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private_left_join_multiple_keys

polars_python::prelude

Function private_left_join_multiple_keys 

Source 
pub fn private_left_join_multiple_keys(
    a: &[Column],
    b: &[Column],
    nulls_equal: bool,
) -> Result<(Either<Vec<u32>, Vec<ChunkId>>, Either<Vec<NullableIdxSize>, Vec<ChunkId>>), PolarsError>