pyspark.sql.functions.map_from_arrays

pyspark.sql.functions.map_from_arrays(col1, col2)

Creates a new map from two arrays.

New in version 2.4.0.

Parameters

col1Column or str

name of column containing a set of keys. All elements should not be null

col2Column or str

name of column containing a set of values

Examples

>>> df = spark.createDataFrame([([2, 5], ['a', 'b'])], ['k', 'v'])
>>> df.select(map_from_arrays(df.k, df.v).alias("map")).show()
+----------------+
|             map|
+----------------+
|{2 -> a, 5 -> b}|
+----------------+

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