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docs(python): Reword "how" param docstring entry for 'semi' and 'anti' join types for clarity #17843

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Jul 24, 2024
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docs(python): Reword "how" param docstring entry for 'semi' and 'anti' join types for clarity #17843

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8 changes: 4 additions & 4 deletions py-polars/polars/dataframe/frame.py
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Original file line number Diff line number Diff line change
Expand Up @@ -6681,13 +6681,13 @@ def join(
Returns all rows from the right table, and the matched rows from the
left table
* *full*
Returns all rows when there is a match in either left or right table
Returns all rows when there is a match in either left or right table
* *cross*
Returns the Cartesian product of rows from both tables
Returns the Cartesian product of rows from both tables
* *semi*
Filter rows that have a match in the right table.
Returns rows from the left table that have a match in the right table.
* *anti*
Filter rows that do not have a match in the right table.
Returns rows from the left table that have no match in the right table.

.. note::
A left join preserves the row order of the left DataFrame.
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8 changes: 4 additions & 4 deletions py-polars/polars/lazyframe/frame.py
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Original file line number Diff line number Diff line change
Expand Up @@ -4074,13 +4074,13 @@ def join(
Returns all rows from the right table, and the matched rows from the
left table
* *full*
Returns all rows when there is a match in either left or right table
Returns all rows when there is a match in either left or right table
* *cross*
Returns the Cartesian product of rows from both tables
Returns the Cartesian product of rows from both tables
* *semi*
Filter rows that have a match in the right table.
Returns rows from the left table that have a match in the right table.
* *anti*
Filter rows that not have a match in the right table.
Returns rows from the left table that have no match in the right table.

.. note::
A left join preserves the row order of the left DataFrame.
Expand Down