[jira] [Created] (HIVE-14402) Vectorization: Fix Mapjoin overflow deserialization

["Gopal V (JIRA)" <ji...@apache.org>]

Gopal V created HIVE-14402:
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             Summary: Vectorization: Fix Mapjoin overflow deserialization 
                 Key: HIVE-14402
                 URL: https://issues.apache.org/jira/browse/HIVE-14402
             Project: Hive
          Issue Type: Bug
          Components: Vectorization
    Affects Versions: 2.1.0, 2.2.0
            Reporter: Gopal V
            Assignee: Gopal V


This is in a codepath currently disabled in master, however enabling it triggers OOB.

{code}
Caused by: java.lang.ArrayIndexOutOfBoundsException: 1024
        at org.apache.hadoop.hive.ql.exec.vector.BytesColumnVector.setRef(BytesColumnVector.java:92)
        at org.apache.hadoop.hive.ql.exec.vector.VectorDeserializeRow.deserializeRowColumn(VectorDeserializeRow.java:415)
        at org.apache.hadoop.hive.ql.exec.vector.VectorDeserializeRow.deserialize(VectorDeserializeRow.java:674)
        at org.apache.hadoop.hive.ql.exec.vector.mapjoin.VectorMapJoinGenerateResultOperator.generateHashMapResultLargeMultiValue(VectorMapJoinGenerateResultOperator.java:307)
        at org.apache.hadoop.hive.ql.exec.vector.mapjoin.VectorMapJoinGenerateResultOperator.generateHashMapResultMultiValue(VectorMapJoinGenerateResultOperator.java:226)
        at org.apache.hadoop.hive.ql.exec.vector.mapjoin.VectorMapJoinGenerateResultOperator.generateHashMapResultRepeatedAll(VectorMapJoinGenerateResultOperator.java:391)
{code}



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