dongjoon-hyun commented on a change in pull request #25331: [SPARK-27768][SQL]
Support Infinity/NaN-related float/double literals case-insensitively
URL: https://github.com/apache/spark/pull/25331#discussion_r313193274
##########
File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/Cast.scala
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@@ -1259,48 +1284,66 @@ case class Cast(child: Expression, dataType: DataType,
timeZoneId: Option[String
(c, evPrim, evNull) => code"$evPrim = (long) $c;"
}
- private[this] def castToFloatCode(from: DataType): CastFunction = from match
{
- case StringType =>
- (c, evPrim, evNull) =>
- code"""
+ private[this] def castToFloatCode(from: DataType, ctx: CodegenContext):
CastFunction = {
+ from match {
+ case StringType =>
+ val floatStr = ctx.freshVariable("floatStr", StringType)
+ (c, evPrim, evNull) =>
+ code"""
+ final String $floatStr = $c.toString();
try {
- $evPrim = Float.valueOf($c.toString());
+ $evPrim = Float.valueOf($floatStr);
} catch (java.lang.NumberFormatException e) {
- $evNull = true;
+ Float f = (Float)
Cast.processFloatingPointSpecialLiterals($floatStr, true);
Review comment:
`Float` -> `final Float`?
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