8000 BUG: Fix concat of frames with extension types (no reindexed columns) by jorisvandenbossche · Pull Request #34339 · pandas-dev/pandas · GitHub
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BUG: Fix concat of frames with extension types (no reindexed columns) #34339

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Merged
merged 12 commits into from
Jun 19, 2020
Merged

BUG: Fix concat of frames with extension types (no reindexed columns) #34339

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e130060
BUG: Fix concat of frames with extension types (no reindexed columns)
jorisvandenbossche May 23, 2020
ea33cfd
Merge remote-tracking branch 'upstream/master' into EA-concat-frame
jorisvandenbossche May 23, 2020
f83338a
clean-up
jorisvandenbossche May 23, 2020
5822694
fix concat of DatetimeBlock / DatetimeTZBlock to not take 'uniform' path
jorisvandenbossche May 23, 2020
3d32bc8
fix base extension tests
jorisvandenbossche May 23, 2020
951e356
Merge remote-tracking branch 'upstream/master' into EA-concat-frame
jorisvandenbossche Jun 6, 2020
d269229
fix test
jorisvandenbossche Jun 6, 2020
63a6570
add whatsnew
jorisvandenbossche Jun 6, 2020
e731802
Merge remote-tracking branch 'upstream/master' into EA-concat-frame
jorisvandenbossche Jun 15, 2020
d8faef5
update whatsnew
jorisvandenbossche Jun 15, 2020
2e1f1a6
Update doc/source/whatsnew/v1.1.0.rst
jorisvandenbossche Jun 18, 2020
94fe89d
Merge remote-tracking branch 'upstream/master' into EA-concat-frame
jorisvandenbossche Jun 18, 2020
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Update doc/source/whatsnew/v1.1.0.rst 
Co-authored-by: Tom Augspurger <TomAugspurger@users.noreply.github.com>
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@jorisvandenbossche @TomAugspurger
jorisvandenbossche and TomAugspurger authored Jun 18, 2020
commit 2e1f1a6bb7c0d265843dc8034fa56b7838c09f52
2 changes: 1 addition & 1 deletion doc/source/whatsnew/v1.1.0.rst
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Expand Up @@ -293,7 +293,7 @@ Other enhancements
- :meth:`groupby.transform` now allows ``func`` to be ``pad``, ``backfill`` and ``cumcount`` (:issue:`31269`).
- :meth:`~pandas.io.json.read_json` now accepts `nrows` parameter. (:issue:`33916`).
- :meth `~pandas.io.gbq.read_gbq` now allows to disable progress bar (:issue:`33360`).
- :func:`concat` and `~DataFrame.append` now preserve extension dtypes, for example
- :func:`concat` and :meth:`~DataFrame.append` now preserve extension dtypes, for example
combining a nullable integer column with a numpy integer column will no longer
result in object dtype but preserve the integer dtype (:issue:`33607`, :issue:`34339`).
- :meth:`~pandas.io.gbq.read_gbq` now supports the ``max_results`` kwarg from ``pandas-gbq`` (:issue:`34639`).
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