Add getters to ExecutionPlan Properties (apache#13409)

* Expose Execution Plan Properties

* Expose Execution Plan Properties

* Expose Execution Plan Properties

* Expose Execution Plan Properties

* Expose Execution Plan Properties

datafusion/core/src/datasource/physical_plan/json.rs

@@ -86,6 +86,11 @@ impl NdJsonExec {
         &self.base_config
     }
 
+    /// Ref to file compression type
+    pub fn file_compression_type(&self) -> &FileCompressionType {
+        &self.file_compression_type
+    }
+
     fn output_partitioning_helper(file_scan_config: &FileScanConfig) -> Partitioning {
         Partitioning::UnknownPartitioning(file_scan_config.file_groups.len())
     }

datafusion/physical-plan/src/joins/sort_merge_join.rs

@@ -204,18 +204,36 @@ impl SortMergeJoinExec {
         &self.on
     }
 
+    /// Ref to right execution plan
     pub fn right(&self) -> &Arc<dyn ExecutionPlan> {
         &self.right
     }
 
+    /// Join type
     pub fn join_type(&self) -> JoinType {
         self.join_type
     }
 
+    /// Ref to left execution plan
     pub fn left(&self) -> &Arc<dyn ExecutionPlan> {
         &self.left
     }
 
+    /// Ref to join filter
+    pub fn filter(&self) -> &Option<JoinFilter> {
+        &self.filter
+    }
+
+    /// Ref to sort options
+    pub fn sort_options(&self) -> &[SortOptions] {
+        &self.sort_options
+    }
+
+    /// Null equals null
+    pub fn null_equals_null(&self) -> bool {
+        self.null_equals_null
+    }
+
     /// This function creates the cache object that stores the plan properties such as schema, equivalence properties, ordering, partitioning, etc.
     fn compute_properties(
         left: &Arc<dyn ExecutionPlan>,

datafusion/physical-plan/src/memory.rs

@@ -178,14 +178,26 @@ impl MemoryExec {
         self
     }
 
+    /// Ref to partitions
     pub fn partitions(&self) -> &[Vec<RecordBatch>] {
         &self.partitions
     }
 
+    /// Ref to projection
     pub fn projection(&self) -> &Option<Vec<usize>> {
         &self.projection
     }
 
+    /// Show sizes
+    pub fn show_sizes(&self) -> bool {
+        self.show_sizes
+    }
+
+    /// Ref to sort information
+    pub fn sort_information(&self) -> &[LexOrdering] {
+        &self.sort_information
+    }
+
     /// A memory table can be ordered by multiple expressions simultaneously.
     /// [`EquivalenceProperties`] keeps track of expressions that describe the
     /// global ordering of the schema. These columns are not necessarily same; e.g.
@@ -261,6 +273,7 @@ impl MemoryExec {
         Ok(self)
     }
 
+    /// Arc clone of ref to original schema
     pub fn original_schema(&self) -> SchemaRef {
         Arc::clone(&self.schema)
     }

datafusion/physical-plan/src/recursive_query.rs

@@ -95,6 +95,26 @@ impl RecursiveQueryExec {
         })
     }
 
+    /// Ref to name
+    pub fn name(&self) -> &str {
+        &self.name
+    }
+
+    /// Ref to static term
+    pub fn static_term(&self) -> &Arc<dyn ExecutionPlan> {
+        &self.static_term
+    }
+
+    /// Ref to recursive term
+    pub fn recursive_term(&self) -> &Arc<dyn ExecutionPlan> {
+        &self.recursive_term
+    }
+
+    /// is distinct
+    pub fn is_distinct(&self) -> bool {
+        self.is_distinct
+    }
+
     /// This function creates the cache object that stores the plan properties such as schema, equivalence properties, ordering, partitioning, etc.
     fn compute_properties(schema: SchemaRef) -> PlanProperties {
         let eq_properties = EquivalenceProperties::new(schema);

datafusion/physical-plan/src/sorts/partial_sort.rs

@@ -167,6 +167,11 @@ impl PartialSortExec {
         self.fetch
     }
 
+    /// Common prefix length
+    pub fn common_prefix_length(&self) -> usize {
+        self.common_prefix_length
+    }
+
     fn output_partitioning_helper(
         input: &Arc<dyn ExecutionPlan>,
         preserve_partitioning: bool,

datafusion/physical-plan/src/work_table.rs

@@ -120,6 +120,16 @@ impl WorkTableExec {
         }
     }
 
+    /// Ref to name
+    pub fn name(&self) -> &str {
+        &self.name
+    }
+
+    /// Arc clone of ref to schema
+    pub fn schema(&self) -> SchemaRef {
+        Arc::clone(&self.schema)
+    }
+
     pub(super) fn with_work_table(&self, work_table: Arc<WorkTable>) -> Self {
         Self {
             name: self.name.clone(),