flatten set_clause_list and set_target_list (#21)

* change(tree-sitter module): flatten set_clause_list

* change(tree-sitter module): flatten set_target_list

Author: lemonadern

crates/postgresql-cst-parser/src/tree_sitter/convert.rs

@@ -149,7 +149,9 @@ fn walk_and_build(
                     | SyntaxKind::qualified_name_list
                     | SyntaxKind::for_locking_items
                     | SyntaxKind::cte_list
-                    | SyntaxKind::name_list) => {
+                    | SyntaxKind::name_list
+                    | SyntaxKind::set_clause_list
+                    | SyntaxKind::set_target_list) => {
                         if parent_kind == child_kind {
                             // [Node: Flatten]
                             //
@@ -446,5 +448,23 @@ FROM
 
             assert_no_direct_nested_kind(&new_root, SyntaxKind::name_list);
         }
+
+        #[test]
+        fn no_nested_set_clause_list() {
+            let input = "update t set a = 1, b = 2, c = 3;";
+            let root = cst::parse(input).unwrap();
+            let (new_root, _) = get_ts_tree_and_range_map(&input, &root);
+
+            assert_no_direct_nested_kind(&new_root, SyntaxKind::set_clause_list);
+        }
+
+        #[test]
+        fn no_nested_set_target_list() {
+            let input = "update t set (a, b, c) = (1, 2, 3) where id = 1;";
+            let root = cst::parse(input).unwrap();
+            let (new_root, _) = get_ts_tree_and_range_map(&input, &root);
+
+            assert_no_direct_nested_kind(&new_root, SyntaxKind::set_target_list);
+        }
     }
 }