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org.apache.spark.sql.expressions

Window

Related Docs: object Window | package expressions

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class Window extends AnyRef

:: Experimental :: 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(Long.MinValue, 0)

// 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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@Experimental()
Source
Window.scala
Since

1.4.0

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