jun-he commented on a change in pull request #357: Add in and not in predicates
URL: https://github.com/apache/incubator-iceberg/pull/357#discussion_r315006503
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File path: api/src/main/java/org/apache/iceberg/expressions/Literals.java
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@@ -109,6 +110,26 @@ public T value() {
public String toString() {
return String.valueOf(value);
}
+
+ @Override
+ @SuppressWarnings("unchecked")
+ public boolean equals(Object other) {
Review comment:
Currently, it has been used in two places.
- In the factory methods in Expressions, when a collection is passed into
`in` or `not_in`, they will be converted to Literal and then to a Set.
- In binding, after all literals in Unbound Predicate is converted to the
type, it is used for deduplication.
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