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nodeSort.c

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    • Robert Haas's avatar
      f1f5ec1e
      Reuse abbreviated keys in ordered [set] aggregates. · f1f5ec1e
      Robert Haas authored
      When processing ordered aggregates following a sort that could make use
      of the abbreviated key optimization, only call the equality operator to
      compare successive pairs of tuples when their abbreviated keys were not
      equal.
      
      Peter Geoghegan, reviewd by Andreas Karlsson and by me.
      f1f5ec1e
      History
      Reuse abbreviated keys in ordered [set] aggregates.
      Robert Haas authored
      When processing ordered aggregates following a sort that could make use
      of the abbreviated key optimization, only call the equality operator to
      compare successive pairs of tuples when their abbreviated keys were not
      equal.
      
      Peter Geoghegan, reviewd by Andreas Karlsson and by me.