pyspark.sql.functions.map_entries

pyspark.sql.functions.map_entries(col)

Collection function: Returns an unordered array of all entries in the given map.

Parameters

col – name of column or expression

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

New in version 3.0.

pyspark.sql.functions.map_concat pyspark.sql.functions.map_filter