From: "Juan Ramón Cortabitarte" <jcorta@tribctas.gba.gov.ar>
> Error: ERROR: Unrecognized language specified in a CREATE FUNCTION:
> 'plpgsql'. Recognized languages are sql, C, internal and the created
> procedural languages.
>
> I´m using Red Hat Linux 7.0 and Postgress 7.02.
> i executed:
>
> #createlang plpgsql dbhtc
Try doing this as user postgres rather than root - that's why it can't see
PGLIB environment var.
> createlang: missing required argument PGLIB directory
> (This is the directory where the interpreter for the procedural
> language is stored. Traditionally, these are installed in whatever
> 'lib' directory was specified at configure time.)
- Richard Huxton