FrankChen021 commented on code in PR #5283:
URL: https://github.com/apache/calcite/pull/5283#discussion_r4115157201
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core/src/main/java/org/apache/calcite/sql/util/SqlShuttle.java:
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@@ -100,24 +108,23 @@ public class SqlShuttle extends SqlBasicVisitor<@Nullable
SqlNode> {
*/
protected class CallCopyingArgHandler implements ArgHandler<@Nullable
SqlNode> {
Review Comment:
Updated the class Javadoc: a new call is created only when an operand
changes or `alwaysCopy` is true.
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