chunweilei commented on a change in pull request #1655: [CALCITE-3387] Query
with GROUP BY and JOIN ... USING wrongly fails with "Column DEPTNO is
ambiguous" error
URL: https://github.com/apache/calcite/pull/1655#discussion_r358751132
##########
File path:
core/src/main/java/org/apache/calcite/sql/validate/SqlValidatorImpl.java
##########
@@ -5389,6 +5435,16 @@ protected void validateFeature(
assert feature.getProperties().get("FeatureDefinition") != null;
}
+ public SqlNode expandSelectExpr(SqlNode expr,
+ SelectScope scope, SqlSelect select) {
+ final Expander expander = new SelectExpander(this, scope, select);
+ SqlNode newExpr = expr.accept(expander);
Review comment:
Will do.
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