cht42 commented on PR #7442:
URL: https://github.com/apache/arrow-rs/pull/7442#issuecomment-2828556881

   It is more intrusive when the target type is **string**. In that case it 
will use the raw string instead of null. For example 
   ```
   {"a": [1,2,3]}
   ```
   With target schema of `map<str, str>` will be decoded as 
   ```
   {"a": "[1,2,3]"}
   ```
   In spark. 
   
   
   For just fallback to null on parsing errors, 
https://github.com/apache/arrow-rs/issues/7230 is open that would handle that.


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