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Posted to dev@hive.apache.org by "mahesh kumar behera (Jira)" <ji...@apache.org> on 2019/09/12 04:00:00 UTC

[jira] [Created] (HIVE-22197) Common Merge join throwing class cast exception

mahesh kumar behera created HIVE-22197:
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             Summary: Common Merge join throwing class cast exception 
                 Key: HIVE-22197
                 URL: https://issues.apache.org/jira/browse/HIVE-22197
             Project: Hive
          Issue Type: Bug
          Components: Hive
    Affects Versions: 4.0.0
            Reporter: mahesh kumar behera
            Assignee: mahesh kumar behera
             Fix For: 4.0.0


In DummyStoreOperator the row is cached to fix HIVE-5973. The row is copyed and stored in the writable format, but the object inspector is initialized to default. So when join operator is fetching the data from dummy store operator, its getting the OI is Long and the row as LongWritable. This is causing the class cast exception.



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