Function polars::export::arrow::compute::cast::timestamp_to_utf8

pub fn timestamp_to_utf8<O>(
    from: &PrimitiveArray<i64>, 
    time_unit: TimeUnit, 
    timezone_str: &str
) -> Result<Utf8Array<O>, ArrowError> where
    O: Offset, 

This is supported on crate feature compute_cast only.

Returns a Utf8Array where every element is the utf8 representation of the timestamp in the rfc3339 format.