HappenLee commented on a change in pull request #7800:
URL: https://github.com/apache/incubator-doris/pull/7800#discussion_r788320122
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File path: fe/fe-core/src/main/java/org/apache/doris/planner/RepeatNode.java
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@@ -131,7 +131,8 @@ public void init(Analyzer analyzer) throws UserException {
// build tupleDesc according to child's tupleDesc info
outputTupleDesc = groupingInfo.getVirtualTuple();
//set aggregate nullable
- for (Expr slot : groupByClause.getGroupingExprs()) {
+ for (int i = 0; i < groupByClause.getGroupingExprs().size() - 1; i++) {
Review comment:
The last grouping expr is virtual grouping id， not need to set nullable
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