neilconway opened a new issue, #10009:
URL: https://github.com/apache/arrow-rs/issues/10009

   **Describe the bug**
   When parsing decimal values, `parse_decimal` (correctly) treats empty 
strings as invalid input.
   
   When casting string values to decimal, `parse_string_to_decimal_native` 
treated an empty string as valid input, resulting in a decimal with a value of 
0.
   
   **To Reproduce**
   
   **Expected behavior**
   `parse_string_to_decimal_native` should reject empty strings as malformed 
input, both for consistency with `parse_decimal` and because an empty string is 
not a valid number. This would also be consistent with the parsing/cast 
behavior for string -> float.
   
   **Additional context**


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