Page History

#PARSER PQL
#IFSRCNDEF ticker
#INCLUDE ${PROJECTPATH}/TickerSource.qry
#ENDIF

#ADDQUERY
/// Tumbling element window
out = PREDICATEWINDOW({
		  /// Start window with anyevery element
          start = "true",
          /// close window, when size of buffer is 5
          end = "size(__all)==5",
		  /// output as list
          nesting = true
        },
        ticker
      )

#PARSER PQL
#IFSRCNDEF ticker
#INCLUDE ${PROJECTPATH}/TickerSource.qry
#ENDIF

#ADDQUERY
/// Sliding element window
out = PREDICATEWINDOW({
		  /// start window with anyevery element
          start = "true",
          /// If set to false, end element is not part of result
          KEEPENDINGELEMENT = true,
		  /// end predicate is tested before element is added to window
		  /// thats why size(__all) must be one below window size!
          end = "size(__all)=2",
          /// Move window when size of window is 3
          ADVANCEWHEN = 'size(__all)=3',
          /// move by one position
          ADVANCESIZE = 1,
          /// output as list
          nesting = true
        },
        ticker
      )