Github user HyukjinKwon commented on a diff in the pull request:
https://github.com/apache/spark/pull/22227#discussion_r214245703
--- Diff: python/pyspark/sql/functions.py ---
@@ -1669,20 +1669,36 @@ def repeat(col, n):
return Column(sc._jvm.functions.repeat(_to_java_column(col), n))
-@since(1.5)
+@since(2.4)
@ignore_unicode_prefix
-def split(str, pattern):
- """
- Splits str around pattern (pattern is a regular expression).
-
- .. note:: pattern is a string represent the regular expression.
-
- >>> df = spark.createDataFrame([('ab12cd',)], ['s',])
- >>> df.select(split(df.s, '[0-9]+').alias('s')).collect()
- [Row(s=[u'ab', u'cd'])]
- """
- sc = SparkContext._active_spark_context
- return Column(sc._jvm.functions.split(_to_java_column(str), pattern))
+def split(str, regex, limit=-1):
--- End diff --
Please change `regex ` back to `pattern`
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