dongjoon-hyun 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_r309912010
##########
File path:
sql/catalyst/src/test/scala/org/apache/spark/sql/catalyst/expressions/CastSuite.scala
##########
@@ -1023,4 +1023,26 @@ class CastSuite extends SparkFunSuite with
ExpressionEvalHelper {
checkEvaluation(ret, InternalRow(null))
}
}
+
+ test("SPARK-27768 process infinity, -infinity , nan in case insensitive
manner") {
Review comment:
Actually, this is not a bug. Instead, this is a behavior change for
PostgreSQL compatibility.
Previously, Spark works like Java/Scala/Hive.
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