Function polars_io::csv::write::new_serializer

source · [−]
pub fn new_serializer(
    array: &'a (dyn Array + 'a), 
    options: &'a SerializeOptions
) -> Result<Box<dyn StreamingIterator<Item = [u8]> + 'a, Global>, Error>
Available on crate feature csv-file only.
Expand description

Returns a StreamingIterator that yields &[u8] serialized from array according to options. For numeric types, this serializes as usual. For dates, times and timestamps, it uses options to Supported types:

  • boolean
  • numeric types (i.e. floats, int, uint)
  • times and dates
  • naive timestamps (timestamps without timezone information)

Error

This function errors if any of the logical types in batch is not supported.