xndai commented on a change in pull request #1963:
URL: https://github.com/apache/calcite/pull/1963#discussion_r421940125
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File path: core/src/main/java/org/apache/calcite/materialize/Lattice.java
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@@ -513,11 +513,11 @@ public boolean isAlwaysMeasure(Column column) {
}
Vertex getTarget() {
- return (Vertex) target;
+ return target;
Review comment:
Can we just make source() and target() base class methods? So these can
be removed.
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