订单

add_prescription_dosage_fields.sql

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+-- 添加处方用量相关字段
+-- 用于存储处方类型对应的用量、单位和代煎信息
+
+ALTER TABLE `zyt_tcm_prescription`
+ADD COLUMN `dosage_amount` decimal(10,2) DEFAULT NULL COMMENT '用量数值' AFTER `prescription_type`,
+ADD COLUMN `dosage_unit` varchar(10) NOT NULL DEFAULT '' COMMENT '用量单位(g/ml)' AFTER `dosage_amount`,
+ADD COLUMN `need_decoction` tinyint(1) NOT NULL DEFAULT 0 COMMENT '是否代煎(0否1是,仅饮片)' AFTER `dosage_unit`;
+
+-- 验证字段是否添加成功
+SELECT COLUMN_NAME, DATA_TYPE, COLUMN_DEFAULT, COLUMN_COMMENT 
+FROM information_schema.COLUMNS 
+WHERE TABLE_SCHEMA = DATABASE() 
+  AND TABLE_NAME = 'zyt_tcm_prescription' 
+  AND COLUMN_NAME IN ('dosage_amount', 'dosage_unit', 'need_decoction')
+ORDER BY ORDINAL_POSITION;