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[OPENJPA-3050] Return null for arithmetic with a null operand evaluated in memory - #257
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cristof
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Nov 2, 2026
solomax
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Nov 3, 2026
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https://issues.apache.org/jira/browse/OPENJPA-3050
In memory, arithmetic with a NULL operand treated the null as 0, so
-n.intBreturned 0 andn.intA / n.intBfailed with a division by zero, while the database returns NULL.Filters.opreturns null when an operand is null (+ - * / MOD POWER ROUND).ABS,SQRT,SIGN,CEILING,FLOOR,EXPandLNreturn null for null instead of throwing, which matters when nested, e.g. inCOALESCE.JDBCStoreQuery.SUM/AVGstill skip nulls.<>against null keeps its existing behaviour (true when one side is null), which the note mentions.New
TestNullArithmeticInMemory. Full suites pass on Derby and H2.