Harish Butani created HIVE-7721:
-----------------------------------
Summary: CBO: support case statement translation to optiq
Key: HIVE-7721
URL: https://issues.apache.org/jira/browse/HIVE-7721
Project: Hive
Issue Type: Sub-task
Reporter: Harish Butani
Following query:
{code}
explain select case when key > '104' then null else key end as key from src
{code}
fails with:
{quote}
java.lang.RuntimeException: java.lang.RuntimeException:
java.lang.RuntimeException: Unsupported Expression
at
org.apache.hadoop.hive.ql.parse.SemanticAnalyzer$OptiqBasedPlanner.getOptimizedAST(SemanticAnalyzer.java:11808)
....
aused by: java.lang.RuntimeException: Unsupported Expression
at
org.apache.hadoop.hive.ql.optimizer.optiq.translator.RexNodeConverter.convert(RexNodeConverter.java:91)
at
org.apache.hadoop.hive.ql.optimizer.optiq.translator.RexNodeConverter.convert(RexNodeConverter.java:124)
{quote}
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