Omega359 opened a new issue, #5303:
URL: https://github.com/apache/arrow-rs/issues/5303

   This is related to https://github.com/apache/arrow-datafusion/issues/5398 
where functions for parsing string -> datetime and string -> nanos would be 
added to include a second 'format' parameter. The format would be a chrono 
format (https://docs.rs/chrono/latest/chrono/format/strftime/index.html) and 
would return an Err if the string couldn't be parsed with the provided format.
   
   The proposed two new functions that would be added would be :
   * ```pub fn string_to_datetime_formatted<T: TimeZone>(timezone: &T, s: &str, 
format: &str) -> Result<DateTime<T>, ArrowError>```  (mirrors the existing 
string_to_datetime function)
   * ```pub fn string_to_timestamp_nanos_formatted(s: &str, format: &str) -> 
Result<i64, ArrowError>```  (mirrors the existing string_to_timestamp_nanos 
function)
   
   In addition, for completeness all the existing Parser implementations in 
that file would be updated to include a 'parse_formatted' implementation where 
missing.


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