xzj7019 commented on code in PR #40654:
URL: https://github.com/apache/doris/pull/40654#discussion_r1753812173
##########
fe/fe-core/src/main/java/org/apache/doris/statistics/ColumnStatisticBuilder.java:
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@@ -56,9 +56,24 @@ public ColumnStatisticBuilder(ColumnStatistic
columnStatistic) {
this.updatedTime = columnStatistic.updatedTime;
}
- public ColumnStatisticBuilder setCount(double count) {
+ // ATTENTION: DON'T USE FOLLOWING TWO DURING STATS DERIVING EXCEPT FOR
INITIALIZATION
+ public ColumnStatisticBuilder(double count) {
this.count = count;
- return this;
+ }
+
+ public ColumnStatisticBuilder(ColumnStatistic columnStatistic, double
count) {
Review Comment:
it can be used by cache initialization and specially set rowcount, not only
UNKNOWN.
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