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From jianqiao <...@git.apache.org>
Subject [GitHub] incubator-quickstep pull request #179: QUICKSTEP-70-71 Improve aggregation p...
Date Tue, 07 Feb 2017 18:47:26 GMT
Github user jianqiao commented on a diff in the pull request:

    https://github.com/apache/incubator-quickstep/pull/179#discussion_r99897239
  
    --- Diff: storage/AggregationOperationState.hpp ---
    @@ -156,6 +152,29 @@ class AggregationOperationState {
           const CatalogDatabaseLite &database);
     
       /**
    +   * @brief Get the number of partitions to be used for initializing the
    +   *        aggregation.
    +   *
    +   * @return The number of partitions to be used for initializing the aggregation.
    +   **/
    +  std::size_t getNumInitializationPartitions() const;
    +
    +  /**
    +   * @brief Get the number of partitions to be used for finalizing the
    +   *        aggregation.
    +   *
    +   * @return The number of partitions to be used for finalizing the aggregation.
    +   **/
    +  std::size_t getNumFinalizationPartitions() const;
    --- End diff --
    
    The number of partitions can be different for initialization and finalization.


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