iRakson commented on a change in pull request #26933: [SPARK-30292][SQL]Throw
Exception when invalid string is cast to numeric type in ANSI mode
URL: https://github.com/apache/spark/pull/26933#discussion_r364179887
##########
File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/Cast.scala
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@@ -1473,6 +1543,22 @@ abstract class CastBase extends UnaryExpression with
TimeZoneAwareExpression wit
private[this] def castToFloatCode(from: DataType, ctx: CodegenContext):
CastFunction = {
from match {
+ case StringType if ansiEnabled =>
+ val floatStr = ctx.freshVariable("floatStr", StringType)
+ (c, evPrim, evNull) =>
+ code"""
+ final String $floatStr = $c.toString();
+ try {
+ $evPrim = Float.valueOf($floatStr);
+ } catch (java.lang.NumberFormatException e) {
+ final Float f = (Float)
Cast.processFloatingPointSpecialLiterals($floatStr, true);
+ if (f == null) {
Review comment:
Done
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