标签:body where bst begin use aging tar title ***
CREATE PROCEDURE CN5135_SP_Pagination /* *************************************************************** ** 千万数量级分页存储过程 ** *************************************************************** 参数说明: 1.Tables :表名称,视图 2.PrimaryKey :主关键字 3.Sort :排序语句,不带Order By 比如:NewsID Desc,OrderRows Asc 4.CurrentPage :当前页码 5.PageSize :分页尺寸 6.Filter :过滤语句,不带Where 7.Group :Group语句,不带Group By 效果演示:http://www.cn5135.com/_App/Enterprise/QueryResult.aspx ***************************************************************/ ( @Tables varchar (1000), @PrimaryKey varchar (100), @Sort varchar (200) = NULL , @CurrentPage int = 1, @PageSize int = 10, @Fields varchar (1000) = ‘*‘ , @Filter varchar (1000) = NULL , @ Group varchar (1000) = NULL ) AS /*默认排序*/ IF @Sort IS NULL OR @Sort = ‘‘ SET @Sort = @PrimaryKey DECLARE @SortTable varchar (100) DECLARE @SortName varchar (100) DECLARE @strSortColumn varchar (200) DECLARE @operator char (2) DECLARE @type varchar (100) DECLARE @prec int /*设定排序语句.*/ IF CHARINDEX( ‘DESC‘ ,@Sort)>0 BEGIN SET @strSortColumn = REPLACE (@Sort, ‘DESC‘ , ‘‘ ) SET @operator = ‘<=‘ END ELSE BEGIN IF CHARINDEX( ‘ASC‘ , @Sort) = 0 SET @strSortColumn = REPLACE (@Sort, ‘ASC‘ , ‘‘ ) SET @operator = ‘>=‘ END IF CHARINDEX( ‘.‘ , @strSortColumn) > 0 BEGIN SET @SortTable = SUBSTRING (@strSortColumn, 0, CHARINDEX( ‘.‘ ,@strSortColumn)) SET @SortName = SUBSTRING (@strSortColumn, CHARINDEX( ‘.‘ ,@strSortColumn) + 1, LEN(@strSortColumn)) END ELSE BEGIN SET @SortTable = @Tables SET @SortName = @strSortColumn END SELECT @type=t. name , @prec=c.prec FROM sysobjects o JOIN syscolumns c on o.id=c.id JOIN systypes t on c.xusertype=t.xusertype WHERE o. name = @SortTable AND c. name = @SortName IF CHARINDEX( ‘char‘ , @type) > 0 SET @type = @type + ‘(‘ + CAST (@prec AS varchar ) + ‘)‘ DECLARE @strPageSize varchar (50) DECLARE @strStartRow varchar (50) DECLARE @strFilter varchar (1000) DECLARE @strSimpleFilter varchar (1000) DECLARE @strGroup varchar (1000) /*默认当前页*/ IF @CurrentPage < 1 SET @CurrentPage = 1 /*设置分页参数.*/ SET @strPageSize = CAST (@PageSize AS varchar (50)) SET @strStartRow = CAST (((@CurrentPage - 1)*@PageSize + 1) AS varchar (50)) /*筛选以及分组语句.*/ IF @Filter IS NOT NULL AND @Filter != ‘‘ BEGIN SET @strFilter = ‘ WHERE ‘ + @Filter + ‘ ‘ SET @strSimpleFilter = ‘ AND ‘ + @Filter + ‘ ‘ END ELSE BEGIN SET @strSimpleFilter = ‘‘ SET @strFilter = ‘‘ END IF @ Group IS NOT NULL AND @ Group != ‘‘ SET @strGroup = ‘ GROUP BY ‘ + @ Group + ‘ ‘ ELSE SET @strGroup = ‘‘ /*执行查询语句*/ EXEC ( ‘ DECLARE @SortColumn ‘ + @type + ‘ SET ROWCOUNT ‘ + @strStartRow + ‘ SELECT @SortColumn=‘ + @strSortColumn + ‘ FROM ‘ + @Tables + @strFilter + ‘ ‘ + @strGroup + ‘ ORDER BY ‘ + @Sort + ‘ SET ROWCOUNT ‘ + @strPageSize + ‘ SELECT ‘ + @Fields + ‘ FROM ‘ + @Tables + ‘ WHERE ‘ + @strSortColumn + @operator + ‘ @SortColumn ‘ + @strSimpleFilter + ‘ ‘ + @strGroup + ‘ ORDER BY ‘ + @Sort + ‘ ‘ ) GO |
--调用例子: --1.单表/单排序 EXEC usp_PagingLarge ‘bigtable‘ , ‘d_id‘ , ‘d_id,d_title,d_content,d_time‘ ,20,1, ‘‘ , ‘‘ , ‘d_id desc‘ --2.单表/多排序 EXEC usp_PagingLarge ‘bigtable‘ , ‘d_id‘ , ‘*‘ ,20,0, ‘‘ , ‘‘ , ‘d_time asc,d_id desc‘ --3.多表/单排序 EXEC usp_PagingLarge ‘bigtable left join bigtable_author on bigtable.d_id=bigtable_author.BigTable_id‘ , ‘bigtable.d_id‘ , ‘bigtable.d_id,bigtable.d_title,bigtable.d_content,bigtable.d_time,bigtable_author.d_author‘ , 20, 0, ‘‘ , ‘‘ , ‘bigtable.d_id asc‘ --4.多表/多排序 EXEC usp_PagingLarge ‘bigtable left join bigtable_author on bigtable.d_id=bigtable_author.BigTable_id‘ , ‘bigtable.d_id‘ , ‘bigtable.d_id,bigtable.d_title,bigtable.d_content,bigtable.d_time,bigtable_author.d_author‘ , 20, 0, ‘‘ , ‘‘ , ‘bigtable.d_time asc,bigtable.d_id desc‘ |
标签:body where bst begin use aging tar title ***
原文地址:http://www.cnblogs.com/accumulater/p/6101714.html