我正在尝试这个存储过程:
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
CREATE PROCEDURE [dbo].[spx_Pager]
@PageNo int = 1,
@ItemsPerPage int = 2,
@TotalRows int out
AS
BEGIN
SET NOCOUNT ON
DECLARE
@StartIdx int,
@SQL nvarchar(max),
@SQL_Conditions nvarchar(max),
@EndIdx int
IF @PageNo < 1 SET @PageNo = 1
IF @ItemsPerPage < 1 SET @ItemsPerPage = 10
SET @StartIdx = (@PageNo -1) * @ItemsPerPage + 1
SET @EndIdx = (@StartIdx + @ItemsPerPage) - 1
SET @SQL = 'SELECT FilePath
FROM (
SELECT ROW_NUMBER() OVER(ORDER BY ID) AS Row, *
FROM tblFiles ) AS tbl WHERE Row >= '
+ CONVERT(varchar(9), @StartIdx) + ' AND
Row <= ' + CONVERT(varchar(9), @EndIdx)
EXEC sp_executesql @SQL
SET @SQL = 'SELECT @TotalRows=COUNT(*) FROM tblFiles'
EXEC sp_executesql
@query = @SQL,
@params = N'@TotalRows INT OUTPUT',
@TotalRows = @TotalRows OUTPUT
END
它工作得很好,但我尝试用一个视图扩展它这里是代码
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
alter PROCEDURE [dbo].[spx_Pager]
@PageNo int = 1,
@ItemsPerPage int = 2,
@TotalRows int out,
@fname varchar(50),
@mname varchar(50),
@lname varchar(50),
@qfr varchar(10)
AS
BEGIN
SET NOCOUNT ON
DECLARE
@StartIdx int,
@SQL nvarchar(max),
@SQL_Conditions nvarchar(max),
@EndIdx int
IF @PageNo < 1 SET @PageNo = 1
IF @ItemsPerPage < 1 SET @ItemsPerPage = 10
SET @StartIdx = (@PageNo -1) * @ItemsPerPage + 1
SET @EndIdx = (@StartIdx + @ItemsPerPage) - 1
SET @SQL = N'SELECT path_front
FROM (
SELECT ROW_NUMBER() OVER(ORDER BY fname) AS Row, *
FROM searcherview
where (fname = @fname or @fname = '') and (mname = @mname or @mname = '') and (lname = @lname or @lname = '') and (qualifier = @qfr or @qfr = '')
) AS tbl WHERE Row >= '
+ CONVERT(varchar(9), @StartIdx) + ' AND
Row <= ' + CONVERT(varchar(9), @EndIdx)
EXEC sp_executesql @SQL
SET @SQL = 'SELECT @TotalRows=COUNT(*) FROM searcherview'
EXEC sp_executesql
@query = @SQL,
@params = N'@TotalRows INT OUTPUT',
@TotalRows = @TotalRows OUTPUT
END
但是当我尝试执行存储过程时,会返回一个错误,它说
必须声明标量变量“@fname”