libenchao commented on code in PR #3053:
URL: https://github.com/apache/calcite/pull/3053#discussion_r1111002622
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core/src/main/java/org/apache/calcite/sql/validate/SqlValidatorImpl.java:
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@@ -4474,6 +4474,21 @@ protected void validateWhereOrOn(
SqlNode condition,
String clause) {
validateNoAggs(aggOrOverOrGroupFinder, condition, clause);
+ // SqlSelect need to expand alias
+ condition.accept(new SqlShuttle() {
+ @Override public @Nullable SqlNode visit(SqlCall call) {
+ call.getOperandList()
+ .stream()
+ .filter(Objects::nonNull)
+ .forEach(node -> node.accept(this));
+ if (call.getKind() == SqlKind.SELECT) {
+ SqlSelect select = (SqlSelect) call;
+ validateHavingClause(select);
Review Comment:
`validateWhereOrOn` is used not only to validate `where` clause, is your
change also applies to `on` clause, is there any test covers this?
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