foxtail463 commented on code in PR #64032:
URL: https://github.com/apache/doris/pull/64032#discussion_r3433747685
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fe/fe-core/src/main/java/org/apache/doris/nereids/stats/StatsCalculator.java:
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@@ -1208,7 +1193,9 @@ public Statistics
computeAssertNumRows(AssertNumRowsElement assertNumRowsElement
* computeFilter
*/
public Statistics computeFilter(Filter filter, Statistics inputStats) {
- return new FilterEstimation().estimate(filter.getPredicate(),
inputStats);
+ Set<Expression> conjuncts = new LinkedHashSet<>(filter.getConjuncts());
Review Comment:
Should keep it here.
If we clear the marker here, a parent Filter containing the same partition
conjunct could estimate it again and double-count the selectivity.
So the marker should remain while the row count is derived from that
selected-partition scan. The physical predicate removal is handled separately
by `PrunePartitionPredicate`.
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