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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)
begin
set @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 begin
set @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,‘ ‘)+‘ ‘+ @SqlString
exec(@Sql1)
end
end |