englefly commented on code in PR #20978:
URL: https://github.com/apache/doris/pull/20978#discussion_r1233951854
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fe/fe-core/src/main/java/org/apache/doris/statistics/Statistics.java:
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@@ -149,21 +155,28 @@ public Statistics merge(Statistics statistics) {
return this;
}
- private double computeTupleSize() {
+ private double computeTupleSize(Plan plan) {
if (tupleSize <= 0) {
- tupleSize = expressionToColumnStats.values().stream()
- .map(s -> s.avgSizeByte).reduce(0D, Double::sum);
+ tupleSize = 0;
+ for (Slot slot : plan.getOutput()) {
+ ColumnStatistic colStats = expressionToColumnStats.get(slot);
Review Comment:
yes，expressionToColumnStats.keySet() and plan.getOutput() are not match
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