[BUGS] rc4, restore of a db with psql freezes without warning if plpythonu is needed, but is not installed

[Christoph Becker]

I tryed to load a database dumped from version 7.4.3 which has a 
function written in plpython.
The process seems to freeze at a "Create function" when I used psql and 
the text-version of the dump.
After installing plpythonu it works.
psql should print an error-message indicting that plpython (or what pl 
ever is needed) should be installed with creatlang before loading this 
database.

Regards
Christoph Becker


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