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https://issues.apache.org/jira/browse/HIVE-11506?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sergey Shelukhin updated HIVE-11506:
------------------------------------
Target Version/s: 1.3.0
> Casting varchar/char type to string cannot be vectorized
> --------------------------------------------------------
>
> Key: HIVE-11506
> URL: https://issues.apache.org/jira/browse/HIVE-11506
> Project: Hive
> Issue Type: Improvement
> Components: Vectorization
> Reporter: Navis
> Assignee: Navis
> Priority: Trivial
> Fix For: 2.0.0
>
> Attachments: HIVE-11506.1.patch.txt, HIVE-11506.2.patch.txt
>
>
> It's not defined in vectorization context.
> {code}
> explain
> select cast(cast(cstring1 as varchar(10)) as string) x from alltypesorc order
> by x;
> {code}
> Mapper is not vectorized by exception,
> {noformat}
> 015-08-10 17:02:08,003 INFO [main]: physical.Vectorizer
> (Vectorizer.java:validateExprNodeDesc(1299)) - Failed to vectorize
> org.apache.hadoop.hive.ql.metadata.HiveException: Unhandled cast input type:
> varchar(10)
> at
> org.apache.hadoop.hive.ql.exec.vector.VectorizationContext.getCastToString(VectorizationContext.java:1543)
> at
> org.apache.hadoop.hive.ql.exec.vector.VectorizationContext.getGenericUDFBridgeVectorExpression(VectorizationContext.java:1379)
> at
> org.apache.hadoop.hive.ql.exec.vector.VectorizationContext.getGenericUdfVectorExpression(VectorizationContext.java:1177)
> at
> org.apache.hadoop.hive.ql.exec.vector.VectorizationContext.getVectorExpression(VectorizationContext.java:440)
> at
> org.apache.hadoop.hive.ql.optimizer.physical.Vectorizer.validateExprNodeDesc(Vectorizer.java:1293)
> at
> org.apache.hadoop.hive.ql.optimizer.physical.Vectorizer.validateExprNodeDesc(Vectorizer.java:1284)
> at
> org.apache.hadoop.hive.ql.optimizer.physical.Vectorizer.validateSelectOperator(Vectorizer.java:1116)
> at
> org.apache.hadoop.hive.ql.optimizer.physical.Vectorizer.validateMapWorkOperator(Vectorizer.java:906)
> {noformat}
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