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https://issues.apache.org/jira/browse/HIVE-6100?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Gunther Hagleitner updated HIVE-6100:
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Fix Version/s: (was: 0.14.0)
> Introduce basic set operations as UDFs
> --------------------------------------
>
> Key: HIVE-6100
> URL: https://issues.apache.org/jira/browse/HIVE-6100
> Project: Hive
> Issue Type: New Feature
> Components: UDF
> Reporter: Kostiantyn Kudriavtsev
> Assignee: Kostiantyn Kudriavtsev
> Priority: Minor
>
> Introduce basic set operations:
> 1. Intersection: The intersection of A and B, denoted by A ∩ B, is the set of
> all things that are members of both A and B.
> select set_intersection(arr_a, arr_b) from dual
> 2. Union: The union of A and B, denoted by A ∪ B, is the set of all things
> that are members of either A or B.
> select set_union(arr_a, arr_b) from dual
> 3. Symmetric difference: the symmetric difference of two sets is the set of
> elements which are in either of the sets and not in their intersection.
> select set_symdiff(arr_a, arr_b) from dual
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