feat: add support for LogicalPlan::DML(...) serde (apache#14079)

* Add support for DML serialization to proto

closes: apache#13616

* add round trip test for DML serde

* cover all cases in round trip test

* minor: change ordering of enum type

Author: milenkovicm

datafusion/proto/proto/datafusion.proto

@@ -61,6 +61,7 @@ message LogicalPlanNode {
     UnnestNode unnest = 30;
     RecursiveQueryNode recursive_query = 31;
     CteWorkTableScanNode cte_work_table_scan = 32;
+    DmlNode dml = 33;
   }
 }
 
@@ -264,6 +265,22 @@ message CopyToNode {
   repeated string partition_by = 7;
 }
 
+message DmlNode{
+   enum Type {
+    UPDATE = 0;
+    DELETE = 1;
+    CTAS = 2;
+    INSERT_APPEND = 3;
+    INSERT_OVERWRITE = 4;
+    INSERT_REPLACE = 5;
+    
+  }
+  Type dml_type = 1;
+  LogicalPlanNode input = 2;
+  TableReference table_name = 3;
+  datafusion_common.DfSchema schema = 4;
+}
+
 message UnnestNode {
   LogicalPlanNode input = 1;
   repeated datafusion_common.Column exec_columns = 2;