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output = UDO({
              class='MyUDO', 
              init='some parameter'
             }, input)

WINDOW

Description

The window sets – dependent on the used parameters – the validity of the tuple.

Parameter

• size: The size of the window
• advance: The advance the window moves forward
• slide: The slide of the window
• type: The type of the window. The possible values are Time, Tuple, and Unbound
• partition: The partition attribute of the window
• startCondition: The start condition for a predicate window
• endCondition: The end condition for a predicate window

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DATABASESOURCE

Description

Parameter

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This operator can read data from a relational database. Look at Database Feature for a detailed description.

DATABASESINK

Description

Parameter

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This operator can write data to a relational database. Look at Database Feature for a detailed description.

Extension of PQL – Make New Logical Operators Available

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