delimiter //

create or replace procedure editmember(
  in token varchar(100),
  in userid varchar(100),
  in username nvarchar(100),
  in email varchar(100),
  in pwd varchar(200)
)
/*
  Function   : 修改會員資料
  Description: 原則: 傳入內容若是空白就不更新
  Build Date : 2018/04/12
  
  Modify History
    Item Who        Date       Modify Docs
    ==== ========== ========== ================================================
    1    Michael    2018/01/08 開始改寫為 MySQL 版 
    
*/
begin
  /*
    先寫一個簡單的 insert 版本
	uuid 寫入驗證碼(ddmmyy)
	後面還要再加入判斷檢查的機制, 及 error code 回傳等 ..
  */
  
  if username <> '' then
    update sys_users set username = username where userid = userid and username <> username;
  end if;

  if email <> '' then
    update sys_users set email = email where userid = userid and email <> email;
  end if;

  if pwd <> '' and pwd <> 'nopwd' then
    update sys_users set pwd = pwd where userid = userid and pwd <> pwd;
  end if;
  
  -- 回傳 ds1
  select 0 as code, '修改會員成功' as msg, 1 as recno;
  
  -- 回傳 ds2
  select 
    coalesce(userid, '') as userid,
    coalesce(username, '') as username,
    coalesce(email, '') as email,
    token
  from sys_users where coalesce(token, 'null') = token;

end //

delimiter ;