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Chang She
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RLS: some what's new for 0.10.1
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doc/source/v0.10.1.txt

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@@ -11,9 +11,14 @@ to.
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API changes
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~~~~~~~~~~~
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- Groupby aggregations Max/Min no longer exclude non-numeric data (GH2700_)
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-
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New features
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~~~~~~~~~~~~
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- MySQL support for database (contribution from Dan Allan)
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HDFStore
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~~~~~~~~
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.. ipython:: python
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df_mt = DataFrame(randn(8, 6), index=date_range('1/1/2000', periods=8),
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df_mt = DataFrame(randn(8, 6), index=date_range('1/1/2000', periods=8),
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columns=['A', 'B', 'C', 'D', 'E', 'F'])
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df_mt['foo'] = 'bar'
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# indiviual tables were created
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store.select('df1_mt')
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store.select('df2_mt')
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# as a multiple
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store.select_as_multiple(['df1_mt','df2_mt'], where = [ 'A>0','B>0' ], selector = 'df1_mt')
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- You can pass ``chunksize=an integer`` to ``append``, to change the writing chunksize (default is 50000). This will signficantly lower your memory usage on writing.
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- You can pass ``expectedrows=an integer`` to the first ``append``, to set the TOTAL number of expectedrows that ``PyTables`` will expected. This will optimize read/write performance.
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- ``Select`` now supports passing ``start`` and ``stop`` to provide selection space limiting in selection.
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- Greatly improved ISO8601 (e.g., yyyy-mm-dd) date parsing for file parsers (GH2698_)
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- Allow ``DataFrame.merge`` to handle combinatorial sizes too large for 64-bit integer (GH2690_)
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**Bug Fixes**
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- ``HDFStore`` tables can now store ``float32`` types correctly (cannot be mixed with ``float64`` however)
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- ``HDFStore`` tables can now store ``float32`` types correctly (cannot be
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mixed with ``float64`` however)
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- Fixed Google Analytics prefix when specifying request segment (GH2713_).
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- Function to reset Google Analytics token store so users can recover from
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improperly setup client secrets (GH2687_).
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- Fixed groupby bug resulting in segfault when passing in MultiIndex (GH2706_)
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- Fixed bug where passing a Series with datetime64 values into `to_datetime`
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results in bogus output values (GH2699_)
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- Fixed bug in ``pattern in HDFStore`` expressions when pattern is not a valid
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regex (GH2694_)
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- Fixed performance issues while aggregating boolean data (GH2692_)
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See the `full release notes
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<https://github.com/pydata/pandas/blob/master/RELEASE.rst>`__ or issue tracker
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on GitHub for a complete list.
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.. _GH2706: https://github.com/pydata/pandas/issues/2706
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.. _GH2700: https://github.com/pydata/pandas/issues/2700
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.. _GH2699: https://github.com/pydata/pandas/issues/2699
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.. _GH2698: https://github.com/pydata/pandas/issues/2698
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.. _GH2694: https://github.com/pydata/pandas/issues/2694
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.. _GH2692: https://github.com/pydata/pandas/issues/2692
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.. _GH2690: https://github.com/pydata/pandas/issues/2690
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.. _GH2713: https://github.com/pydata/pandas/issues/2713

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