54 lines
1.8 KiB
SQL
54 lines
1.8 KiB
SQL
-- 为 pla_account 表添加授权相关字段
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-- 执行时间：2025-01-XX
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-- 说明：添加授权日期和授权天数字段，用于控制账号的使用期限
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-- 检查并添加授权日期字段
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SET @dbname = DATABASE();
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SET @tablename = 'pla_account';
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SET @columnname = 'authorization_date';
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SET @preparedStatement = (SELECT IF(
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(
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SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
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WHERE
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(TABLE_SCHEMA = @dbname)
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AND (TABLE_NAME = @tablename)
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AND (COLUMN_NAME = @columnname)
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) > 0,
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'SELECT 1', -- 字段已存在，不执行任何操作
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CONCAT('ALTER TABLE `', @tablename, '` ADD COLUMN `', @columnname, '` DATETIME NULL COMMENT ''授权日期（授权开始时间）'' AFTER `active_actions`;')
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));
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PREPARE alterIfNotExists FROM @preparedStatement;
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EXECUTE alterIfNotExists;
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DEALLOCATE PREPARE alterIfNotExists;
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-- 检查并添加授权天数字段
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SET @columnname = 'authorization_days';
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SET @preparedStatement = (SELECT IF(
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(
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SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
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WHERE
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(TABLE_SCHEMA = @dbname)
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AND (TABLE_NAME = @tablename)
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AND (COLUMN_NAME = @columnname)
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) > 0,
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'SELECT 1', -- 字段已存在，不执行任何操作
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CONCAT('ALTER TABLE `', @tablename, '` ADD COLUMN `', @columnname, '` INT(11) NOT NULL DEFAULT 0 COMMENT ''授权天数'' AFTER `authorization_date`;')
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));
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PREPARE alterIfNotExists FROM @preparedStatement;
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EXECUTE alterIfNotExists;
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DEALLOCATE PREPARE alterIfNotExists;
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-- 验证字段是否添加成功
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SELECT
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COLUMN_NAME AS '字段名',
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DATA_TYPE AS '数据类型',
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IS_NULLABLE AS '允许NULL',
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COLUMN_DEFAULT AS '默认值',
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COLUMN_COMMENT AS '注释'
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FROM INFORMATION_SCHEMA.COLUMNS
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WHERE TABLE_SCHEMA = DATABASE()
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AND TABLE_NAME = 'pla_account'
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AND COLUMN_NAME IN ('authorization_date', 'authorization_days')
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ORDER BY ORDINAL_POSITION;
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