xuzifu666 commented on code in PR #5052:
URL: https://github.com/apache/calcite/pull/5052#discussion_r3487025840
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core/src/main/java/org/apache/calcite/sql/validate/SqlValidatorImpl.java:
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@@ -5599,6 +5601,11 @@ protected RelDataType validateSelectList(final
SqlNodeList selectItems,
// First pass, ensure that aliases are unique. "*" and "TABLE.*" items
// are ignored.
+ // Rewrite scalar sub-queries whose single select item is an aggregate
+ // over outer columns. The aggregate belongs to the outer query per SQL
+ // standard.
+ rewriteOuterAggregatesInSelectList(select);
Review Comment:
Yes, the latest commit implements controls in this area.
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