Dnia Fri, 26 Jan 2007 17:24:52 +0000, Luís Sousa napisał(a):
> Hi,
>
> Is it possible to return rows from a function written in plpythonu using
> SETOF?
>
> Example:
> CREATE FUNCTION "test_python_setof"()
> RETURNS SETOF text AS '
> records=plpy.execute("SELECT name FROM interface");
> return records
> ' LANGUAGE 'plpythonu';
>
> With this code is returning the object from the execution:
> <PLyResult object at 0xb703e458>
plpy.execute returns dictionary, and you need a list. You may try this:
CREATE FUNCTION "test_python_setof"()
RETURNS SETOF text AS '
records=plpy.execute("SELECT name FROM interface");
return [ (r["name"]) for r in records]
' LANGUAGE 'plpythonu';
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