Structs§
- AggGroup
AggGroup
manages agg states of all agg calls for onegroup_key
.- AggState
Cache Stats - Stats for agg state cache operations.
- Always
Output - The strategy that always outputs the aggregation result no matter there’re input rows or not.
- Context
- Group
Key GroupKey
wraps a concrete group key and handle its mapping to state table pk.- Only
Output IfHas Input - 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.