polars_python::prelude

Function private_left_join_multiple_keys

Source 
pub fn private_left_join_multiple_keys(
    a: &DataFrame,
    b: &DataFrame,
    join_nulls: bool,
) -> Result<(Either<Vec<u32>, Vec<ChunkId>>, Either<Vec<NullableIdxSize>, Vec<ChunkId>>), PolarsError>