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27c405d61a
Extract the "while creating return value" and "while modifying trigger row" parts of some error messages into another layer of error context. This will simplify the upcoming patch to improve data type support, but it can stand on its own.
30 lines
893 B
Text
30 lines
893 B
Text
--
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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 plpythonu;
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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 plpythonu;
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CREATE FUNCTION test_return_none() RETURNS int AS $$
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None
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$$ LANGUAGE plpythonu;
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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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(1 row)
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