cloud-fan commented on a change in pull request #25747: [SPARK-29039][SQL] 
centralize the catalog and table lookup logic
URL: https://github.com/apache/spark/pull/25747#discussion_r325484422
 
 

 ##########
 File path: 
sql/catalyst/src/main/java/org/apache/spark/sql/connector/catalog/TableChange.java
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 @@ -210,6 +213,20 @@ public String property() {
     public String value() {
       return value;
     }
+
+    @Override
+    public boolean equals(Object o) {
 
 Review comment:
   these `equal/hashCode` are useful in general and we need them in tests. 
These are generated by IDE, we can also implement these classes in Scala case 
class to get `equal/hashCode` for free.

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