Module agg_group

Structs

• AggGroup
  AggGroup manages agg states of all agg calls for one group_key.
• AggStateCacheStats
  Stats for agg state cache operations.
• AlwaysOutput
  The strategy that always outputs the aggregation result no matter there’re input rows or not.
• GroupKey
  GroupKey wraps a concrete group key and handle its mapping to state table pk.
• OnlyOutputIfHasInput
  The strategy that only outputs the aggregation result when there’re input rows. If row count drops to 0, the output row will be deleted.

Traits

• Strategy