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From "Use OTHER Daniel Barclay (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (DRILL-2503) Having many WHENs causes ClassReader.accept()/EXPAND_FRAMES error
Date Fri, 20 Mar 2015 02:16:42 GMT

    [ https://issues.apache.org/jira/browse/DRILL-2503?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14370574#comment-14370574
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Use OTHER Daniel Barclay commented on DRILL-2503:
-------------------------------------------------

Ideally, it would be modified to be a non-JDBC test in the java-exec module.

However, if you want to just put it in the JDBC module, put it in ./exec/jdbc/src/test/java/org/apache/drill/jdbc/test/
(the land of its birth :-) ).

Daniel



-- 
Daniel Barclay
MapR Technologies



> Having many WHENs causes ClassReader.accept()/EXPAND_FRAMES error
> -----------------------------------------------------------------
>
>                 Key: DRILL-2503
>                 URL: https://issues.apache.org/jira/browse/DRILL-2503
>             Project: Apache Drill
>          Issue Type: Bug
>          Components: Execution - Codegen
>    Affects Versions: 0.8.0
>            Reporter: Daniel Barclay (Drill)
>            Assignee: Chris Westin
>            Priority: Critical
>         Attachments: Drill2503CaseManyWhensFailsTest.java
>
>
> Having many WHEN clauses in CASE expressions in a query yields a error message saying
"Query failed: RemoteRpcException: Failure while running fragment., ClassReader.accept() should
be called with EXPAND_FRAMES flag".
> (It's not just the number of WHEN clauses in each CASE expression that matters, but the
total number.   (Deleting some from either caused the query to work again, and then adding
more WHENs in the other CASE expression caused the query to fail again.))



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