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Posted to issues@calcite.apache.org by "pengzhiwei (JIRA)" <ji...@apache.org> on 2018/09/17 09:25:00 UTC

[jira] [Updated] (CALCITE-2567) RexSimplify#simplifyIsNull does not work for "is null(null)"

     [ https://issues.apache.org/jira/browse/CALCITE-2567?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

pengzhiwei updated CALCITE-2567:
--------------------------------
    Description: 
The "is null(null)" should simplify to "true",but RexSimplify#simplifyIsNull does not work for it.

A PR have made to solve this issue at [PR 835|[https://github.com/apache/calcite/pull/835]|https://github.com/apache/calcite/pull/835].Any]

  was:The "is null(null)" should simplify to "true",but RexSimplify#simplifyIsNull does not work for it.


> RexSimplify#simplifyIsNull does not work for "is null(null)"
> ------------------------------------------------------------
>
>                 Key: CALCITE-2567
>                 URL: https://issues.apache.org/jira/browse/CALCITE-2567
>             Project: Calcite
>          Issue Type: Bug
>          Components: core
>    Affects Versions: 1.17.0
>            Reporter: pengzhiwei
>            Assignee: Julian Hyde
>            Priority: Major
>
> The "is null(null)" should simplify to "true",but RexSimplify#simplifyIsNull does not work for it.
> A PR have made to solve this issue at [PR 835|[https://github.com/apache/calcite/pull/835]|https://github.com/apache/calcite/pull/835].Any]



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