sql2000/2005中高效分页存储过程实例

作者：袖梨 2022-06-29
 代码如下 复制代码
CREATE PROCEDURE [dbo].[ProcCustomPage]
    (
     @Table_Name varchar(5000),    --表名
     @Sign_Record varchar(50),     --主键
     @Filter_Condition varchar(1000),    --筛选条件,不带where
     @Page_Size int,     --页大小
     @Page_Index int,       --页索引      
   @TaxisField varchar(1000), --排序字段
     @Taxis_Sign int,     --排序方式 1为 DESC, 0为 ASC
@Find_RecordList varchar(1000),   --查找的字段
     @Record_Count int     --总记录数
     )
     AS
      BEGIN
      DECLARE @Start_Number int
      DECLARE @End_Number int
      DECLARE @TopN_Number int
     DECLARE @sSQL varchar(8000)
if(@Find_RecordList='')
BEGIN
SELECT @Find_RecordList='*'
END
     SELECT @Start_Number =(@Page_Index-1) * @Page_Size
      IF @Start_Number<=0
     SElECT @Start_Number=0
      SELECT @End_Number=@Start_Number+@Page_Size
      IF @End_Number>@Record_Count
     SELECT @End_Number=@Record_Count
     SELECT @TopN_Number=@End_Number-@Start_Number
     IF @TopN_Number<=0
     SELECT @TopN_Number=0
      print @TopN_Number
     print @Start_Number
     print @End_Number
     print @Record_Count
IF @TaxisField=''
begin
select @TaxisField=@Sign_Record
end
     IF @Taxis_Sign=0
       BEGIN
         IF @Filter_Condition=''
         BEGIN
           SELECT @sSQL='SELECT '+@Find_RecordList+' FROM '+@Table_Name+'
           WHERE '+@Sign_Record+' in (SELECT TOP '+CAST(@TopN_Number AS VARCHAR(10))+' '+@Sign_Record+' FROM '+@Table_Name+'
            WHERE '+@Sign_Record+' in (SELECT TOP '+CAST(@End_Number AS VARCHAR(10))+' '+@Sign_Record+' FROM '+@Table_Name+'
          ORDER BY '+@TaxisField+') order by '+@TaxisField+' DESC)order by '+@TaxisField
         END
        ELSE
        BEGIN
        SELECT @sSQL='SELECT '+@Find_RecordList+' FROM '+@Table_Name+'
     WHERE '+@Sign_Record+' in (SELECT TOP '+CAST(@TopN_Number AS VARCHAR(10))+' '+@Sign_Record+' FROM '+@Table_Name+'
     WHERE '+@Sign_Record+' in (SELECT TOP '+CAST(@End_Number AS VARCHAR(10))+' '+@Sign_Record+' FROM '+@Table_Name+'
     WHERE '+@Filter_Condition+' ORDER BY '+@TaxisField+') and '+@Filter_Condition+' order by '+@TaxisField+' DESC) and '+@Filter_Condition+' order by '+@TaxisField
         END
      END
    ELSE
      BEGIN
      IF @Filter_Condition=''
        BEGIN
          SELECT @sSQL='SELECT '+@Find_RecordList+' FROM '+@Table_Name+'
     WHERE '+@Sign_Record+' in (SELECT TOP '+CAST(@TopN_Number AS VARCHAR(10))+' '+@Sign_Record+' FROM '+@Table_Name+'
     WHERE '+@Sign_Record+' in (SELECT TOP '+CAST(@End_Number AS VARCHAR(10))+' '+@Sign_Record+' FROM '+@Table_Name+'
     ORDER BY '+@TaxisField+' DESC) order by '+@TaxisField+')order by '+@TaxisField+' DESC'
     END
      ELSE
      BEGIN
        SELECT @sSQL='SELECT '+@Find_RecordList+' FROM '+@Table_Name+'
     WHERE '+@Sign_Record+' in (SELECT TOP '+CAST(@TopN_Number AS VARCHAR(10))+' '+@Sign_Record+' FROM '+@Table_Name+'
     WHERE '+@Sign_Record+' in (SELECT TOP '+CAST(@End_Number AS VARCHAR(10))+' '+@Sign_Record+' FROM '+@Table_Name+'
     WHERE '+@Filter_Condition+' ORDER BY '+@TaxisField+' DESC) and '+@Filter_Condition+' order by '+@TaxisField+') and '+@Filter_Condition+' order by '+@TaxisField+' DESC'
     END
      END
      EXEC (@sSQL)
      IF @@ERROR<>0
      RETURN -3
     RETURN 0
     END
    
     PRINT @sSQL
GO

sql2005

 代码如下 复制代码

CREATE PROCEDURE [dbo].[GetRecordFromPage]
@SelectList VARCHAR(2000), --欲选择字段列表
@TableSource VARCHAR(100), --表名或视图表
@SearchCondition VARCHAR(2000), --查询条件
@OrderExpression VARCHAR(1000), --排序表达式
@PageIndex INT = 1, --页号,从0开始
@PageSize INT = 10 --页尺寸
AS
BEGIN
IF @SelectList IS NULL OR LTRIM(RTRIM(@SelectList)) = ''
BEGIN
SET @SelectList = '*'
END
PRINT @SelectList

SET @SearchCondition = ISNULL(@SearchCondition,'')
SET @SearchCondition = LTRIM(RTRIM(@SearchCondition))
IF @SearchCondition <> ''
BEGIN
IF UPPER(SUBSTRING(@SearchCondition,1,5)) <> 'WHERE'
BEGIN
SET @SearchCondition = 'WHERE ' + @SearchCondition
END
END
PRINT @SearchCondition

SET @OrderExpression = ISNULL(@OrderExpression,'')
SET @OrderExpression = LTRIM(RTRIM(@OrderExpression))
IF @OrderExpression <> ''
BEGIN
IF UPPER(SUBSTRING(@OrderExpression,1,5)) <> 'WHERE'
BEGIN
SET @OrderExpression = 'ORDER BY ' + @OrderExpression
END
END
PRINT @OrderExpression

IF @PageIndex IS NULL OR @PageIndex < 1
BEGIN
SET @PageIndex = 1
END
PRINT @PageIndex
IF @PageSize IS NULL OR @PageSize < 1
BEGIN
SET @PageSize = 10
END
PRINT @PageSize

DECLARE @SqlQuery VARCHAR(4000)

SET @SqlQuery='SELECT '+@SelectList+',RowNumber
FROM
(SELECT ' + @SelectList + ',ROW_NUMBER() OVER( '+ @OrderExpression +') AS RowNumber
FROM '+@TableSource+' '+ @SearchCondition +') AS RowNumberTableSource
WHERE RowNumber BETWEEN ' + CAST(((@PageIndex - 1)* @PageSize+1) AS VARCHAR)
+ ' AND ' +
CAST((@PageIndex * @PageSize) AS VARCHAR)
-- ORDER BY ' + @OrderExpression
PRINT @SqlQuery
SET NOCOUNT ON
EXECUTE(@SqlQuery)
SET NOCOUNT OFF

RETURN @@RowCount
END

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