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From "Harish Butani (JIRA)" <>
Subject [jira] [Created] (HIVE-7721) CBO: support case statement translation to optiq
Date Wed, 13 Aug 2014 23:18:13 GMT
Harish Butani created HIVE-7721:

             Summary: CBO: support case statement translation to optiq
                 Key: HIVE-7721
             Project: Hive
          Issue Type: Sub-task
            Reporter: Harish Butani

Following query:
explain select case when key > '104' then null else key end as key from src

fails with:
java.lang.RuntimeException: java.lang.RuntimeException: java.lang.RuntimeException: Unsupported
	at org.apache.hadoop.hive.ql.parse.SemanticAnalyzer$OptiqBasedPlanner.getOptimizedAST(
aused by: java.lang.RuntimeException: Unsupported Expression
	at org.apache.hadoop.hive.ql.optimizer.optiq.translator.RexNodeConverter.convert(
	at org.apache.hadoop.hive.ql.optimizer.optiq.translator.RexNodeConverter.convert(


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