-- 迁移文件：0024_add_dingtalk_userid.sql
-- 功能：添加钉钉用户ID字段，支持批量同步用户信息

-- 添加钉钉用户ID字段
ALTER TABLE "User" ADD COLUMN IF NOT EXISTS "dingtalkUserId" varchar(128) DEFAULT NULL;

-- 添加索引加速查询
CREATE INDEX IF NOT EXISTS "idx_user_dingtalk_userid" ON "User"("dingtalkUserId") WHERE "dingtalkUserId" IS NOT NULL;

-- 添加注释
COMMENT ON COLUMN "User"."dingtalkUserId" IS '钉钉用户ID，用于调用钉钉API获取用户信息';