Jackie-Jiang commented on a change in pull request #5605:
URL: https://github.com/apache/incubator-pinot/pull/5605#discussion_r445182136
##########
File path:
pinot-core/src/main/java/org/apache/pinot/core/query/reduce/GroupByDataTableReducer.java
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@@ -486,69 +447,44 @@ private void setGroupByResults(BrokerResponseNative
brokerResponseNative, boolea
finalResultMaps[i] = finalResultMap;
}
- int aggregationNumsInFinalResult = 0;
- for (int i = 0; i < _numAggregationFunctions; i++) {
- if (aggregationFunctionsSelectStatus[i]) {
- aggregationNumsInFinalResult++;
- }
- }
-
- if (aggregationNumsInFinalResult > 0) {
- String[] finalColumnNames = new String[aggregationNumsInFinalResult];
- Map<String, Comparable>[] finalOutResultMaps = new
Map[aggregationNumsInFinalResult];
- String[] finalResultTableAggNames = new
String[aggregationNumsInFinalResult];
- AggregationFunction[] finalAggregationFunctions = new
AggregationFunction[aggregationNumsInFinalResult];
- int count = 0;
- for (int i = 0; i < _numAggregationFunctions; i++) {
- if (aggregationFunctionsSelectStatus[i]) {
- finalColumnNames[count] = columnNames[i];
- finalOutResultMaps[count] = finalResultMaps[i];
- AggregationFunction aggregationFunction = _aggregationFunctions[i];
- finalResultTableAggNames[count] =
aggregationFunction.getResultColumnName();
- finalAggregationFunctions[count] = aggregationFunction;
- count++;
+ // Trim the final result maps and set them into the broker response.
+ AggregationGroupByTrimmingService aggregationGroupByTrimmingService =
+ new AggregationGroupByTrimmingService(_aggregationFunctions,
_queryContext.getLimit());
+ List<GroupByResult>[] groupByResultLists =
aggregationGroupByTrimmingService.trimFinalResults(finalResultMaps);
+
+ if (_responseFormatSql) {
Review comment:
Agree, but we have to keep this behavior for backward-compatibility.
Once we deprecate PQL semantic, all these checks will gone
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