wangshuo128 commented on code in PR #11179:
URL: https://github.com/apache/doris/pull/11179#discussion_r929544516
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fe/fe-core/src/main/java/org/apache/doris/statistics/StatsDeriveResult.java:
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@@ -37,12 +39,27 @@ public class StatsDeriveResult {
// The actual key is slotId
private final Map<Id, Long> columnToNdv = Maps.newHashMap();
+ private Map<Slot, ColumnStats> slotRefToColumnStatsMap;
+
+ public StatsDeriveResult() {
Review Comment:
Do we really need an empty constructor? Or maybe we should delegate to a
non-empty parameter constructor?
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