[
https://issues.apache.org/jira/browse/CALCITE-2469?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
pengzhiwei updated CALCITE-2469:
--------------------------------
Summary: RexSimplify should not optimize '(not x) is null' to 'x is not
null' (was: RexSimplify should not optimize '(not x) is null' to 'x is not
null)
> RexSimplify should not optimize '(not x) is null' to 'x is not null'
> --------------------------------------------------------------------
>
> Key: CALCITE-2469
> URL: https://issues.apache.org/jira/browse/CALCITE-2469
> Project: Calcite
> Issue Type: Bug
> Components: core
> Affects Versions: 1.17.0
> Reporter: pengzhiwei
> Assignee: Julian Hyde
> Priority: Critical
>
> The RexSimplify will optimize the '(not x) is null' to 'x is not null'.
> However,this is incorrect.It is same to the case '(not x) is not null' .
>
--
This message was sent by Atlassian JIRA
(v7.6.3#76005)
