FrankChen021 commented on code in PR #5283:
URL: https://github.com/apache/calcite/pull/5283#discussion_r4115155708
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core/src/main/java/org/apache/calcite/rex/RexShuttle.java:
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@@ -163,15 +163,30 @@ protected RexNode[] visitArray(RexNode[] exprs, boolean
@Nullable [] update) {
*/
protected List<RexNode> visitList(
Review Comment:
Updated the Javadoc to say it returns a list and may return `exprs` itself
when unchanged and immutable.
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