walterddr commented on a change in pull request #7911:
URL: https://github.com/apache/pinot/pull/7911#discussion_r771973799
##########
File path:
pinot-core/src/main/java/org/apache/pinot/core/query/reduce/ResultReducerFactory.java
##########
@@ -68,11 +67,30 @@ public static DataTableReducer
getResultReducer(QueryContext queryContext) {
}
public static StreamingReducer getStreamingReducer(QueryContext
queryContext) {
- if (!QueryContextUtils.isSelectionQuery(queryContext) ||
queryContext.getOrderByExpressions() != null) {
- throw new UnsupportedOperationException("Only selection queries are
supported");
+ AggregationFunction[] aggregationFunctions =
queryContext.getAggregationFunctions();
+ if (aggregationFunctions == null) {
+ if (queryContext.getOrderByExpressions() != null) {
+ throw new UnsupportedOperationException("Only selection queries are
supported");
Review comment:
there's select order by, gap-fill group by, and explain plan operator
that hasn't been implemented.
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