qconline/doc/sql/patient_registration_add_mutual.sql

-- 为患者登记表添加互认相关字段
ALTER TABLE `patient_registration` ADD COLUMN `mutual_status` tinyint(1) NOT NULL DEFAULT '0' COMMENT '互认标识：0未设置 1互认 2不互认';
ALTER TABLE `patient_registration` ADD COLUMN `non_mutual_reason` varchar(10) DEFAULT NULL COMMENT '不互认理由代码';
ALTER TABLE `patient_registration` ADD COLUMN `non_mutual_reason_text` varchar(500) DEFAULT NULL COMMENT '不互认理由说明';

-- 添加索引
ALTER TABLE `patient_registration` ADD INDEX `idx_mutual_status` (`mutual_status`);