通用預存程序.分頁預存程序

/*
名稱:spAll_ReturnRows
輸入:
輸出:
調用:
  EXEC spAll_ReturnRows 'SELECT  * FROM 表名', 頁號, 返回記錄數, '主鍵', '排序欄位'
  spAll_ReturnRows 'SELECT  * FROM all_Categories',2,10,'[ID]','[ID]'
說明:[百萬級]通用預存程序.分頁預存程序..返回指定返回條數、指定頁數的記錄

*/

CREATE PROCEDURE dbo.spAll_ReturnRows
(
@SQL nVARCHAR(4000),
@Page int,
@RecsPerPage int,
@ID VARCHAR(255),
@Sort VARCHAR(255)
)
AS

DECLARE @Str nVARCHAR(4000)

SET @Str='SELECT   TOP '+CAST(@RecsPerPage AS VARCHAR(20))+' * FROM ('+@SQL+') T WHERE T.'+@ID+' NOT IN
(SELECT   TOP '+CAST((@RecsPerPage*(@Page-1)) AS VARCHAR(20))+' '+@ID+' FROM ('+@SQL+') T9 ORDER BY '+@Sort+') ORDER BY '+@Sort

PRINT @Str

EXEC sp_ExecuteSql @Str
GO

/*
名稱:spAll_DeleteNoneUnique
輸入:要查詢的表名和欄位列表
輸出:
調用:
說明:實現千萬級資料的分頁顯示!--可以在5秒內擷取1448萬條記錄裡的第1200頁的100條記錄，雄不？
*/

CREATE PROCEDURE GetRecordFromPage
    @tblName      varchar(255),       -- 表名
    @fldName      varchar(255),       -- 欄位名
    @PageSize     int = 10,           -- 頁尺寸
    @PageIndex    int = 1,            -- 頁碼
    @IsCount      bit = 0,            -- 返回記錄總數, 非 0 值則返回
    @OrderType    bit = 0,            -- 設定排序類型, 非 0 值則降序
    @strWhere     varchar(1000) = ''  -- 查詢條件 (注意: 不要加 where)
AS

declare @strSQL   varchar(6000)       -- 主語句
declare @strTmp   varchar(100)        -- 臨時變數
declare @strOrder varchar(400)        -- 排序類型

if @OrderType != 0
begin
    set @strTmp = "<(select min"
    set @strOrder = " order by [" + @fldName +"] desc"
end
else
begin
    set @strTmp = ">(select max"
    set @strOrder = " order by [" + @fldName +"] asc"
end

set @strSQL = "select top " + str(@PageSize) + " * from ["
    + @tblName + "] where [" + @fldName + "]" + @strTmp + "(["
    + @fldName + "]) from (select top " + str((@PageIndex-1)*@PageSize) + " ["
    + @fldName + "] from [" + @tblName + "]" + @strOrder + ") as tblTmp)"
    + @strOrder

if @strWhere != ''
    set @strSQL = "select top " + str(@PageSize) + " * from ["
        + @tblName + "] where [" + @fldName + "]" + @strTmp + "(["
        + @fldName + "]) from (select top " + str((@PageIndex-1)*@PageSize) + " ["
        + @fldName + "] from [" + @tblName + "] where " + @strWhere + " "
        + @strOrder + ") as tblTmp) and " + @strWhere + " " + @strOrder

if @PageIndex = 1
begin
    set @strTmp = ""
    if @strWhere != ''
        set @strTmp = " where " + @strWhere

    set @strSQL = "select top " + str(@PageSize) + " * from ["
        + @tblName + "]" + @strTmp + " " + @strOrder
end

if @IsCount != 0
    set @strSQL = "select count(*) as Total from [" + @tblName + "]"

exec (@strSQL)

GO