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Enable creating Index from list like 'Index([1, 2, 3])' #986

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merged 4 commits into from
Nov 4, 2019
Merged

Enable creating Index from list like 'Index([1, 2, 3])' #986

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d7b8961
Enable Index([1, 2, 3])
itholic Oct 31, 2019
a10e510
Put back unnecessary change
itholic Oct 31, 2019
9dcdea3
add parameter & add them docs
itholic Nov 1, 2019
a060210
arrange parameter order
itholic Nov 2, 2019
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10 changes: 9 additions & 1 deletion databricks/koalas/indexes.py
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Original file line number Diff line number Diff line change
Expand Up @@ -60,9 +60,17 @@ class Index(IndexOpsMixin):

>>> ks.DataFrame({'a': [1, 2, 3]}, index=list('abc')).index
Index(['a', 'b', 'c'], dtype='object')

>>> Index([1, 2, 3])
Int64Index([1, 2, 3], dtype='int64')

>>> Index(list('abc'))
Index(['a', 'b', 'c'], dtype='object')
"""

def __init__(self, kdf: DataFrame, scol: Optional[spark.Column] = None) -> None:
def __init__(self, kdf_or_names: Union[DataFrame, list],
scol: Optional[spark.Column] = None) -> None:
kdf = DataFrame(index=kdf_or_names) if isinstance(kdf_or_names, list) else kdf_or_names
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if scol is None:
scol = kdf._internal.index_scols[0]
internal = kdf._internal.copy(scol=scol,
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