"Vladimir Terziev" <vlady@school.digsys.bg> writes:
> ERROR: Unrecognized language specified in a CREATE FUNCTION: 'plpgsql'.
> What's going on?
You didn't install plpgsql into your database. It's optional (just
in case a dbadmin doesn't want it available for some reason).
See the createlang script.
regards, tom lane