MS SQL 分頁存儲過程
阿新 • • 發佈:2018-05-21
bsp RF class 自己 mon max sql rec none 最近換了家新公司,但是新公司沒有使用分頁的存儲過程。哎~~,硬著頭皮自己嘗試寫了一個,別說還挺好用的。(效率怎麽樣就不怎麽清除沒有詳細的測試過)
CREATE PROCEDURE [dbo].[pro_common_pageList] ( @tab NVARCHAR(MAX) ,---表名 @PrimaryKey VARCHAR(100) , --主鍵ID @strFld NVARCHAR(MAX) , --字段字符串 @strWhere NVARCHAR(MAX) = ‘ ‘ , --where條件 @IsDistinctView CodeBIT , @PageIndex INT , --頁碼 @PageSize INT , --每頁容納的記錄數 @Order VARCHAR(255) = ‘ ‘ , --排序字段及規則,不用加order by @Sort VARCHAR(20) = ‘desc‘ , @TotalCount INT OUTPUT --總記錄數 ) AS BEGIN SET NOCOUNT ON; DECLARE @strSql VARCHAR(MAX); IF @strFld IS NULLOR @strFld = ‘ ‘ BEGIN SET @strFld = ‘*‘; END; IF @Order IS NULL OR @Order = ‘ ‘ BEGIN SET @Order = @PrimaryKey; END; --計算總記錄數 DECLARE @sqlRecordCount NVARCHAR(MAX); --得到總記錄條數的語句DECLARE @recordCount INT; --保存總記錄條數的變量 DECLARE @distinct NVARCHAR(20)= ‘ ‘; IF @IsDistinct = 1 BEGIN SET @distinct = ‘ DISTINCT ‘; END; SET @sqlRecordCount = N‘SELECT @recordCount=COUNT(1) FROM (SELECT ‘ + @distinct + ‘ ‘ + @strFld + ‘ FROM ‘ + @tab + ‘ WHERE 1=1 ‘ + @strWhere + ‘ ) AS TEMPTABLE‘; EXEC sp_executesql @sqlRecordCount, N‘@recordCount int output‘, @recordCount OUTPUT; SET @TotalCount = @recordCount; --數據查詢 --當@PageIndex=1,使用TOP效率較快 IF @PageIndex = 1 BEGIN SET @strSql = ‘SELECT ‘ + @distinct + ‘ TOP ‘ + STR(@PageSize) + ‘ ‘ + @strFld + ‘,0 AS rownum FROM ‘ + @tab + ‘ WHERE 1=1 ‘ + @strWhere + ‘ ORDER BY ‘ + @Order + ‘ ‘ + @Sort; END; ELSE BEGIN SET @strSql = ‘SELECT * FROM (SELECT *, ROW_NUMBER() OVER(ORDER BY ‘ + @PrimaryKey + ‘) AS rownum FROM ‘; --是否去重:1去重 IF @IsDistinct = 1 BEGIN SET @strSql = @strSql + ‘ (SELECT DISTINCT ‘ + @strFld + ‘ FROM ‘ + @tab + ‘ WHERE 1=1 ‘ + @strWhere + ‘ ) AS S ‘; END; ELSE BEGIN SET @strSql = @strSql + ‘ ‘ + @tab + ‘ WHERE 1=1 ‘ + @strWhere; END; SET @strSql = @strSql + ‘) AS Dwhere WHERE Dwhere.rownum BETWEEN ‘ + CAST(( ( @PageIndex - 1 ) * @PageSize ) + 1 AS NVARCHAR(20)); SET @strSql = @strSql + ‘ AND ‘ + CAST(( @PageIndex * @PageSize ) AS NVARCHAR(20)); SET @strSql = @strSql + ‘ ORDER BY ‘ + @Order + ‘ ‘ + @Sort; END; PRINT(@strSql) EXEC (@strSql); SET NOCOUNT OFF; END;
MS SQL 分頁存儲過程