refactor: move txMode to Plan

test/spec/fixtures/schema.sql

@@ -26,7 +26,7 @@ CREATE SCHEMA "EXTRA ""@/\#~_-";
 COMMENT ON SCHEMA v1 IS 'v1 schema';
 COMMENT ON SCHEMA v2 IS 'v2 schema';
 
-COMMENT ON SCHEMA test IS 
+COMMENT ON SCHEMA test IS
 $$My API title
 
 My API description
@@ -3111,4 +3111,4 @@ create view test.alpha_projects as
 -- view's name is alphabetically after projects
 create view test.zeta_projects as
   select c.id, p.name as pro_name, c.name as cli_name
-  from projects p join clients c on p.client_id = c.id;
+  from projects p join clients c on p.client_id = c.id;