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  1. Hive
  2. HIVE-420

Support regular expressions for column in select clause

    Details

    • Type: New Feature
    • Status: Closed
    • Priority: Minor
    • Resolution: Fixed
    • Affects Version/s: 0.3.0, 0.4.0, 0.6.0
    • Fix Version/s: 0.4.0
    • Component/s: Query Processor
    • Labels:
      None
    • Hadoop Flags:
      Reviewed

      Description

      support queries like

       select a.`(ds|hr)?+.+` from a where a.ds='2009-09-09' 

      which are useful when there are humongous number of columns in a table and want to select all columns except the partition columns (ds and hr).

        Attachments

        1. HIVE-420.4.patch
          43 kB
          Zheng Shao
        2. HIVE-420.3.patch
          43 kB
          Zheng Shao
        3. HIVE-420.2.patch
          42 kB
          Zheng Shao
        4. HIVE-420.1.patch
          42 kB
          Zheng Shao

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              • Assignee:
                zshao Zheng Shao
                Reporter:
                prasadc Prasad Chakka
              • Votes:
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                Dates

                • Created:
                  Updated:
                  Resolved: