Github user HyukjinKwon commented on a diff in the pull request: https://github.com/apache/spark/pull/17956#discussion_r116170510 --- Diff: sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/json/JacksonParser.scala --- @@ -126,16 +125,13 @@ class JacksonParser( case VALUE_STRING => // Special case handling for NaN and Infinity. - val value = parser.getText - val lowerCaseValue = value.toLowerCase(Locale.ROOT) - if (lowerCaseValue.equals("nan") || - lowerCaseValue.equals("infinity") || - lowerCaseValue.equals("-infinity") || - lowerCaseValue.equals("inf") || - lowerCaseValue.equals("-inf")) { - value.toFloat - } else { - throw new RuntimeException(s"Cannot parse $value as FloatType.") + parser.getText match { --- End diff -- Up to my knowledge, at least Python supports some case-insensitive cases. I would rather leave this working with options treating this as a variant. At least, I think we can say here it follows Scala + Jackson's standard.
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