DatetimeIndex.union_many()

pandas.DatetimeIndex.union_many

DatetimeIndex.union_many(others)

A bit of a hack to accelerate unioning a collection of indexes

© 2011–2012 Lambda Foundry, Inc. and PyData Development Team
© 2008–2011 AQR Capital Management, LLC
© 2008–2014 the pandas development team
Licensed under the 3-clause BSD License.
http://pandas.pydata.org/pandas-docs/version/0.18.1/generated/pandas.DatetimeIndex.union_many.html