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  1. Ignite
  2. IGNITE-13543

Calcite integration. Sort-based aggregates

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    • New Feature
    • Status: Resolved
    • Critical
    • Resolution: Fixed
    • None
    • None
    • sql
    • None
    • Docs Required, Release Notes Required

    Description

      To have a performance boost need to implement merge aggregates.
      The merge aggregate is applied for sorted input of the aggregate.
      In this case only one aggregation group is stored at the memory.

      Also the input of the aggregate may be sorted by force.

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              tledkov-gridgain Taras Ledkov
              jooger Yury Gerzhedovich
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