yyanyy commented on a change in pull request #1747:
URL: https://github.com/apache/iceberg/pull/1747#discussion_r530745897
##########
File path: api/src/main/java/org/apache/iceberg/expressions/Expressions.java
##########
@@ -123,6 +123,22 @@ public static Expression not(Expression child) {
return new UnboundPredicate<>(Expression.Operation.NOT_NULL, expr);
}
+ public static <T> UnboundPredicate<T> isNaN(String name) {
+ return new UnboundPredicate<>(Expression.Operation.IS_NAN, ref(name));
+ }
+
+ public static <T> UnboundPredicate<T> isNaN(UnboundTerm<T> expr) {
+ return new UnboundPredicate<>(Expression.Operation.IS_NAN, expr);
+ }
+
+ public static <T> UnboundPredicate<T> notNaN(String name) {
+ return new UnboundPredicate<>(Expression.Operation.NOT_NAN, ref(name));
+ }
+
+ public static <T> UnboundPredicate<T> notNaN(UnboundTerm<T> expr) {
+ return new UnboundPredicate<>(Expression.Operation.NOT_NAN, expr);
+ }
Review comment:
Thank you for the explanation! I think now I understand the full
picture. I think I've addressed everything except for rewriting in
`SparkFilters` and other engines, which I think this PR is already too big so
I'll submit a separate PR for it (likely next week).
----------------------------------------------------------------
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
For queries about this service, please contact Infrastructure at:
[email protected]
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
