[jira] [Commented] (CALCITE-7296) Improve simplification of IS (NOT) NULL

[Thomas Rebele (Jira)]

    [ 
https://issues.apache.org/jira/browse/CALCITE-7296?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18038975#comment-18038975
 ] 

Thomas Rebele commented on CALCITE-7296:
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A test case to be added:

{code}
  @Test void testSimplifyDivideCast() {
    checkSimplifyUnchanged(div(nullInt, cast(vVarchar(), tInt(false))));
    checkSimplifyUnchanged(div(cast(vVarchar(), tInt(false)), nullInt));
  }
{code}

> Improve simplification of IS (NOT) NULL
> ---------------------------------------
>
>                 Key: CALCITE-7296
>                 URL: https://issues.apache.org/jira/browse/CALCITE-7296
>             Project: Calcite
>          Issue Type: Task
>            Reporter: Thomas Rebele
>            Assignee: Thomas Rebele
>            Priority: Major
>




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