优化

deploy/sql/头程数据库统一增量-MySQL8.sql

@@ -9075,6 +9075,21 @@ PREPARE ocean_add_carrier_code_stmt FROM @ocean_add_carrier_code;
 EXECUTE ocean_add_carrier_code_stmt;
 DEALLOCATE PREPARE ocean_add_carrier_code_stmt;
 
+SET @ocean_drop_carrier_code_check = (
+  SELECT IF(COUNT(*) > 0,
+    'ALTER TABLE fl_ocean_booking DROP CHECK chk_ocean_booking_carrier_code',
+    'SELECT 1')
+    FROM information_schema.table_constraints
+   WHERE constraint_schema=DATABASE() AND table_name='fl_ocean_booking'
+     AND constraint_name='chk_ocean_booking_carrier_code' AND constraint_type='CHECK'
+);
+PREPARE ocean_drop_carrier_code_check_stmt FROM @ocean_drop_carrier_code_check;
+EXECUTE ocean_drop_carrier_code_check_stmt;
+DEALLOCATE PREPARE ocean_drop_carrier_code_check_stmt;
+ALTER TABLE fl_ocean_booking
+  ADD CONSTRAINT chk_ocean_booking_carrier_code CHECK
+    (carrier_code IS NULL OR carrier_code IN ('MATSON','SML','ZIM','COSCO','EMC','HEDE','OTHER'));
+
 -- CREATE TABLE IF NOT EXISTS does not reconcile a database initialized before customer became optional.
 ALTER TABLE fl_ocean_booking
   MODIFY COLUMN customer_id BIGINT UNSIGNED NULL COMMENT '可选客户ID快照',