carloea2 commented on code in PR #4024:
URL: https://github.com/apache/texera/pull/4024#discussion_r2531368854
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common/workflow-core/src/main/scala/org/apache/amber/core/tuple/AttributeTypeUtils.scala:
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@@ -387,6 +387,136 @@ object AttributeTypeUtils extends Serializable {
}
}
+ /** Three-way compare for the given attribute type.
+ * Returns < 0 if left < right, > 0 if left > right, 0 if equal.
+ * Null semantics: null < non-null (both null => 0).
+ */
+ @throws[UnsupportedOperationException]
+ def compare(left: Any, right: Any, attrType: AttributeType): Int =
+ (left, right) match {
+ case (null, null) => 0
+ case (null, _) => -1
+ case (_, null) => 1
+ case _ =>
+ attrType match {
+ case AttributeType.INTEGER =>
+ java.lang.Integer.compare(
+ left.asInstanceOf[Number].intValue(),
+ right.asInstanceOf[Number].intValue()
+ )
+ case AttributeType.LONG =>
+ java.lang.Long.compare(
+ left.asInstanceOf[Number].longValue(),
+ right.asInstanceOf[Number].longValue()
+ )
+ case AttributeType.DOUBLE =>
+ java.lang.Double.compare(
+ left.asInstanceOf[Number].doubleValue(),
+ right.asInstanceOf[Number].doubleValue()
+ ) // handles ±Inf/NaN per JDK
Review Comment:
Done
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