zhengshiJ commented on code in PR #11209:
URL: https://github.com/apache/doris/pull/11209#discussion_r937300275
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fe/fe-core/src/main/java/org/apache/doris/statistics/StatsDeriveResult.java:
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@@ -112,10 +112,22 @@ public void setSlotToColumnStats(Map<Slot, ColumnStats>
slotToColumnStats) {
this.slotToColumnStats = slotToColumnStats;
}
- public StatsDeriveResult multiplyDouble(double selectivity) {
+ public StatsDeriveResult updateRowCountBySelectivity(double selectivity) {
rowCount *= selectivity;
for (Entry<Slot, ColumnStats> entry : slotToColumnStats.entrySet()) {
- entry.getValue().multiplyDouble(selectivity);
+ entry.getValue().updateBySelectivity(selectivity);
Review Comment:
The logic is correct, but is there a problem if rowCount is 0
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