dilipbiswal commented on a change in pull request #25331: [SPARK-27768][SQL]
Infinity, -Infinity, NaN should be recognized in a case insensitive manner.
URL: https://github.com/apache/spark/pull/25331#discussion_r312342690
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File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/Cast.scala
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@@ -192,6 +193,18 @@ object Cast {
}
def resolvableNullability(from: Boolean, to: Boolean): Boolean = !from || to
+
+ def processFloatingPointSpecialLiterals(v: String, isFloat: Boolean): Any = {
Review comment:
@viirya Does this look ok ?
We process literals such as 'Infinity', 'Inf', '-Infinity' and 'NaN' in case
insensitive manner to be compatible with other database systems such as
Postgres and DB2.
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