mayankshriv commented on a change in pull request #5635:
URL: https://github.com/apache/incubator-pinot/pull/5635#discussion_r446704654
##########
File path:
pinot-common/src/main/java/org/apache/pinot/pql/parsers/PinotQuery2BrokerRequestConverter.java
##########
@@ -83,15 +83,30 @@ private void convertOrderBy(PinotQuery pinotQuery,
BrokerRequest brokerRequest)
return;
}
List<SelectionSort> sortSequenceList = new ArrayList<>();
+ List<AggregationInfo> aggregationInfoList =
brokerRequest.getAggregationsInfo();
final List<Expression> orderByList = pinotQuery.getOrderByList();
for (Expression orderByExpr : orderByList) {
SelectionSort selectionSort = new SelectionSort();
//order by is always a function (ASC or DESC)
Function functionCall = orderByExpr.getFunctionCall();
selectionSort.setIsAsc(functionCall.getOperator().equalsIgnoreCase(OrderByAstNode.ASCENDING_ORDER));
-
selectionSort.setColumn(ParserUtils.standardizeExpression(functionCall.getOperands().get(0),
true));
+ Expression expression = functionCall.getOperands().get(0);
+ selectionSort.setColumn(ParserUtils.standardizeExpression(expression,
true));
sortSequenceList.add(selectionSort);
+
+ if (expression.getType().equals(ExpressionType.FUNCTION) &&
FunctionDefinitionRegistry
+ .isAggFunc(expression.getFunctionCall().getOperator())) {
+ AggregationInfo aggInfo =
buildAggregationInfo(expression.getFunctionCall());
+ if (aggregationInfoList == null) {
+ aggregationInfoList = new ArrayList<>();
+ aggregationInfoList.add(aggInfo);
+ brokerRequest.setAggregationsInfo(aggregationInfoList);
+ } else if (!aggregationInfoList.contains(aggInfo)) {
Review comment:
Isn't this really an aggregation group-by query (or at least needs to be
executed like it)? If so, how does the aggregation actually work here? Will
`QueryContextUtils.isAggregationQuery` return true in this case?
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