21 lines
1.1 KiB
SQL
21 lines
1.1 KiB
SQL
-- 添加处方完整字段（用量、代煎、每天几次）
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-- 执行前请先备份数据库
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-- 1. 添加用量相关字段（如果不存在）
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ALTER TABLE `zyt_tcm_prescription`
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ADD COLUMN IF NOT EXISTS `dosage_amount` decimal(10,2) DEFAULT NULL COMMENT '用量数值' AFTER `prescription_type`,
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ADD COLUMN IF NOT EXISTS `dosage_unit` varchar(10) NOT NULL DEFAULT '' COMMENT '用量单位(g/ml)' AFTER `dosage_amount`,
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ADD COLUMN IF NOT EXISTS `need_decoction` tinyint(1) NOT NULL DEFAULT 0 COMMENT '是否代煎(0否1是,仅饮片)' AFTER `dosage_unit`;
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-- 2. 添加每天几次字段（如果不存在）
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ALTER TABLE `zyt_tcm_prescription`
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ADD COLUMN IF NOT EXISTS `times_per_day` int(11) NOT NULL DEFAULT 2 COMMENT '每天服用次数' AFTER `usage_days`;
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-- 验证字段是否添加成功
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SELECT COLUMN_NAME, DATA_TYPE, COLUMN_DEFAULT, COLUMN_COMMENT
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FROM information_schema.COLUMNS
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WHERE TABLE_SCHEMA = DATABASE()
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AND TABLE_NAME = 'zyt_tcm_prescription'
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AND COLUMN_NAME IN ('dosage_amount', 'dosage_unit', 'need_decoction', 'times_per_day')
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ORDER BY ORDINAL_POSITION;
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