pyspark.sql.Column.over

Column.over(window: WindowSpec) → Column

Define a windowing column.

New in version 1.4.0.

Changed in version 3.4.0: Supports Spark Connect.

Parameters

windowWindowSpec

Returns

Column

Examples

>>> from pyspark.sql import Window
>>> window = (
...     Window.partitionBy("name")
...     .orderBy("age")
...     .rowsBetween(Window.unboundedPreceding, Window.currentRow)
... )
>>> from pyspark.sql.functions import rank, min, desc
>>> df = spark.createDataFrame(
...      [(2, "Alice"), (5, "Bob")], ["age", "name"])
>>> df.withColumn(
...      "rank", rank().over(window)
... ).withColumn(
...      "min", min('age').over(window)
... ).sort(desc("age")).show()
+---+-----+----+---+
|age| name|rank|min|
+---+-----+----+---+
|  5|  Bob|   1|  5|
|  2|Alice|   1|  2|
+---+-----+----+---+

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