Chris Mair <list@xxxxxxxx> writes: >> http://www.postgresql.org/docs/8.1/interactive/triggers.html >> " It is not currently possible to write a trigger function in the >> plain SQL function language. " > The whole paragraph says. > "It is also possible to write a trigger function in C, although most > people find it easier to use one of the procedural languages. It is not > currently possible to write a trigger function in the plain SQL function > language." And that comes *after* a paragraph talking about the different procedural languages you can write a trigger in. I can't imagine how anyone would come away from reading that with the impression that C is the first recommendation for writing triggers. regards, tom lane