mayankshriv commented on a change in pull request #4535: Implement DISTINCT
clause
URL: https://github.com/apache/incubator-pinot/pull/4535#discussion_r315321493
##########
File path:
pinot-core/src/main/java/org/apache/pinot/core/plan/TransformPlanNode.java
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@@ -124,6 +143,10 @@ public TransformOperator run() {
return new TransformOperator(_projectionPlanNode.run(), new
ArrayList<>(_expressionTrees));
}
+ public List<FieldSpec.DataType> getProjectedColumnTypes() {
Review comment:
This should come from metadata, and not from PlanNode, right?
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