[译]SQL高效分页脚本

DECLARE @fromDate DATETIME 
DECLARE @toDate DATETIME
DECLARE @currentPage INT
DECLARE @pageSize INT
DECLARE @startRowNumber INT
DECLARE @endRowNumber INT
 
SET @fromDate = '2011-01-01'
SET @toDate = '2012-01-01'

SET @currentPage = 2
SET @pageSize = 10
SET @startRowNumber = (@currentPage - 1) * @pageSize + 1
SET @endRowNumber = @currentPage * @pageSize
 
SELECT tmp.TotalRecords, tmp.TransDate, tmp.TransDesc, tmp.Amount
FROM 
(
  SELECT 
    -- Total records, a bit redundant but only need one time select 
    COUNT(1) OVER() AS TotalRecords, 
    -- Row number
    ROW_NUMBER() OVER(ORDER BY TransDate DESC) AS RowNumber, 
    -- Other columns
    TransDate, TransDesc, Amount
  FROM MainTrans WITH(NOLOCK) -- No need to lock row/table for select
  WHERE TransDate BETWEEN @fromDate AND @toDate
) tmp 
WHERE tmp.RowNumber BETWEEN @startRowNumber AND @endRowNumber

作者：qq283868910 发表于2012-1-7 17:12:17 原文链接

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