essentially disable pushdown

Author: adriangb

datafusion/common/src/config.rs

@@ -739,7 +739,7 @@ config_namespace! {
         /// promoted. A value of 0.0 means all filters will be promoted.
         /// Because there can be a high I/O cost to pushing down ineffective filters,
         /// recommended values are in the range [0.8, 0.95], depending on random I/0 costs.
-        pub filter_effectiveness_threshold: f64, default = 0.95
+        pub filter_effectiveness_threshold: f64, default = 1.0
 
         // The following options affect writing to parquet files
         // and map to parquet::file::properties::WriterProperties

datafusion/core/tests/physical_optimizer/filter_pushdown/mod.rs

@@ -1820,7 +1820,10 @@ async fn test_topk_dynamic_filter_pushdown_integration() {
     cfg.options_mut().execution.parquet.pushdown_filters = true;
     cfg.options_mut().execution.parquet.max_row_group_size = 128;
     // Always pushdown filters into row filters for this test
-    cfg.options_mut().execution.parquet.filter_effectiveness_threshold = 0.0;
+    cfg.options_mut()
+        .execution
+        .parquet
+        .filter_effectiveness_threshold = 0.0;
     let ctx = SessionContext::new_with_config(cfg);
     ctx.register_object_store(
         ObjectStoreUrl::parse("memory://").unwrap().as_ref(),