deserialize_batch

arrow2::io::csv::read

Function deserialize_batch 

Source 
pub fn deserialize_batch<F>(
    rows: &[ByteRecord],
    fields: &[Field],
    projection: Option<&[usize]>,
    line_number: usize,
    deserialize_column: F,
) -> Result<Chunk<Box<dyn Array>>>
where
    F: Fn(&[ByteRecord], usize, DataType, usize) -> Result<Box<dyn Array>>,
Available on (crate features io_csv_read or io_csv_read_async or io_csv_write) and crate feature io_csv_read only.
Expand description

Deserializes rows ByteRecord into a Chunk. Note that this is a convenience function: column deserialization is trivially parallelizable (e.g. rayon).