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yiguolei pushed a commit to branch branch-2.1
in repository https://gitbox.apache.org/repos/asf/doris.git
The following commit(s) were added to refs/heads/branch-2.1 by this push:
new 3d10db4786a branch-2.1 [opt](nereids) set column stats unkown by
default when derive Not expressoin #48864 (#49742)
3d10db4786a is described below
commit 3d10db4786ae77ed440a18baa36e58e2c4ee395f
Author: minghong <zhoumingh...@selectdb.com>
AuthorDate: Thu Apr 3 09:48:46 2025 +0800
branch-2.1 [opt](nereids) set column stats unkown by default when derive
Not expressoin #48864 (#49742)
---
.../java/org/apache/doris/nereids/stats/FilterEstimation.java | 11 +++--------
1 file changed, 3 insertions(+), 8 deletions(-)
diff --git
a/fe/fe-core/src/main/java/org/apache/doris/nereids/stats/FilterEstimation.java
b/fe/fe-core/src/main/java/org/apache/doris/nereids/stats/FilterEstimation.java
index c942b18ca98..2e42dfc7c58 100644
---
a/fe/fe-core/src/main/java/org/apache/doris/nereids/stats/FilterEstimation.java
+++
b/fe/fe-core/src/main/java/org/apache/doris/nereids/stats/FilterEstimation.java
@@ -511,14 +511,6 @@ public class FilterEstimation extends
ExpressionVisitor<Statistics, EstimationCo
// 4. not A like XXX
// 5. not array_contains([xx, xx], xx)
colBuilder.setNumNulls(0);
- Preconditions.checkArgument(
- child instanceof EqualPredicate
- || child instanceof InPredicate
- || child instanceof IsNull
- || child instanceof Like
- || child instanceof Match
- || child instanceof Function,
- "Not-predicate meet unexpected child: %s",
child.toSql());
if (child instanceof Like) {
rowCount = context.statistics.getRowCount() -
childStats.getRowCount();
colBuilder.setNdv(Math.max(1.0, originColStats.ndv -
childColStats.ndv));
@@ -543,6 +535,9 @@ public class FilterEstimation extends
ExpressionVisitor<Statistics, EstimationCo
} else if (child instanceof Match) {
rowCount = context.statistics.getRowCount() -
childStats.getRowCount();
colBuilder.setNdv(Math.max(1.0, originColStats.ndv -
childColStats.ndv));
+ } else {
+ rowCount = context.statistics.getRowCount() -
childStats.getRowCount();
+ colBuilder.setIsUnknown(true);
}
if (not.child().getInputSlots().size() == 1 && !(child
instanceof IsNull)) {
// only consider the single column numNull, otherwise,
ignore
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