mayankshriv commented on a change in pull request #4535: Implement DISTINCT
clause
URL: https://github.com/apache/incubator-pinot/pull/4535#discussion_r319190135
##########
File path:
pinot-core/src/main/java/org/apache/pinot/core/plan/TransformPlanNode.java
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@@ -124,6 +143,14 @@ public TransformOperator run() {
return new TransformOperator(_projectionPlanNode.run(), new
ArrayList<>(_expressionTrees));
}
+ FieldSpec.DataType[] getProjectedColumnTypes() {
Review comment:
These api's don't seem to belong in TransformPlanNode. One option is to get
it from metadata in projection block, or get it from the index-segment
(preferred).
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