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()
Since: 1.4.0

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final def notify(): Unit

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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
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()
Since
1.4.0
def partitionBy(cols: Column*): WindowSpec

Creates a WindowSpec with the partitioning defined.
Creates a WindowSpec with the partitioning defined.

Annotations
@varargs()
Since
1.4.0
def partitionBy(colName: String, colNames: String*): WindowSpec

Creates a WindowSpec with the partitioning defined.
Creates a WindowSpec with the partitioning defined.

Annotations
@varargs()
Since
1.4.0
final def synchronized[T0](arg0: ⇒ T0): T0

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def toString(): String

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final def wait(): Unit

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Related Docs: class Window | package expressions

object Window

Value Members

final def !=(arg0: Any): Boolean

final def ##(): Int

final def ==(arg0: Any): Boolean

final def asInstanceOf[T0]: T0

def clone(): AnyRef

final def eq(arg0: AnyRef): Boolean

def equals(arg0: Any): Boolean

def finalize(): Unit

final def getClass(): Class[_]

def hashCode(): Int

final def isInstanceOf[T0]: Boolean

final def ne(arg0: AnyRef): Boolean

final def notify(): Unit

final def notifyAll(): Unit

def orderBy(cols: Column*): WindowSpec

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

def partitionBy(cols: Column*): WindowSpec

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

final def synchronized[T0](arg0: ⇒ T0): T0

def toString(): String

final def wait(): Unit

final def wait(arg0: Long, arg1: Int): Unit

final def wait(arg0: Long): Unit

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