8000 BUG: concat not copying index and columns when copy=True by fujiaxiang · Pull Request #31119 · pandas-dev/pandas · GitHub
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BUG: concat not copying index and columns when copy=True #31119

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Merged
merged 11 commits into from
Jan 21, 2020
Merged

BUG: concat not copying index and columns when copy=True #31119

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68d7a11
BUG: concat not copying index and columns when copy=True (GH29879)
fujiaxiang Jan 18, 2020
1125589
Update pandas/tests/reshape/test_concat.py
fujiaxiang Jan 18, 2020
71b6117
BUG: updated tests and whatsnew (GH29879)
fujiaxiang Jan 18, 2020
4277e59
Merge branch 'master' into concat_index_not_copied
fujiaxiang Jan 18, 2020
05480b4
Merge remote-tracking branch 'upstream/master' into concat_index_not_…
fujiaxiang Jan 18, 2020
c69ec7d
Merge remote-tracking branch 'upstream/master' into concat_index_not_…
fujiaxiang Jan 18, 2020
60b7e84
Merge remote-tracking branch 'upstream/master' into concat_index_not_…
fujiaxiang Jan 18, 2020
38c1a2f
BUG: refactored code (GH29879)
fujiaxiang Jan 19, 2020
c5db0cc
BUG: updated details in a comment (GH29879)
fujiaxiang Jan 19, 2020
1515351
CLN: cleaned up code and comment (GH29879)
fujiaxiang Jan 21, 2020
c35c59f
Merge remote-tracking branch 'upstream/master' into concat_index_not_…
fujiaxiang Jan 21, 2020
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BUG: updated details in a comment (GH29879)
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fujiaxiang committed Jan 19, 2020
commit c5db0ccdba395ccc6ce4e21b09522d4471d32cc8
3 changes: 2 additions & 1 deletion pandas/core/indexes/api.py
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Expand Up @@ -153,7 +153,8 @@ def _get_combined_index(

# GH 29879
if copy:
# No need for deep copy. Indexes are immutable so they can share underlying data
# No need for deep copy. The underlying data of Indexes are
# considered immutable so they can be shared
index = index.copy(deep=False)

return index
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