join#
- cudf._lib.pylibcudf.join.cross_join(Table left, Table right) Table#
Perform a cross join on two tables.
For details see
cross_join().- Parameters:
- leftTable
The left table to join.
- right: Table
The right table to join.
- Returns:
- Table
The result of cross joining the two inputs.
- cudf._lib.pylibcudf.join.full_join(Table left_keys, Table right_keys, null_equality nulls_equal) tuple#
Perform a full join between two tables.
For details, see
full_join().- Parameters:
- left_keysTable
The left table to join.
- right_keysTable
The right table to join.
- nulls_equalNullEquality
Should nulls compare equal?
- Returns:
- Tuple[Column, Column]
A tuple containing the row indices from the left and right tables after the join.
- cudf._lib.pylibcudf.join.inner_join(Table left_keys, Table right_keys, null_equality nulls_equal) tuple#
Perform an inner join between two tables.
For details, see
inner_join().- Parameters:
- left_keysTable
The left table to join.
- right_keysTable
The right table to join.
- nulls_equalNullEquality
Should nulls compare equal?
- Returns:
- Tuple[Column, Column]
A tuple containing the row indices from the left and right tables after the join.
- cudf._lib.pylibcudf.join.left_anti_join(Table left_keys, Table right_keys, null_equality nulls_equal) Column#
Perform a left anti join between two tables.
For details, see
left_anti_join().- Parameters:
- left_keysTable
The left table to join.
- right_keysTable
The right table to join.
- nulls_equalNullEquality
Should nulls compare equal?
- Returns:
- Column
A column containing the row indices from the left table after the join.
- cudf._lib.pylibcudf.join.left_join(Table left_keys, Table right_keys, null_equality nulls_equal) tuple#
Perform a left join between two tables.
For details, see
left_join().- Parameters:
- left_keysTable
The left table to join.
- right_keysTable
The right table to join.
- nulls_equalNullEquality
Should nulls compare equal?
- Returns:
- Tuple[Column, Column]
A tuple containing the row indices from the left and right tables after the join.
- cudf._lib.pylibcudf.join.left_semi_join(Table left_keys, Table right_keys, null_equality nulls_equal) Column#
Perform a left semi join between two tables.
For details, see
left_semi_join().- Parameters:
- left_keysTable
The left table to join.
- right_keysTable
The right table to join.
- nulls_equalNullEquality
Should nulls compare equal?
- Returns:
- Column
A column containing the row indices from the left table after the join.