englefly commented on code in PR #29184:
URL: https://github.com/apache/doris/pull/29184#discussion_r1438139152
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fe/fe-core/src/main/java/org/apache/doris/nereids/stats/FilterEstimation.java:
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@@ -568,10 +581,33 @@ public Statistics visitLike(Like like, EstimationContext
context) {
"col stats not found. slot=%s in %s",
like.left().toSql(), like.toSql());
ColumnStatisticBuilder colBuilder = new
ColumnStatisticBuilder(origin);
- colBuilder.setNdv(origin.ndv *
DEFAULT_LIKE_COMPARISON_SELECTIVITY).setNumNulls(0);
+ double selectivity = origin.ndv *
DEFAULT_LIKE_COMPARISON_SELECTIVITY;
Review Comment:
this is 'ndv' not selectivity
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