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