[jira] [Created] (DRILL-4906) CASE Expression with constant generates class exception

[Serhii Harnyk (JIRA)]

Serhii Harnyk created DRILL-4906:
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             Summary: 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: 1.8.0, 1.6.0
            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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