szehon-ho commented on code in PR #7898:
URL: https://github.com/apache/iceberg/pull/7898#discussion_r1247550348
##########
spark/v3.4/spark/src/main/java/org/apache/iceberg/spark/SparkV2Filters.java:
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@@ -289,11 +311,28 @@ private static Object convertLiteral(Literal<?> literal) {
return literal.value();
}
- private static Expression handleEqual(String attribute, Object value) {
- if (NaNUtil.isNaN(value)) {
- return isNaN(attribute);
+ private static UnboundPredicate<Object>
handleEqual(Pair<UnboundTerm<Object>, Object> children) {
+ if (children.second() == null) {
+ return isNull(children.first());
+ }
+
+ if (NaNUtil.isNaN(children.second())) {
+ return isNaN(children.first());
+ } else {
+ return equal(children.first(), children.second());
+ }
+ }
+
+ private static UnboundPredicate<Object> handleNotEqual(
Review Comment:
Sorry for not mentioning earlier, but can we make these two methods take not
a Pair, but actual arguments, so this method itself is easier to read?
Then just invoke in the caller: , handle[Not]Equal(children.first(),
children.second())
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