beliefer opened a new pull request #35831:
URL: https://github.com/apache/spark/pull/35831


   ### What changes were proposed in this pull request?
   Currently, Spark choose `DecimalFormat` as the underlying implementation.
   because `DecimalFormat` have better compatibility, so ToNumber could have 
the better compatibility than it in some database (e.g. Oracle).
   
   
   ### Why are the changes needed?
   Explain why ToNumber have the better compatibility.
   
   
   ### Does this PR introduce _any_ user-facing change?
   'No'. New feature.
   
   
   ### How was this patch tested?
   No need.
   


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