优化

firstleg/src/main/resources/db/phase3-ocean-booking-schema.sql

@@ -36,6 +36,7 @@ CREATE TABLE IF NOT EXISTS fl_ocean_booking (
   version INT UNSIGNED NOT NULL DEFAULT 0 COMMENT '乐观锁版本号',
   PRIMARY KEY (id),
   UNIQUE KEY uk_ocean_booking_no (booking_no),
+  UNIQUE KEY uk_ocean_booking_bill_of_lading (bill_of_lading_no),
   KEY idx_ocean_booking_customer (customer_id,status,updated_at,id),
   KEY idx_ocean_booking_voyage (vessel_name,voyage_no,updated_at),
   CONSTRAINT chk_ocean_booking_customer CHECK (customer_id > 0),
@@ -52,6 +53,18 @@ ALTER TABLE fl_ocean_booking
   MODIFY COLUMN customer_id BIGINT UNSIGNED NULL COMMENT '可选客户ID快照',
   MODIFY COLUMN customer_name VARCHAR(128) NULL COMMENT '可选客户名称快照';
 
+SET @ocean_add_bill_unique = (
+  SELECT IF(COUNT(*) = 0,
+    'ALTER TABLE fl_ocean_booking ADD UNIQUE KEY uk_ocean_booking_bill_of_lading (bill_of_lading_no)',
+    'SELECT 1')
+    FROM information_schema.statistics
+   WHERE table_schema=DATABASE() AND table_name='fl_ocean_booking'
+     AND index_name='uk_ocean_booking_bill_of_lading'
+);
+PREPARE ocean_bill_unique_stmt FROM @ocean_add_bill_unique;
+EXECUTE ocean_bill_unique_stmt;
+DEALLOCATE PREPARE ocean_bill_unique_stmt;
+
 -- Recreate triggers and the current two-state constraint on repeatable initialization.
 DROP TRIGGER IF EXISTS trg_ocean_booking_before_update;
 DROP TRIGGER IF EXISTS trg_ocean_party_before_insert;