"Tiziano Tissino" <t(dot)tissino(at)itaca(dot)coopsoc(dot)it> writes:
> I have a function like the following one:
> CREATE OR REPLACE FUNCTION public.test() RETURNS int4 AS $BODY$
> from os import chdir
> chdir('/tmp')
> test=plpy.execute('SELECT int_field FROM table1;')[0]['int_field']
> return test
> $BODY$ LANGUAGE 'plpythonu' VOLATILE;
chdir is a great way to break your database. Don't do it.
Other things to avoid in plpythonu functions include: rm -rf,
kill -9 the postmaster, etc ...
regards, tom lane