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  1. Hive
  2. HIVE-784

Support uncorrelated subqueries in the WHERE clause

    Details

    • Type: New Feature
    • Status: Resolved
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: 0.13.0
    • Component/s: Query Processor
    • Labels:
      None
    • Release Note:
      Not ready for release

      Description

      Hive currently only support views in the FROM-clause, some Facebook use cases suggest that Hive should support subqueries such as those connected by IN/EXISTS in the WHERE-clause.

        Attachments

        1. tpchQueriesUsingSubQueryClauses.sql
          6 kB
          Harish Butani
        2. SubQuerySpec.pdf
          337 kB
          Harish Butani
        3. HIVE-784.2.patch
          187 kB
          Harish Butani
        4. HIVE-784.1.patch.txt
          26 kB
          Matthew Weaver
        5. D13443.2.patch
          192 kB
          Phabricator
        6. D13443.1.patch
          185 kB
          Phabricator

          Issue Links

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              • Assignee:
                rhbutani Harish Butani
                Reporter:
                nzhang Ning Zhang
              • Votes:
                5 Vote for this issue
                Watchers:
                28 Start watching this issue

                Dates

                • Created:
                  Updated:
                  Resolved: