psycopg2.OperationalError: stack depth limit exceeded
HINT:  Increase the configuration parameter "max_stack_depth" (currently 2048kB), after ensuring the platform's stack depth limit is adequate.
CONTEXT:  SQL statement "INSERT INTO submissionslarge(datumtag) VALUES (date(NEW.datum))"
PL/pgSQL function strptime_trigger() line 3 at SQL statement