Class

org.apache.spark.sql.expressions

WindowSpec

Related Doc: package expressions

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class WindowSpec extends AnyRef

:: Experimental :: A window specification that defines the partitioning, ordering, and frame boundaries.

Use the static methods in Window to create a WindowSpec.

Annotations
@Experimental()
Source
WindowSpec.scala
Since

1.4.0

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  1. final def !=(arg0: Any): Boolean

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  4. final def asInstanceOf[T0]: T0

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  5. def clone(): AnyRef

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  13. final def notify(): Unit

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  14. final def notifyAll(): Unit

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

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    Defines the ordering columns in a WindowSpec.

    Defines the ordering columns in a WindowSpec.

    Annotations
    @varargs()
    Since

    1.4.0

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

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    Defines the ordering columns in a WindowSpec.

    Defines the ordering columns in a WindowSpec.

    Annotations
    @varargs()
    Since

    1.4.0

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

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    Defines the partitioning columns in a WindowSpec.

    Defines the partitioning columns in a WindowSpec.

    Annotations
    @varargs()
    Since

    1.4.0

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

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    Defines the partitioning columns in a WindowSpec.

    Defines the partitioning columns in a WindowSpec.

    Annotations
    @varargs()
    Since

    1.4.0

  19. def rangeBetween(start: Long, end: Long): WindowSpec

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    Defines the frame boundaries, from start (inclusive) to end (inclusive).

    Defines the frame boundaries, from start (inclusive) to end (inclusive).

    Both start and end are relative from the current row. For example, "0" means "current row", while "-1" means one off before the current row, and "5" means the five off after the current row.

    start

    boundary start, inclusive. The frame is unbounded if this is the minimum long value.

    end

    boundary end, inclusive. The frame is unbounded if this is the maximum long value.

    Since

    1.4.0

  20. def rowsBetween(start: Long, end: Long): WindowSpec

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    Defines the frame boundaries, from start (inclusive) to end (inclusive).

    Defines the frame boundaries, from start (inclusive) to end (inclusive).

    Both start and end are relative positions from the current row. For example, "0" means "current row", while "-1" means the row before the current row, and "5" means the fifth row after the current row.

    start

    boundary start, inclusive. The frame is unbounded if this is the minimum long value.

    end

    boundary end, inclusive. The frame is unbounded if this is the maximum long value.

    Since

    1.4.0

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

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  22. def toString(): String

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  23. final def wait(): Unit

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

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  25. final def wait(arg0: Long): Unit

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