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CREATE PROCEDURE MGAME_LOGIN
@AccountID varchar(21),
@Password varchar(13),
@nRet smallint OUTPUT
AS

DECLARE @Nation tinyint, @CharNum smallint
SET @Nation = 0
SET @CharNum = 0
DECLARE @pwd varchar(13)
SET @pwd = null
SELECT @pwd = strPasswd FROM [dbo].[TB_USER] WHERE strAccountID = @AccountID
IF @pwd IS null
BEGIN
SET @nRet = 0
RETURN
END
ELSE IF @pwd <> @Password
BEGIN
SET @nRet = 0
RETURN
END
SELECT @Nation = bNation, @CharNum = bCharNum FROM ACCOUNT_CHAR WHERE strAccountID = @AccountID
IF @@ROWCOUNT = 0
BEGIN
SET @nRet = 1
RETURN
END
IF @CharNum = 0
BEGIN
SET @nRet = 1
RETURN
END
ELSE
BEGIN
SET @nRet = @Nation+1
RETURN
END
GO