pub fn column_iter_to_arrays<'a, I: 'a>(
    columns: Vec<I>,
    types: Vec<&PrimitiveType>,
    field: Field,
    chunk_size: usize
) -> Result<ArrayIter<'a>> where
    I: DataPages
Available on crate feature io_parquet only.
Expand description

An iterator adapter that maps multiple iterators of DataPages into an iterator of Arrays.

The arrays are guaranteed to be at most of size chunk_size and data type field.data_type.