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https://issues.apache.org/jira/browse/CALCITE-2586?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Vladimir Sitnikov resolved CALCITE-2586.
----------------------------------------
Resolution: Fixed
Fix Version/s: 1.18.0
Fixed in
https://git-wip-us.apache.org/repos/asf?p=calcite.git;a=commit;h=b78dd4a7e33607357ef530d0adb358e9741d9941
> RexSimplify: case with repeated branches results in assertion error
> -------------------------------------------------------------------
>
> Key: CALCITE-2586
> URL: https://issues.apache.org/jira/browse/CALCITE-2586
> Project: Calcite
> Issue Type: Bug
> Components: core
> Affects Versions: 1.17.0
> Reporter: Vladimir Sitnikov
> Assignee: Julian Hyde
> Priority: Major
> Labels: newbie
> Fix For: 1.18.0
>
>
> {code:java} case_(
> eq(falseLiteral, falseLiteral), falseLiteral,
> eq(falseLiteral, falseLiteral), isNotNull(trueLiteral),
> isNull(trueLiteral)
> );
> {code}
> {noformat}
> java.lang.AssertionError: result mismatch: when applied to {},
> CASE(=(false, false), false, =(false, false), IS NOT NULL(true), IS
> NULL(true)) yielded false,
> and =(false, false) yielded true{noformat}
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