pl/pythonu

Dear All,

Could anyone explain why this function does will not work? The error message
is
DETAIL: exceptions.RuntimeError: maximum recursion depth exceeded.

CREATE FUNCTION testing() RETURNS trigger AS'

plan=plpy.prepare(''INSERT INTO t1 values ($1)'',[''text''])
plpy.execute(plan,[''blah''])
return ''MODIFY''

'LANGUAGE plpythonu;

Thanks

Colin

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