sql 存储过程那位大神帮我看看那块出错了？

[Fly066]

PRINT ' ==================== creating Procedure SP_QUERY_TOPDIARY1 =================== '
GO
/*
编号：**** 名称： SP_QUERY_TOPDIARY1
功能：

*/
IF EXISTS (SELECT * FROM sysobjects WHERE name = 'SP_QUERY_TOPDIARY1' )
DROP PROCEDURE SP_QUERY_TOPDIARY1
GO
CREATE PROCEDURE SP_QUERY_TOPDIARY1 @IN_SERIAL_NO INT,
@IN_OP_CODE INT,
@IN_DIARY_TYPE INT, --日周志类型
@IN_START_DATE INT, --开始日期
@IN_END_DATE INT --结束日期
WITH ENCRYPTION
AS
IF ISNULL(@IN_SERIAL_NO,0) <>0
SELECT A.*,B.OP_NAME
　　　　FROM TOPDIARY A,TOPERATOR B
WHERE A.SERIAL_NO = @IN_SERIAL_NO
ELSE
SELECT A.*,B.OP_NAME
FROM TOPDIARY A,TOPERATOR B
WHERE OP_CODE=@IN_OP_CODE OR ISNULL(@IN_OP_CODE,0)=0
AND(DIARY_TYPE =@IN_DIARY_TYPE OR ISNULL(@IN_DIARY_TYPE,0) =0)
AND (DIARY_DATE >= @IN_START_DATE OR ISNULL(@IN_START_DATE,0) =0)
AND(DIARY_DATE <= @IN_END_DATE OR ISNULL(@IN_END_DATE,0) =0)
ORDER BY SERIAL_NO

GO

[Rotel-刘志东]

具体报的什么错误。

[Rotel-刘志东]

WHERE OP_CODE=@IN_OP_CODE OR ISNULL(@IN_OP_CODE,0)=0
表的连接查询有问题。

[houyajin]

同意楼上。

[hbdn520]

同意楼上。