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Posted to dev@calcite.apache.org by "Vladimir Sitnikov (JIRA)" <ji...@apache.org> on 2018/09/20 12:40:00 UTC

[jira] [Created] (CALCITE-2580) RexSimplify: coalesce(null > null, true) produces wrong result in unknownAsFalse mode

Vladimir Sitnikov created CALCITE-2580:
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             Summary: RexSimplify: coalesce(null > null, true) produces wrong result in unknownAsFalse mode
                 Key: CALCITE-2580
                 URL: https://issues.apache.org/jira/browse/CALCITE-2580
             Project: Calcite
          Issue Type: Bug
          Components: core
    Affects Versions: 1.17.0
            Reporter: Vladimir Sitnikov
            Assignee: Julian Hyde


checkSimplify2(coalesce(gt(nullInt, nullInt), trueLiteral), "true", "true");

{noformat}
java.lang.AssertionError: result mismatch:
when applied to {}, COALESCE(>(null, null), true) yielded true, and false yielded false
{noformat}



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