Github user map222 commented on a diff in the pull request: https://github.com/apache/spark/pull/17469#discussion_r109225302 --- Diff: python/pyspark/sql/column.py --- @@ -250,11 +250,39 @@ def __iter__(self): raise TypeError("Column is not iterable") # string methods + _rlike_doc = """ Return a Boolean :class:`Column` based on a regex match.\n + :param other: an extended regex expression\n + + >>> df.filter( df.name.rlike('ice$') ).collect() + [Row(name=u'Alice', age=1)] + """ + _like_doc = """ Return a Boolean :class:`Column` based on a SQL LIKE match.\n + :param other: a SQL LIKE pattern\n + See :func:`pyspark.sql.Column.rlike` for a regex version\n + + >>> df.filter( df.name.like('Al%') ).collect() + [Row(name=u'Alice', age=1)] + """ + _startswith_doc = ''' Return a Boolean :class:`Column` based on a string match.\n --- End diff -- Are [these the Scala docs](http://spark.apache.org/docs/latest/api/scala/index.html#org.apache.spark.sql.Column@rlike(literal:String):org.apache.spark.sql.Column) you're referring to? It looks like the Scala Column docs are missing examples for a couple more functions that are documented in python (substr, isin). I could expand the ticket / PR to include Scala examples for all of these functions. I also noticed isNull and isNotNull are not document either.
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