-- ============================================================
-- cc_wx_user 补 template_code：经销商可绑定专属装修模板（幂等）
-- 空字符串 = 跟随品牌默认模板
-- ============================================================

SET @db := DATABASE();
SET @exists := (
    SELECT COUNT(*) FROM information_schema.COLUMNS
    WHERE TABLE_SCHEMA = @db AND TABLE_NAME = 'cc_wx_user' AND COLUMN_NAME = 'template_code'
);
SET @sql := IF(@exists = 0,
    'ALTER TABLE `cc_wx_user` ADD COLUMN `template_code` varchar(50) NOT NULL DEFAULT '''' COMMENT ''经销商专属装修模板 code，空=跟随品牌默认'' AFTER `price_number`',
    'SELECT ''skip cc_wx_user.template_code'' AS msg'
);
PREPARE stmt FROM @sql; EXECUTE stmt; DEALLOCATE PREPARE stmt;
