pyspark.sql.functions.map_values¶

pyspark.sql.functions.map_values(col: ColumnOrName) → pyspark.sql.column.Column[source]¶

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]|
+------+

pyspark.sql.functions.map_keys pyspark.sql.functions.map_entries