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

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

     [ https://issues.apache.org/jira/browse/HIVE-22197?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

mahesh kumar behera reassigned HIVE-22197:
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> 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
>            Priority: Major
>             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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