return error on excessive partition count

Author: houqp

datafusion/core/src/datasource/listing/helpers.rs

@@ -380,6 +380,12 @@ pub async fn pruned_partition_list<'a>(
         partitions.len(),
         &list_path
     );
+    if partitions.len() > 90 {
+        return Err(DataFusionError::Execution(format!(
+            "Excessive partition count due to unconstrainted filter: {}",
+            partitions.len()
+        )));
+    }
 
     let pruned =
         prune_partitions(table_path, partitions, filters, partition_cols).await?;