org.apache.spark.sql.expressions

Window

object Window

:: 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)
Annotations
@Experimental()
Source
Window.scala
Since

1.4.0

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  17. def orderBy(cols: Column*): WindowSpec

    Creates a WindowSpec with the ordering defined.

    Creates a WindowSpec with the ordering defined.

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    @varargs()
    Since

    1.4.0

  18. def orderBy(colName: String, colNames: String*): WindowSpec

    Creates a WindowSpec with the ordering defined.

    Creates a WindowSpec with the ordering defined.

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    @varargs()
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    1.4.0

  19. def partitionBy(cols: Column*): WindowSpec

    Creates a WindowSpec with the partitioning defined.

    Creates a WindowSpec with the partitioning defined.

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    @varargs()
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    1.4.0

  20. def partitionBy(colName: String, colNames: String*): WindowSpec

    Creates a WindowSpec with the partitioning defined.

    Creates a WindowSpec with the partitioning defined.

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    @varargs()
    Since

    1.4.0

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