Packages

class Window extends AnyRef

Utility functions for defining window in DataFrames.

// PARTITION BY country ORDER BY date ROWS BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW
Window.partitionBy("country").orderBy("date")
  .rowsBetween(Window.unboundedPreceding, Window.currentRow)

// PARTITION BY country ORDER BY date ROWS BETWEEN 3 PRECEDING AND 3 FOLLOWING
Window.partitionBy("country").orderBy("date").rowsBetween(-3, 3)
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@Stable()
Source
Window.scala
Since

1.4.0

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