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Posted to issues@calcite.apache.org by "pengzhiwei (JIRA)" <ji...@apache.org> on 2018/08/02 11:43:01 UTC

[jira] [Created] (CALCITE-2438) RexCall#isAlwaysTrue return incorrect result

pengzhiwei created CALCITE-2438:
-----------------------------------

             Summary: RexCall#isAlwaysTrue  return incorrect result
                 Key: CALCITE-2438
                 URL: https://issues.apache.org/jira/browse/CALCITE-2438
             Project: Calcite
          Issue Type: Bug
          Components: core
    Affects Versions: 1.17.0
            Reporter: pengzhiwei
            Assignee: Julian Hyde
         Attachments: 屏幕快照 2018-08-02 下午7.26.20.png, 屏幕快照 2018-08-02 下午7.34.26.png

In the case as followed:
{code:java}
((sal IS NULL) IS NOT NULL) IS FALSE
{code}
The RexCall#isAlwaysTrue return true,however the correct answer is false.

I find the reason is that there is a wrong logic in the  isAlwaysTrue,when getKind() is IS_NOT_FALSE、IS_FALSE and IS_NOT_FALSE :

!屏幕快照 2018-08-02 下午7.34.26.png!

Can you have a check for me,thanks!



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