am 10.11.2005, um 1:45:46 +1100 mailte Alex folgendes: > Hi, > have just a general question... > > I have a table of 10M records, unique key on 5 fields. > I need to update/insert 200k records in one go. > > I could do a select to check for existence and then either insert or > update. > Or simply insert, check on the error code an update if required. Take a look at http://developer.postgresql.org/docs/postgres/plpgsql-control-structures.html#PLPGSQL-ERROR-TRAPPING HTH, Andreas -- Andreas Kretschmer (Kontakt: siehe Header) Heynitz: 035242/47212, D1: 0160/7141639 GnuPG-ID 0x3FFF606C http://wwwkeys.de.pgp.net === Schollglas Unternehmensgruppe === ---------------------------(end of broadcast)--------------------------- TIP 4: Have you searched our list archives? http://archives.postgresql.org