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Fix Index.repeat for datetime64 types #15722

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merged 3 commits into from
May 14, 2024
Merged

Fix Index.repeat for datetime64 types #15722

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f2094d4
Fix Index.repeat for datetime64
galipremsagar May 10, 2024
2161d35
Merge remote-tracking branch 'upstream/branch-24.06' into 15720
galipremsagar May 14, 2024
48e2cc5
Add separate DatetimeIndex.repeat
galipremsagar May 14, 2024
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5 changes: 4 additions & 1 deletion python/cudf/cudf/core/index.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1515,9 +1515,12 @@ def argsort(
)

def repeat(self, repeats, axis=None):
return self._from_columns_like_self(
res = self._from_columns_like_self(
Frame._repeat([*self._columns], repeats, axis), self._column_names
)
if isinstance(res, DatetimeIndex):
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res._freq = None
return res

@_cudf_nvtx_annotate
def where(self, cond, other=None, inplace=False):
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5 changes: 4 additions & 1 deletion python/cudf/cudf/core/indexed_frame.py
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Original file line number Diff line number Diff line change
Expand Up @@ -4871,13 +4871,16 @@ def repeat(self, repeats, axis=None):
1 2
dtype: int64
"""
return self._from_columns_like_self(
res = self._from_columns_like_self(
Frame._repeat(
[*self._index._data.columns, *self._columns], repeats, axis
),
self._column_names,
self._index_names,
)
if isinstance(res.index, cudf.DatetimeIndex):
res.index._freq = None
return res

def astype(
self,
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14 changes: 14 additions & 0 deletions python/cudf/cudf/tests/test_index.py
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Original file line number Diff line number Diff line change
Expand Up @@ -3251,3 +3251,17 @@ def test_Index_init_with_nans():
assert gi.dtype == np.dtype("float64")
pi = pd.Index([1, 2, 3, np.nan])
assert_eq(pi, gi)


def test_index_datetime_repeat():
gidx = cudf.date_range("2021-01-01", periods=3, freq="D")
pidx = gidx.to_pandas()

actual = gidx.repeat(5)
expected = pidx.repeat(5)

assert_eq(actual, expected)

actual = gidx.to_frame().repeat(5)

assert_eq(actual.index, expected)
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