Chris Mair <chrisnospam@xxxxxxxx> writes: >> Why you should write a function first and then the trigger, which must >> call that function? > ... there's not just PL/PGSQL: you might want > to define a function in C or Perl and then have a trigger call it. Right, that's the real reason: this approach doesn't constrain which PL you can write your triggers in. regards, tom lane
