NobiGo commented on code in PR #4713:
URL: https://github.com/apache/calcite/pull/4713#discussion_r2654660596
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core/src/main/java/org/apache/calcite/sql/validate/SelectScope.java:
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@@ -222,4 +222,15 @@ public boolean existingWindowName(String winName) {
public void setExpandedSelectList(@Nullable List<SqlNode> selectList) {
expandedSelectList = selectList;
}
+
+ @Override public boolean isWithin(SqlValidatorScope scope2) {
+ if (this == scope2) {
+ return true;
+ }
+ // go from the JOIN to the enclosing SELECT
+ if (scope2 instanceof JoinScope) {
Review Comment:
According to the test cases, yes. This method corresponds to the `isWithin`
method in `JoinScope`.
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