• sqlserver2005分页


    create PROCEDURE [dbo].[pagelist1]
    /*
    ***************************************************************
    ** 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
    ***************************************************************/
    (
    @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 + '
    '
    )
    --调用 exec pagelist1 test,'id','id',10,100

    create proc [dbo].[pagelist2]
    @pagesize int,
    @pageindex int
    as
    begin

    select * from (
     select row_number() over (order by id) row,* from test) test
     where row between @pagesize*(@pageindex-1) and @pagesize*@pageindex
    end
    --调用
    --exec pagelist2 10000,10

  • 相关阅读:
    Java多线程学习---------超详细总结(java 多线程 同步 数据传递 )
    类的高级特性——抽象类
    多态
    继承、继承中的重写
    接口interface、实现接口implements
    “==”运算符与equals()
    静态成员
    对象
    属性和行为(成员变量和成员方法)
    字符串生成器
  • 原文地址:https://www.cnblogs.com/pan11jing/p/1543483.html
Copyright © 2020-2023  润新知