Daniel Barclay (Drill) created DRILL-2503:
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Summary: 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
Reporter: Daniel Barclay (Drill)
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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