tustvold commented on issue #5303:
URL: https://github.com/apache/arrow-rs/issues/5303#issuecomment-1892515580

   A few points:
   
   * The current logic is quite highly optimised, we need to be careful not to 
introduce any performance regressions
   * There are a couple of known bugs with the chrono format strings where the 
parser is overly permissive - https://github.com/chronotope/chrono/issues/332
   * Timestamp parsing, especially timezones is very fiddly. I would request we 
keep code changes small, as it is very easy to subtly break things
   
   Overall I am rather lukewarm on this functionality, but I will endeavour to 
review well tested and focused changes to this logic


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