lancelly commented on code in PR #14148:
URL: https://github.com/apache/iotdb/pull/14148#discussion_r1862857899
##########
iotdb-core/datanode/src/main/java/org/apache/iotdb/db/queryengine/plan/relational/planner/ExpressionExtractor.java:
##########
@@ -73,13 +75,12 @@ public Void visitPlan(PlanNode node, Void context) {
return null;
}
- /*@Override
- public Void visitGroupReference(GroupReference node, Void context)
- {
- return lookup.resolve(node).accept(this, context);
+ @Override
+ public Void visitGroupReference(GroupReference node, Void context) {
+ return lookup.resolve(node).accept(this, context);
}
- @Override
+ /*@Override
Review Comment:
visitAggregation is not removed, its already commented out previously. For
now, ExpressionExtractor is used by SymbolExtractor to extractor symbols for
optimizing phase.
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