[This topic is pre-release documentation and is subject to change in future releases. Blank topics are included as placeholders.]
Service for maintaing aggregation state. Processes events entering (a window, a join etc,) and
events leaving. Answers questions about current aggrataion state for a given row.
The following tables list the members exposed by the AggregationService type.
Public Methods
Name | Description | |
---|---|---|
![]() | ApplyEnter | Apply events as entering a window (new events). |
![]() | ApplyLeave | Apply events as leaving a window (old events). |
![]() | GetValue | Returns current aggregation state, for use by expression node representing an aggregation function. (Inherited from AggregationResultFuture.) |