迁移：将DB变更记录SQL文件移动到sql目录下

sql/迁移记录-DB变更记录/fix_cli_surgery_missing_columns.sql

@@ -0,0 +1,12 @@
+-- 方法1：使用 IF NOT EXISTS 语法（推荐）
+ALTER TABLE cli_surgery ADD COLUMN IF NOT EXISTS apply_doctor_name VARCHAR(100);
+COMMENT ON COLUMN cli_surgery.apply_doctor_name IS '申请医生姓名';
+
+ALTER TABLE cli_surgery ADD COLUMN IF NOT EXISTS apply_dept_name VARCHAR(100);
+COMMENT ON COLUMN cli_surgery.apply_dept_name IS '申请科室名称';
+
+-- 验证字段是否添加成功
+SELECT column_name, data_type, character_maximum_length
+FROM information_schema.columns
+WHERE table_name = 'cli_surgery'
+  AND column_name IN ('apply_doctor_name', 'apply_dept_name');