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https://issues.apache.org/jira/browse/HIVE-2187?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13041948#comment-13041948
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[email protected] commented on HIVE-2187:
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https://reviews.apache.org/r/813/
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Review request for hive.
Summary
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Mappers across multiple partitions with different SerDe failed
This addresses bug HIVE-2187.
https://issues.apache.org/jira/browse/HIVE-2187
Diffs
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trunk/ql/src/java/org/apache/hadoop/hive/ql/io/CombineHiveInputFormat.java
1129953
trunk/ql/src/test/queries/clientpositive/combine_check_serde.q PRE-CREATION
trunk/ql/src/test/results/clientpositive/combine_check_serde.q.out
PRE-CREATION
Diff: https://reviews.apache.org/r/813/diff
Testing
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Thanks,
Yongqiang
> Mappers across multiple partitions with different SerDe failed
> --------------------------------------------------------------
>
> Key: HIVE-2187
> URL: https://issues.apache.org/jira/browse/HIVE-2187
> Project: Hive
> Issue Type: Bug
> Reporter: Ning Zhang
> Assignee: He Yongqiang
> Attachments: HIVE-2187.1.patch
>
>
> If 2 partitions have the same input file format, but different serde, we
> should not combine them into the same mapper. Otherwise the mapper will fail.
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