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--提取分页数据，返回总记录数 Create procedure [dbo].[sp_Common_GetDataPaging_ReturnDataCount] ( @SqlString varchar(max), --查询语句 @PageNumber int, --当前的页码 @PageSize int, --每页显示的数据量 @SequenceField varchar(100), --排序字段 @DataCount int
out --总数据量 ) as begin DECLARE
@SqlAll VARCHAR(MAX) DECLARE
@Sql1 VARCHAR(MAX) SET @SqlAll= @SqlString--提取总记录数 declare
@Sqlcount nvarchar(max) set @Sqlcount = ISNULL(@Sql1,‘ ‘)+‘ ‘+N‘select @countNum = count(1) from (‘+@SqlString+‘) as aaaaaaaaa‘exec sp_executesql @Sqlcount,N‘@countNum int out‘,@DataCount out declare
@BNum int declare
@ENum int declare
@sql2 varchar(max);set @BNum = (@PageNumber-1)*@PageSize+1 set @ENum = @PageNumber*@PageSize if(@PageNumber>200 or
@PageSize>200) beginset @SqlString = substring(@SqlString,charindex(‘select‘,@SqlString)+6,len(@SqlString)) --set @SqlString = ‘SELECT * FROM (SELECT ROW_NUMBER() OVER ( ORDER BY ‘+@SequenceField+‘ ) AS RowNumber121 ,‘+@SqlString +‘ ) as pageinga123 WHERE RowNumber121 BETWEEN ‘+convert(varchar(10),@BNum)+‘ AND ‘+convert(varchar(10),@ENum)+‘ ORDER BY RowNumber121 ‘ set @SqlString = ‘SELECT * into #temp FROM ( SELECT ROW_NUMBER() OVER ( ORDER BY ‘+@SequenceField+‘ ) AS RowNumber121 ,‘+@SqlString +‘ ) as pageinga123 ‘ set @SqlString=@SqlString+‘ CREATE INDEX mycolumn_index ON #temp (RowNumber121) ‘set @sql2=‘select *from #temp WHERE RowNumber121 BETWEEN ‘+convert(varchar(10),@BNum)+‘ AND ‘+convert(varchar(10),@ENum)+‘ ORDER BY RowNumber121 ‘SET @Sql1 = ISNULL(@Sql1,‘ ‘)+‘ ‘+ @SqlString+@sql2--SET @Sql1 = ISNULL(@Sql1,‘ ‘)+‘ ‘+ @SqlStringexec(@Sql1)endelse beginset @SqlString = substring(@SqlString,charindex(‘select‘,@SqlString)+6,len(@SqlString)) set @SqlString = ‘SELECT * FROM (SELECT ROW_NUMBER() OVER ( ORDER BY ‘+@SequenceField+‘ ) AS RowNumber121 ,‘+@SqlString +‘ ) as pageinga123 WHERE RowNumber121 BETWEEN ‘+convert(varchar(10),@BNum)+‘ AND ‘+convert(varchar(10),@ENum)+‘ ORDER BY RowNumber121 ‘ SET @Sql1 = ISNULL(@Sql1,‘ ‘)+‘ ‘+ @SqlStringexec(@Sql1) endend |
SQL ROW_NUMBER() 通用分页存储过程,布布扣,bubuko.com
原文：http://www.cnblogs.com/zhang9418hn/p/3670044.html