Function write_partitioned_dataset

pub fn write_partitioned_dataset<I, S, W>(
    df: &mut DataFrame,
    path: &Path,
    partition_by: I,
    file_write_options: &W,
    chunk_size: usize,
) -> PolarsResult<()>
where
    I: IntoIterator<Item = S>,
    S: Into<PlSmallStr>,
    W: WriteDataFrameToFile + Send + Sync,

Available on crate feature parquet only.

Write a partitioned parquet dataset. This functionality is unstable.