-- Dirk Mika Software Developer mika:timing GmbH Strundepark - Kürtener Str. 11b 51465 Bergisch Gladbach Germany fon +49 2202 2401-1197 dirk.mika@xxxxxxxxxxxxx www.mikatiming.de AG Köln HRB 47509 * WEEE-Reg.-Nr. DE 90029884 Geschäftsführer: Harald Mika, Jörg Mika > > On 1 Jan 2021, at 16:56, Dirk Mika <Dirk.Mika@xxxxxxxxxxxxx> wrote: > > > > Hi all and a happy new Year! > > > > We have an Oracle schema that is to be converted to PostgreSQL, where conditional predicates are used in some triggers. > > > > In particular, columns are populated with values if they are not specified in the update statement which is used. > > Usually with an expression like this: > > > > IF NOT UPDATING('IS_CANCELED') > > THEN > > :new.is_canceled := ...; > > END IF; > > > > I have not found anything similar in PostgreSQL. What is the common approach to this problem? > Can't you use column defaults to handle these cases? That would work for inserts, but not for updates. BR Dirk