[opt](nereids) refine expression estimation

apache · Sep 19, 2024 · 216dfba · 216dfba
1 parent fbef9e2
commit 216dfba
Showing 1 changed file with 1 addition and 8 deletions.
diff --git a/fe/fe-core/src/main/java/org/apache/doris/nereids/stats/ExpressionEstimation.java b/fe/fe-core/src/main/java/org/apache/doris/nereids/stats/ExpressionEstimation.java
@@ -442,14 +442,7 @@ public ColumnStatistic visitBoundFunction(BoundFunction boundFunction, Statistic
     @Override
     public ColumnStatistic visitAggregateExpression(AggregateExpression aggregateExpression,
             Statistics context) {
-        ColumnStatistic columnStat = aggregateExpression.child().accept(this, context);
-        if (columnStat.isUnKnown) {
-            return ColumnStatistic.UNKNOWN;
-        }
-        return new ColumnStatisticBuilder(columnStat)
-                .setMinExpr(null).setMinValue(Double.NEGATIVE_INFINITY)
-                .setMaxExpr(null).setMaxValue(Double.POSITIVE_INFINITY)
-                .build();
+        return aggregateExpression.child().accept(this, context);
     }
 
     @Override