vidyasankarv commented on PR #383:
URL: https://github.com/apache/datafusion-comet/pull/383#issuecomment-2100732952

   This PR is still in progress. I added support for String to Date32. Do we 
have to support Date64 as well.
   
   * Spark supports dates in the format YYYY and YYYY-MM and DataFusion does 
not - supported now
   * Spark supports a trailing T as in 2024-01-01T and DataFusion does not - 
supported now
   * DataFusion doesn't throw an exception for invalid inputs in ANSI mode - 
returns error in ANSI mode if date cant be parsed.
   
   Hi  @parthchandra @andygrove  Can you please review if this is going in the 
right direction.
   
   Questions:
   * Need some pointers on fuzz tests. If I understand correctly 
   * "-0973250", "-3638-5" fuzz tests in Legacy mode should return values as 
mentioned https://github.com/apache/datafusion-comet/issues/327 - currently 
legacy mode returns null.
   
   


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