[停车][修改]:停车费数据问题

mallinkAdmin/src/main/resources/db/migration/V201907171930__CAR_DATA.sql

@@ -0,0 +1,7 @@
+ALTER TABLE `wx_car_pay_record` add unique(`syn_id`);
+
+alter table wx_car_cmd_log
+add column syn_id VARCHAR(50) GENERATED ALWAYS AS (`cmd_json` ->> '$.synId') NULL;
+
+alter table wx_car_cmd_log
+add column order_id VARCHAR(50) GENERATED ALWAYS AS (`cmd_json` ->> '$.orderId') NULL;