PedroCorreiaLuis commented on pull request #26319:
URL: https://github.com/apache/spark/pull/26319#issuecomment-720675875
> I agree with avoiding the compilation error. On the other hand, I think
that we need to provide the better error message regarding the following case
by seeing `Character.isJavaIdentifier()`, too.
>
> WDYT?
>
> ```
> case class Foo(`1+something`: String)
> val test = Seq(Foo("HelloWorld!")).toDS()
> ```
Not sure if I followed what you are proposing, since we can't do that test
because it fails compilation, can you please explain it again?
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