pyspark.sql.functions.map_values

pyspark.sql.functions.map_values(col: ColumnOrName) → pyspark.sql.column.Column

Collection function: Returns an unordered array containing the values of the map.

New in version 2.3.0.

Changed in version 3.4.0: Supports Spark Connect.

Parameters

colColumn or str

name of column or expression

Returns

Column

values of the map as an array.

Examples

>>> from pyspark.sql.functions import map_values
>>> df = spark.sql("SELECT map(1, 'a', 2, 'b') as data")
>>> df.select(map_values("data").alias("values")).show()
+------+
|values|
+------+
|[a, b]|
+------+

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