.
>
> Yes of course, your select lists are different. Try:
> >  my $query = (<<ENDQUERY);
> >   INSERT INTO changelogtest(id, txid, txtime)
> >   SELECT  \$1, \$2, \$3
> >   EXCEPT
> >   SELECT id, txid, txtime
> >   FROM changelogtest
> >   WHERE id = \$1
> >   AND txid = \$2
> >   AND txtime = \$3;
> >  ENDQUERY
>
> Alban Hertroys
>
> --
> If you can't see the forest for the trees,
> cut the trees and you'll see there is no forest.
>
>
> !DSPAM:1050,4bd3201010417204612880!
>
>
>

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