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  1. Pig
  2. PIG-993

[zebra] Abitlity to drop a column group in a table

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Details

    • Bug
    • Status: Closed
    • Major
    • Resolution: Fixed
    • None
    • 0.6.0
    • None
    • None

    Description

      A Zebra table is stored as multiple sub tables each containing a set of columns called column group (CG). The user specifies how these columns are grouped while creating a table through the storage hint.

      For some of the large tables, it might be necessary for users to remove a set of columns and retain the rest. This jira provides a way for users to delete an entire column group.

      The following comments will have more details on API and the semantics.

      Attachments

        1. DropColumnGroupExample.java
          5 kB
          Raghu Angadi
        2. TEST-org.apache.hadoop.zebra.io.TestCheckin.txt
          35 kB
          Alan Gates
        3. zebra-drop-cg.patch
          91 kB
          Yan Zhou
        4. zebra-drop-cg.patch
          53 kB
          Yan Zhou
        5. zebra-drop-cg.patch
          53 kB
          Raghu Angadi

        Issue Links

          depends upon

          New Feature - A new feature of the product, which has yet to be developed. PIG-986 [zebra] Zebra Column Group Naming Support

          • Major - Major loss of function.
          • Closed

          Improvement - An improvement or enhancement to an existing feature or task. PIG-992 [zebra] Separate Schema-related files into a "Schema" package

          • Minor - Minor loss of function, or other problem where easy workaround is present.
          • Closed

          Activity

            People

              rangadi Raghu Angadi
              rangadi Raghu Angadi
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              Dates

                Created:
                Updated:
                Resolved: