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https://issues.apache.org/jira/browse/HIVE-8385?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ashutosh Chauhan resolved HIVE-8385.
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Resolution: Duplicate
Fix Version/s: 1.2.0
Assignee: Pengcheng Xiong
> UNION Operator in Hive
> ----------------------
>
> Key: HIVE-8385
> URL: https://issues.apache.org/jira/browse/HIVE-8385
> Project: Hive
> Issue Type: Improvement
> Components: SQL
> Reporter: Pardeep Kumar
> Assignee: Pengcheng Xiong
> Fix For: 1.2.0
>
>
> While Hive has UNION ALL feature, it results in duplicate records and
> customers have to write another complex query or MapReduce job to Dedup the
> duplicate records. UNION feature is must have in Hive as it is in all SQL
> RDBMS as well as in Apache Impala.
> Not sure how much effort will it take given the fact that UNION ALL is
> already available.
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