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--
-- Tests for functions that return void
--
CREATE FUNCTION test_void_func1() RETURNS void AS $$
x = 10
$$ LANGUAGE plpython3u;
-- illegal: can't return non-None value in void-returning func
CREATE FUNCTION test_void_func2() RETURNS void AS $$
return 10
$$ LANGUAGE plpython3u;
CREATE FUNCTION test_return_none() RETURNS int AS $$
None
$$ LANGUAGE plpython3u;
-- Tests for functions returning void
SELECT test_void_func1(), test_void_func1() IS NULL AS "is null";
test_void_func1 | is null
-----------------+---------
| f
(1 row)
SELECT test_void_func2(); -- should fail
ERROR: PL/Python function with return type "void" did not return None
CONTEXT: while creating return value
PL/Python function "test_void_func2"
SELECT test_return_none(), test_return_none() IS NULL AS "is null";
test_return_none | is null
------------------+---------
| t
(1 row)
|
