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BUG: Index string ops ignores the order #10083

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sinhrks opened this issue May 8, 2015 · 3 comments
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BUG: Index string ops ignores the order #10083

sinhrks opened this issue May 8, 2015 · 3 comments
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Strings String extension data type and string data
Milestone
0.16.1

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@sinhrks
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sinhrks commented May 8, 2015

Series (OK)

s = pd.Series(['A', 'B'])
'x' + s
#0    xA
#1    xB
# dtype: object

s + 'y'
#0    Ay
#1    By
# dtype: object

Index (NG)

idx = pd.Index(['A', 'B'])

# NG
'x' + idx
# Index([u'Ax', u'Bx'], dtype='object')

# OK
idx + 'y'
# Index([u'Ay', u'By'], dtype='object')
@sinhrks sinhrks added the Strings String extension data type and string data label May 8, 2015
@shoyer
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shoyer commented May 8, 2015

@mortada has a fix for this here: #10021

@jreback jreback added this to the 0.16.1 milestone May 8, 2015
@mortada mortada mentioned this issue May 8, 2015
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@jreback
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jreback commented May 8, 2015

closed by #10021

@jreback jreback closed this as completed May 8, 2015
@sinhrks
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sinhrks commented May 8, 2015

Great! I've missed the PR...

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Strings String extension data type and string data
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0.16.1
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ENH: support __radd__ operation on Index mortada/pandas
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@jreback @shoyer @sinhrks