[GitHub] [doris] englefly commented on a diff in pull request #11209: [feature] (Nereids) support limit clause

[GitBox <gi...@apache.org>]

englefly commented on code in PR #11209:
URL: https://github.com/apache/doris/pull/11209#discussion_r937289497


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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:
   @morrySnow @924060929 请看看这里用selectivity是否更合理



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