fix

englefly · Sep 22, 2023 · e347ac8 · e347ac8
1 parent a588f8f
commit e347ac8
Showing 1 changed file with 2 additions and 2 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
@@ -395,8 +395,8 @@ public Statistics visitIsNull(IsNull isNull, EstimationContext context) {
         }
         double outputRowCount = childStats.numNulls;
         ColumnStatisticBuilder colBuilder = new ColumnStatisticBuilder(childStats);
-        colBuilder.setCount(outputRowCount).setNumNulls(outputRowCount).setNdv(0)
-                .setMinValue(Double.NEGATIVE_INFINITY).setMaxValue(Double.POSITIVE_INFINITY);
+        // do not modify ndv/min/max to make is-not-null work
+        colBuilder.setCount(outputRowCount).setNumNulls(outputRowCount);
         StatisticsBuilder builder = new StatisticsBuilder(context.statistics);
         builder.putColumnStatistics(isNull.child(), colBuilder.build());
         // TODO we do not call updateRowCountOnly() to make is-not-null work. this need refactor