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  1. Hive
  2. HIVE-13616

Investigate renaming a table without invalidating the column stats

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    Details

    • Type: Improvement
    • Status: Closed
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: 2.1.0
    • Component/s: Metastore
    • Labels:
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      Description

      Right now when we rename a table, we clear the column stats rather than updating it (HIVE-9720) since ObjectStore uses DN to talk to DB. Investigate the possibility that if we can achieve updating the stats without rescanning the whole table.

        Attachments

        1. HIVE-13616.2.patch
          24 kB
          Aihua Xu
        2. HIVE-13616.1.patch
          24 kB
          Aihua Xu

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              • Assignee:
                aihuaxu Aihua Xu
                Reporter:
                aihuaxu Aihua Xu
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                • Created:
                  Updated:
                  Resolved: