-- ============================================================================ -- 迁移脚本: 添加 ideal_life 字段到 t_user_profile 表 -- 日期: 2025-12-22 -- 描述: 为用户档案表添加理想生活状态字段 -- ============================================================================ -- 检查字段是否存在,不存在则添加 SET @dbname = DATABASE(); SET @tablename = 't_user_profile'; SET @columnname = 'ideal_life'; SET @preparedStatement = (SELECT IF( ( SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_SCHEMA = @dbname AND TABLE_NAME = @tablename AND COLUMN_NAME = @columnname ) > 0, 'SELECT 1', CONCAT('ALTER TABLE ', @tablename, ' ADD COLUMN ', @columnname, ' TEXT COMMENT ''理想生活状态'' AFTER future_vision') )); PREPARE alterIfNotExists FROM @preparedStatement; EXECUTE alterIfNotExists; DEALLOCATE PREPARE alterIfNotExists;