flow::plan

Module reduce

Source

Structs§

  • AccumulablePlan
    Accumulable plan for the execution of a reduction.
  • AggrWithIndex
    Invariant: the output index is the index of the aggregation in full_aggrs which means output index is always smaller than the length of full_aggrs
  • KeyValPlan
    Describe how to extract key-value pair from a Row

Enums§

  • ReducePlan
    TODO(discord9): def&impl of Hierarchical aggregates(for min/max with support to deletion) and basic aggregates(for other aggregate functions) and mixed aggregate