Github user sarutak commented on the pull request:
https://github.com/apache/spark/pull/2816#issuecomment-60035199
@yhuai Thanks for pointing. Actually we cannot still move it out from
ignore because 92233720368547758061.2 is BigDecimal type but num_str + 1.2 is
Double type so comparing fails.
In Spark SQL, floating-point-number literal is represented as Double type
and arithmetic operation one of which operand is String results Double type.
I think we need another discussion for the type of floating-point-number
literal and implicit cast.
I'll open another PR.
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