cndaimin commented on a change in pull request #1531: [CALCITE-3447]Fix
'equals' and 'hashcode' methods of class 'MutableScan'
URL: https://github.com/apache/calcite/pull/1531#discussion_r339392436
##########
File path: core/src/main/java/org/apache/calcite/rel/mutable/MutableScan.java
##########
@@ -36,11 +36,11 @@ public static MutableScan of(TableScan scan) {
@Override public boolean equals(Object obj) {
return obj == this
|| obj instanceof MutableScan
- && rel.equals(((MutableScan) obj).rel);
+ && rel.getTable().equals(((MutableScan) obj).rel.getTable());
}
Review comment:
Agree with you on this. However the method
`MaterializedViewSubstitutionVisitor.go` is declared public and the correctness
of the inner implementation should be ensured, I think.
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