siddharthteotia commented on a change in pull request #7830:
URL: https://github.com/apache/pinot/pull/7830#discussion_r764475919
##########
File path:
pinot-core/src/main/java/org/apache/pinot/core/query/request/context/QueryContext.java
##########
@@ -441,34 +442,40 @@ public QueryContext build() {
*/
private void generateAggregationFunctions(QueryContext queryContext) {
List<AggregationFunction> aggregationFunctions = new ArrayList<>();
- List<Pair<AggregationFunction, FilterContext>>
filteredAggregationFunctions = new ArrayList<>();
+ List<FilterContext> filteredAggregationFunctions = new ArrayList<>();
Map<FunctionContext, Integer> aggregationFunctionIndexMap = new
HashMap<>();
// Add aggregation functions in the SELECT clause
// NOTE: DO NOT deduplicate the aggregation functions in the SELECT
clause because that involves protocol change.
- List<FunctionContext> aggregationsInSelect = new ArrayList<>();
- List<Pair<FunctionContext, FilterContext>> filteredAggregations = new
ArrayList<>();
+ List<Pair<Boolean, FunctionContext>> aggregationsInSelect = new
ArrayList<>();
+ List<FilterContext> filteredAggregationContexts = new ArrayList<>();
for (ExpressionContext selectExpression :
queryContext._selectExpressions) {
- getAggregations(selectExpression, aggregationsInSelect,
filteredAggregations);
+ getAggregations(selectExpression, aggregationsInSelect,
+ filteredAggregationContexts);
}
- for (FunctionContext function : aggregationsInSelect) {
+ for (Pair<Boolean, FunctionContext> pair : aggregationsInSelect) {
+ FunctionContext function = pair.getRight();
int functionIndex = aggregationFunctions.size();
AggregationFunction aggregationFunction =
AggregationFunctionFactory.getAggregationFunction(function,
queryContext);
+
+
+ aggregationFunction.setFilteredAggregation(pair.getLeft());
+
aggregationFunctions.add(aggregationFunction);
+
aggregationFunctionIndexMap.put(function, functionIndex);
}
- for (Pair<FunctionContext, FilterContext> pair : filteredAggregations) {
- AggregationFunction aggregationFunction =
-
aggregationFunctions.get(aggregationFunctionIndexMap.get(pair.getLeft()));
- filteredAggregationFunctions.add(Pair.of(aggregationFunction,
pair.getRight()));
+ for (FilterContext filterContext : filteredAggregationContexts) {
Review comment:
Why do we need to create two lists for filtered aggregations ?
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