Harish JP created HIVE-25521:
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Summary: Fix concatenate file handling when files of different
compressions are in same table/partition.
Key: HIVE-25521
URL: https://issues.apache.org/jira/browse/HIVE-25521
Project: Hive
Issue Type: Bug
Reporter: Harish JP
Assignee: Harish JP
Currently if files of different compressions are in same directory then
concatenate can fail and cause data corruption. This happens because file can
be moved by one task as incompatible file and the other tasks will fail after
this.
This issue is addressed in this Jira by only processing a file in one task
where offset 0 is process and ignoring the the file in all other tasks.
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