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Add a test for issue 12773 #14529

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merged 5 commits into from
Dec 8, 2023
+20 −1
Merged

Add a test for issue 12773 #14529

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d37d776
add test
vyasr Nov 29, 2023
a16fc7b
Fix module name
vyasr Nov 30, 2023
8361b60
Actually test output
vyasr Dec 7, 2023
82eebb2
Merge branch 'branch-24.02' into test/issue_12773
wence- Dec 7, 2023
b14abd1
Merge branch 'branch-24.02' into test/issue_12773
vyasr Dec 7, 2023
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13 changes: 12 additions & 1 deletion python/dask_cudf/dask_cudf/tests/test_join.py
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Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
# Copyright (c) 2019-2022, NVIDIA CORPORATION.
# Copyright (c) 2019-2023, NVIDIA CORPORATION.

from functools import partial

Expand Down Expand Up @@ -359,3 +359,14 @@ def test_single_partition():
m2 = dleft.merge(right, how="inner")
assert len(m2.dask) < len(dleft.dask) * 3
assert len(m2) == 100


def test_issue_12773():
# https://github.com/rapidsai/cudf/issues/12773
df1 = cudf.DataFrame({"a": ["a", "b"], "b": [1, 2]})
df2 = cudf.DataFrame({"a": ["a", "c"], "b": [2, 3]})

ddf1 = dd.from_cudf(df1, npartitions=2).set_index("a")
ddf2 = dd.from_cudf(df2, npartitions=2).set_index("a")

ddf1.merge(ddf2, left_index=True, right_index=True, how="left").compute()
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