105 lines
3.7 KiB
SQL
105 lines
3.7 KiB
SQL
-- 为 trade_recommendations 表添加 user_guide 字段
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-- 用于存储用户指南（人话版计划）
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-- 检查字段是否存在，如果不存在则添加
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SET @dbname = DATABASE();
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SET @tablename = 'trade_recommendations';
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SET @columnname = 'user_guide';
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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 'Column already exists.' AS result;",
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CONCAT("ALTER TABLE ", @tablename, " ADD COLUMN ", @columnname, " TEXT COMMENT '用户指南（人话版操作计划）';")
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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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-- 同时添加其他新增字段（如果不存在）
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SET @columnname2 = 'recommendation_category';
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SET @preparedStatement2 = (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 = @columnname2)
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) > 0,
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"SELECT 'Column recommendation_category already exists.' AS result;",
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CONCAT("ALTER TABLE ", @tablename, " ADD COLUMN ", @columnname2, " VARCHAR(50) COMMENT '推荐分类（如：顺趋势突破、逆势反弹等）';")
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));
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PREPARE alterIfNotExists2 FROM @preparedStatement2;
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EXECUTE alterIfNotExists2;
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DEALLOCATE PREPARE alterIfNotExists2;
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SET @columnname3 = 'risk_level';
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SET @preparedStatement3 = (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 = @columnname3)
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) > 0,
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"SELECT 'Column risk_level already exists.' AS result;",
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CONCAT("ALTER TABLE ", @tablename, " ADD COLUMN ", @columnname3, " VARCHAR(20) COMMENT '风险等级（高、中高、中等、低中）';")
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));
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PREPARE alterIfNotExists3 FROM @preparedStatement3;
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EXECUTE alterIfNotExists3;
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DEALLOCATE PREPARE alterIfNotExists3;
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SET @columnname4 = 'expected_hold_time';
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SET @preparedStatement4 = (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 = @columnname4)
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) > 0,
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"SELECT 'Column expected_hold_time already exists.' AS result;",
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CONCAT("ALTER TABLE ", @tablename, " ADD COLUMN ", @columnname4, " VARCHAR(100) COMMENT '预期持仓时间';")
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));
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PREPARE alterIfNotExists4 FROM @preparedStatement4;
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EXECUTE alterIfNotExists4;
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DEALLOCATE PREPARE alterIfNotExists4;
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SET @columnname5 = 'trading_tutorial';
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SET @preparedStatement5 = (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 = @columnname5)
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) > 0,
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"SELECT 'Column trading_tutorial already exists.' AS result;",
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CONCAT("ALTER TABLE ", @tablename, " ADD COLUMN ", @columnname5, " TEXT COMMENT '交易教程提示';")
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));
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PREPARE alterIfNotExists5 FROM @preparedStatement5;
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EXECUTE alterIfNotExists5;
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DEALLOCATE PREPARE alterIfNotExists5;
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SET @columnname6 = 'max_hold_days';
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SET @preparedStatement6 = (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 = @columnname6)
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) > 0,
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"SELECT 'Column max_hold_days already exists.' AS result;",
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CONCAT("ALTER TABLE ", @tablename, " ADD COLUMN ", @columnname6, " INT DEFAULT 3 COMMENT '最大持仓天数';")
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));
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PREPARE alterIfNotExists6 FROM @preparedStatement6;
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EXECUTE alterIfNotExists6;
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DEALLOCATE PREPARE alterIfNotExists6;
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SELECT 'Migration completed: Added user_guide and related fields to trade_recommendations table.' AS result;
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