Github user holdenk commented on a diff in the pull request:
https://github.com/apache/spark/pull/17469#discussion_r109050842
--- 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
+ :param other: string at end of line (do not use a
regex `^`)\n
+ >>> df.filter(df.name.startswith('Al')).collect()
+ [Row(name=u'Alice', age=1)]
+ >>> df.filter(df.name.startswith('^Al')).collect()
+ []
+ '''
+ _endswith_doc = ''' Return a Boolean :class:`Column` based on matching
end of string.\n
--- End diff --
Is there a reason we switched from """ to ''' between the docstrings?
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