8000 [REVIEW] Update docstring of `DataFrame.merge` [skip ci] by galipremsagar · Pull Request #9572 · rapidsai/cudf · GitHub
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[REVIEW] Update docstring of DataFrame.merge [skip ci] #9572

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Nov 1, 2021
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[REVIEW] Update docstring of DataFrame.merge [skip ci] #9572

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f95106d
updates docs
galipremsagar Nov 1, 2021
a9f7369
update docs
galipremsagar Nov 1, 2021
9c158b8
Update python/cudf/cudf/core/dataframe.py
galipremsagar Nov 1, 2021
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11 changes: 9 additions & 2 deletions python/cudf/cudf/core/dataframe.py
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Original file line number Diff line number Diff line change
Expand Up @@ -3748,16 +3748,23 @@ def merge(
If on is None and not merging on indexes then
this defaults to the intersection of the columns
in both DataFrames.
how : {‘left’, ‘outer’, ‘inner’}, default ‘inner’
how : {‘left’, ‘outer’, ‘inner’, 'leftsemi', 'leftanti'}, \
default ‘inner’
Type of merge to be performed.

- left : use only keys from left frame, similar to a SQL left
outer join.
- right : not supported.
- outer : use union of keys from both frames, similar to a SQL
full outer join.
- inner: use intersection of keys from both frames, similar to
- inner : use intersection of keys from both frames, similar to
a SQL inner join.
- leftsemi : similar to ``inner`` join, but only returns columns
from the left dataframe and ignores all columns from the
right dataframe.
- leftanti : returns only rows columns from the left dataframe
for non-matched records. This is exact opposite to ``leftsemi``
join.
left_on : label or list, or array-like
Column or index level names to join on in the left DataFrame.
Can also be an array or list of arrays of the length of the
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