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From "Eugene Koifman (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HIVE-17695) HiveInputFormat.processForWriteIds(Path dir, JobConf conf, ValidTxnList validTxnList, List<Path> finalPaths)
Date Wed, 04 Oct 2017 20:20:01 GMT
Eugene Koifman created HIVE-17695:
-------------------------------------

             Summary: HiveInputFormat.processForWriteIds(Path dir, JobConf conf,       ValidTxnList
validTxnList, List<Path> finalPaths)
                 Key: HIVE-17695
                 URL: https://issues.apache.org/jira/browse/HIVE-17695
             Project: Hive
          Issue Type: Sub-task
          Components: Transactions
            Reporter: Eugene Koifman


this has special handling for writes resulting from Union All query

In full Acid case at least, these subdirs get collapsed in favor of statementId based dir
names (delta_x_y_stmtId).  It would be cleaner/simpler to make MM follow the same logic. 
(full acid does it Hive.moveFiles() I think)



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