调整结算

doc/sql/transport/blade_pre_settlement_20260818.sql

@@ -182,6 +182,8 @@ CREATE TABLE IF NOT EXISTS `blade_pre_settlement_change_record` (
   `line_no` int(11) DEFAULT NULL COMMENT '行号',
   `operation_type` varchar(30) COLLATE utf8mb4_general_ci NOT NULL COMMENT '操作类型',
   `change_content` text COLLATE utf8mb4_general_ci NOT NULL COMMENT '变更内容',
+  `before_data` longtext COLLATE utf8mb4_general_ci COMMENT '变更前数据JSON',
+  `after_data` longtext COLLATE utf8mb4_general_ci COMMENT '变更后数据JSON',
   `operator_name` varchar(100) COLLATE utf8mb4_general_ci DEFAULT NULL COMMENT '操作人',
   `change_reason` varchar(200) COLLATE utf8mb4_general_ci DEFAULT NULL COMMENT '变更原因',
   `change_time` datetime NOT NULL COMMENT '变更时间',

doc/sql/transport/blade_pre_settlement_change_record_detail_20260905.sql

@@ -0,0 +1,33 @@
+-- 预结算变更记录补充前后值明细，供调整弹窗“查看详情”展示。
+-- 兼容 MySQL 5.7（ADD COLUMN 不支持 IF NOT EXISTS），并支持重复执行。
+SET @before_data_exists := (
+  SELECT COUNT(*)
+  FROM information_schema.COLUMNS
+  WHERE TABLE_SCHEMA = DATABASE()
+    AND TABLE_NAME = 'blade_pre_settlement_change_record'
+    AND COLUMN_NAME = 'before_data'
+);
+SET @before_data_sql := IF(
+  @before_data_exists = 0,
+  'ALTER TABLE `blade_pre_settlement_change_record` ADD COLUMN `before_data` longtext COLLATE utf8mb4_general_ci COMMENT ''变更前数据JSON'' AFTER `change_content`',
+  'SELECT 1'
+);
+PREPARE before_data_stmt FROM @before_data_sql;
+EXECUTE before_data_stmt;
+DEALLOCATE PREPARE before_data_stmt;
+
+SET @after_data_exists := (
+  SELECT COUNT(*)
+  FROM information_schema.COLUMNS
+  WHERE TABLE_SCHEMA = DATABASE()
+    AND TABLE_NAME = 'blade_pre_settlement_change_record'
+    AND COLUMN_NAME = 'after_data'
+);
+SET @after_data_sql := IF(
+  @after_data_exists = 0,
+  'ALTER TABLE `blade_pre_settlement_change_record` ADD COLUMN `after_data` longtext COLLATE utf8mb4_general_ci COMMENT ''变更后数据JSON'' AFTER `before_data`',
+  'SELECT 1'
+);
+PREPARE after_data_stmt FROM @after_data_sql;
+EXECUTE after_data_stmt;
+DEALLOCATE PREPARE after_data_stmt;