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Posted to issues@drill.apache.org by "Khurram Faraaz (JIRA)" <ji...@apache.org> on 2016/12/14 03:24:58 UTC
[jira] [Commented] (DRILL-4906) CASE Expression with constant
generates class exception
[ https://issues.apache.org/jira/browse/DRILL-4906?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15747090#comment-15747090 ]
Khurram Faraaz commented on DRILL-4906:
---------------------------------------
Verified. Tests are added here
https://github.com/mapr/drill-test-framework/tree/master/framework/resources/Functional/case_expr
> CASE Expression with constant generates class exception
> -------------------------------------------------------
>
> Key: DRILL-4906
> URL: https://issues.apache.org/jira/browse/DRILL-4906
> Project: Apache Drill
> Issue Type: Bug
> Components: SQL Parser
> Affects Versions: 1.6.0, 1.8.0
> Reporter: Serhii Harnyk
> Assignee: Serhii Harnyk
> Fix For: 1.9.0
>
>
> How to reproduce:
> select (case when (true) then 1 end) from (values(1));
> Error
> Error: SYSTEM ERROR: ClassCastException: org.apache.drill.exec.expr.holders.NullableVarCharHolder cannot be cast to org.apache.drill.exec.expr.holders.VarCharHolder
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