jreniz <jreniz@tutopia.com> writes:
> So, when I run this trigger there is a mistake:
> ''there is no operator '=$' for types 'int4' and 'int4'
> (My system is 6.5.3)
This is an old bug. Update to 7.0.3.
It might work to add spaces around the '=' signs in your trigger
function, but an update would be a good idea anyway.
regards, tom lane