[GitHub] [arrow-datafusion] alamb commented on a change in pull request #2077: Fix lost filters and projections in ParquetExec, CSVExec etc

[GitBox <gi...@apache.org>]

alamb commented on a change in pull request #2077:
URL: https://github.com/apache/arrow-datafusion/pull/2077#discussion_r834591154



##########
File path: datafusion/src/physical_plan/file_format/parquet.rs
##########
@@ -274,12 +274,24 @@ impl ExecutionPlan for ParquetExec {
     ) -> std::fmt::Result {
         match t {
             DisplayFormatType::Default => {
-                write!(
-                    f,
-                    "ParquetExec: limit={:?}, partitions={}",
-                    self.base_config.limit,
-                    super::FileGroupsDisplay(&self.base_config.file_groups)
-                )
+                if let Some(pre) = &self.pruning_predicate {
+                    write!(
+                        f,
+                        "ParquetExec: limit={:?}, partitions={}, pruning_predicate={}, projected_col={}",

Review comment:
       I also like `projection` and `predicate`




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