xzj7019 commented on code in PR #40698:
URL: https://github.com/apache/doris/pull/40698#discussion_r1756717759
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fe/fe-core/src/main/java/org/apache/doris/nereids/stats/FilterEstimation.java:
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@@ -332,7 +332,8 @@ private Statistics estimateEqualTo(ComparisonPredicate cp,
ColumnStatistic stats
} else {
double val = statsForRight.maxValue;
if (val > statsForLeft.maxValue || val <
statsForLeft.minValue) {
- selectivity = 0.0;
+ // do a lower bound protection to avoid using 0 directly
+ selectivity = RANGE_SELECTIVITY_THRESHOLD;
Review Comment:
this is equal to path an no handled before.
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