Github user viirya commented on a diff in the pull request:
https://github.com/apache/spark/pull/21045#discussion_r194209974
--- Diff: python/pyspark/sql/functions.py ---
@@ -2394,6 +2394,23 @@ def array_repeat(col, count):
return Column(sc._jvm.functions.array_repeat(_to_java_column(col),
count))
+@since(2.4)
+def zip(*cols):
+ """
+ Collection function: Returns a merged array containing in the N-th
position the
+ N-th value of each array given.
+
+ :param cols: columns in input
--- End diff --
nit: columns of arrays to be merged.
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