zhaolong created HIVE-26327:
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Summary: Export failed when data writed by tez engine and has
HIVE_UNION_SUBDIR directory
Key: HIVE-26327
URL: https://issues.apache.org/jira/browse/HIVE-26327
Project: Hive
Issue Type: Bug
Components: Import/Export
Affects Versions: 4.0.0-alpha-1, 3.1.0
Reporter: zhaolong
Attachments: image-2022-06-14-19-39-21-224.png,
image-2022-06-14-19-44-14-572.png
# tez engine will write HIVE_UNION_SUBDIR when we use union all syntx.
!image-2022-06-14-19-44-14-572.png!
2. when we export a big table （use distcp ） will has bellow error. because of
distcp only copy the HIVE_UNION_SUBDIR child file and dir to data. so 000000_0
file will has same name.
!image-2022-06-14-19-39-21-224.png!
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