set filter statistics as inexact input if unknown

korowa · Nov 7, 2023 · f5ac795 · f5ac795
1 parent 436a4fa
commit f5ac795
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/datafusion/physical-plan/src/filter.rs b/datafusion/physical-plan/src/filter.rs
@@ -204,10 +204,11 @@ impl ExecutionPlan for FilterExec {
         let predicate = self.predicate();
 
         let schema = self.schema();
+        let input_stats = self.input.statistics()?;
+
         if !check_support(predicate, &schema) {
-            return Ok(Statistics::new_unknown(&schema));
+            return Ok(input_stats.into_inexact());
         }
-        let input_stats = self.input.statistics()?;
 
         let num_rows = input_stats.num_rows;
         let total_byte_size = input_stats.total_byte_size;