直接换货流程

migrations/000152_add_direct_exchange_flow.down.sql

@@ -0,0 +1,9 @@
+-- 回滚直接换货流程字段与索引
+DROP INDEX IF EXISTS idx_exchange_order_completed_at;
+DROP INDEX IF EXISTS idx_exchange_order_new_asset;
+DROP INDEX IF EXISTS idx_exchange_order_flow_status;
+
+ALTER TABLE tb_exchange_order
+    DROP COLUMN IF EXISTS completed_at,
+    DROP COLUMN IF EXISTS shipped_at,
+    DROP COLUMN IF EXISTS flow_type;