订单客户状态查询接口

bms-back/sql/price/tms_order_bill_status_query.sql

@@ -0,0 +1,30 @@
+-- TMS 订单状态查询接口：为运单号精确查询补充索引。
+-- 订单号已有唯一索引，转单号已有索引；当前表结构通常缺少 tracking_no 索引。
+-- 脚本可重复执行。
+SET NAMES utf8mb4;
+SET @db_name := DATABASE();
+
+SET @has_tracking_index := (
+    SELECT COUNT(*)
+    FROM information_schema.STATISTICS
+    WHERE TABLE_SCHEMA = @db_name
+      AND TABLE_NAME = 'prc_order_bill'
+      AND INDEX_NAME = 'idx_order_bill_tracking_no'
+);
+SET @sql := IF(@has_tracking_index = 0,
+    'ALTER TABLE prc_order_bill ADD INDEX idx_order_bill_tracking_no (tracking_no)',
+    'SELECT 1');
+PREPARE stmt FROM @sql;
+EXECUTE stmt;
+DEALLOCATE PREPARE stmt;
+
+SELECT
+    TABLE_NAME,
+    INDEX_NAME,
+    COLUMN_NAME,
+    NON_UNIQUE
+FROM information_schema.STATISTICS
+WHERE TABLE_SCHEMA = @db_name
+  AND TABLE_NAME = 'prc_order_bill'
+  AND INDEX_NAME IN ('uk_bill_order', 'idx_order_bill_tracking_no', 'idx_order_bill_transfer_no')
+ORDER BY INDEX_NAME, SEQ_IN_INDEX;