Re: [I] bug: upper and lower not compatible with Spark for international character sets [datafusion-comet]

["andygrove (via GitHub)" <gi...@apache.org>]

andygrove commented on issue #483:
URL: https://github.com/apache/datafusion-comet/issues/483#issuecomment-2265957745

   Here is another example:
   
   ```
   First difference at row 95:
   Spark: `Ჹ퓎墡勝䴿㿣䧛㰏,Ჹ퓎墡勝䴿㿣䧛㰏`
   Comet: `Ჹ퓎墡勝䴿㿣䧛㰏,ჹ퓎墡勝䴿㿣䧛㰏`
   ```
   
   Java has locale-specific behavior for converting to upper and lower case, and Rust does not. We cannot expect them to produce the same results in all cases.


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