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Tweak the error message emitted when a void-returning PL/Python function
does not return None, per suggestion from Tom.
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@ -190,8 +190,8 @@ SELECT test_void_func1(), test_void_func1() IS NULL AS "is null";
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(1 row)
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SELECT test_void_func2(); -- should fail
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ERROR: unexpected return value from plpython procedure
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DETAIL: void-returning functions must return "None"
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ERROR: invalid return value from plpython function
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DETAIL: Functions returning type "void" must return "None".
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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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@ -29,7 +29,7 @@
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* MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
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*
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* IDENTIFICATION
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* $PostgreSQL: pgsql/src/pl/plpython/plpython.c,v 1.72 2006/02/28 20:03:52 neilc Exp $
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* $PostgreSQL: pgsql/src/pl/plpython/plpython.c,v 1.73 2006/02/28 20:56:14 neilc Exp $
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*
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*********************************************************************
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*/
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@ -769,8 +769,8 @@ PLy_function_handler(FunctionCallInfo fcinfo, PLyProcedure * proc)
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if (plrv != Py_None)
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ereport(ERROR,
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(errcode(ERRCODE_DATATYPE_MISMATCH),
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errmsg("unexpected return value from plpython procedure"),
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errdetail("void-returning functions must return \"None\"")));
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errmsg("invalid return value from plpython function"),
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errdetail("Functions returning type \"void\" must return \"None\".")));
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fcinfo->isnull = false;
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rv = (Datum) 0;
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