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  • method (String): The method that should be used for selection
    • FIRST: The first element in the window
    • LAST: The last element in the window
    • MIN: The element with a minimal value
    • MAX: The element with a maximal value
  • attribute (SDFAttribute): For some methods this states the attribute for which the element should be selected.

 

Remark: The input must contain end time stamps, else no output will ever be produced!

Example

Code Block
languagepql
#PARSER PQL
#ADDQUERY
outwindow = TUPLEAGGREGATEELEMENTWINDOW({
            method  size = 'MAX'5,
             attribute advance = 'id'
 5          
            },
        ELEMENTWINDOW({
    person
        size = 5,)
out = TUPLEAGGREGATE({
          slidemethod = 5'MAX',
          attribute }= 'id',
          personname = 'MAX'        
        },
        )window
      )
      
out2 = TUPLEAGGREGATE({
            method = 'MIN',
            attribute = 'id'
        },
        ELEMENTWINDOW({
           name size = 5'MIN',
            slide = 5
          },
          personwindow
        )
      )
      
out3 = TUPLEAGGREGATE({
            method = 'FIRST', 
        },
    name    ELEMENTWINDOW({= 'FIRST',
            size = 5,
            slide = 5
          },
          personwindow
        )
      )
      
out4 = TUPLEAGGREGATE({
            method = 'LAST',
        },
    name    ELEMENTWINDOW({
   = 'LAST'
         size = 5,
            slide = 5
          },
          personwindow
        )
      )