The latest version for DAS is WSO2 Data Analytics Server 3.1.0. View documentation for the latest release.
WSO2 Data Analytics Server is succeeded by WSO2 Stream Processor. To view the latest documentation for WSO2 SP, see WSO2 Stream Processor Documentation.

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Following are the supported inbuilt aggregate functions  of Siddhi

sum

<long|double> sum (<int|long|double|float>  arg)

  • Extension TypeAggregate  Function  
  • Description: Sums all the events.
  • Parameterarg: The value that need to be summed.
  • Return Type: Returns long if the input parameter type is int or long and Returns double if the input parameter type is float or double.
  • Examplessum(20) returns sum of 20s as a long value for each event arrival and expiry. sum(temp) returns the sum of all temp attributes based on each event arrival and expiry. 

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