Function polars_core::frame::hash_join::private_left_join_multiple_keys

pub fn private_left_join_multiple_keys(
    a: &DataFrame,
    b: &DataFrame,
    chunk_mapping_left: Option<&[ChunkId]>,
    chunk_mapping_right: Option<&[ChunkId]>
) -> LeftJoinIds

Available on crate feature private only.