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  1. Hive
  2. HIVE-17127

delete_deleta_x_x cannot modify delta_x_x

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    Details

    • Type: Improvement
    • Status: Open
    • Priority: Minor
    • Resolution: Unresolved
    • Affects Version/s: 2.2.0
    • Fix Version/s: None
    • Component/s: None
    • Labels:
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    • Target Version/s:

      Description

      with split update an update statement will produce delete_deleta_x_x and delta_x_x for any auto commit txn. For multi-statement txn delete_delta_x_x_k may modify delta_x_x_j for j < k.
      Since we generate splits from delta_x_x there may be a small optimization here.

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            • Assignee:
              ekoifman Eugene Koifman
              Reporter:
              ekoifman Eugene Koifman
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              • Created:
                Updated: