> -----Original Message----- > From: Jeff Davis [mailto:pgsql@xxxxxxxxxxx] > > On Mon, 2012-06-18 at 21:35 +0000, Haszlakiewicz, Eric wrote: > > I'm trying to get some additional information back from a trigger to > > my embedded SQL program, to essentially emulate Informix's way of > generating serial values. > > I can get the serial to be generated, but I'm trying to figure out > how > > to get the generated value back to my program with minimal changes to > the SQL. > > Have you already looked at INSERT...RETURNING? > > http://www.postgresql.org/docs/9.2/static/sql-insert.html Yes, I've started modifying things to use that, but I'd like to avoid doing that so I can share the same code between postgresql and informix builds. > > I can't figure out how to retrieve the message raised by the trigger. > > I know it's available in some cases, because I see the message when I > > insert a row through psql, but even things like this: > > printf("%s\n", PQerrorMessage(ECPGget_PGconn(mydb))); > > > > return nothing useful. Is there a way to get this information? > > Yes, these messages are delivered via notice processing (not to be > confused with LISTEN/NOTIFY): > > http://www.postgresql.org/docs/9.2/static/libpq-notice-processing.html That looks like exactly what I'm looking for, I'll try it out. Thanks! eric -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general
