create procedure dbo.CommonRowToCol
@sql nvarchar(4000)
as
begin
--必须包含colname列和result列(不区分大小写),
--除colname列和result列 其余各列均会作为判别记录唯一性的条件
create table #temp([序号] int IDENTITY(1,1))
declare @sqlTemp nvarchar(4000),@sql_select nvarchar(1000),@temp nvarchar(500)
declare @sql_All nvarchar(4000),@sql_Table nvarchar(1000),@sql_declare nvarchar(1000),@sql_Fetch nvarchar(1000) ,
@sql_id nvarchar(1000),@sql_id2 nvarchar(1000),@sql_insert nvarchar(1000),@sql_value nvarchar(1000)
set @sql_select = '' set @sql_All = '' set @sql_Table ='' set @sql_declare = '' set @sql_Fetch = ''
set @sql_id = '' set @sql_id2 = '' set @sql_insert='' set @sql_value = ''
set @sql = lower(LTRIM(@sql))
set @sqlTemp = @sql
set @sqlTemp = ' select top 0 * into #tempTbl from ('+@sqlTemp+')z '+
' select @temp = Name+'',''+@temp from ( select top 1111 name from tempdb..syscolumns where id = object_id(N''tempdb..#tempTbl'') order by colorder )z '
EXECUTE sp_executesql @sqlTemp, N'@temp nvarchar(1000) output',@sql_select output
while charindex(',',@sql_select) > 0
begin
select @temp = lower(LEFT(@sql_select,charindex(',',@sql_select)-1))
select @sql_select = stuff(@sql_select,1,charindex(',',@sql_select),'')
if (@temp <> 'colname') and (@temp<>'result')
begin
set @sql_Table = ' ['+@temp+'] nvarchar(1000),' + @sql_Table
set @sql_insert = ' ['+@temp+'],' + @sql_insert
set @sql_value ='isnull(@'+@temp+',''''),'+@sql_value
set @sql_id = ' ['+@temp+'] = isnull(@'+@temp+','''') and' + @sql_id
set @sql_id2 = ' ['+@temp+'] = isnull(''''''+@'+@temp+'+'''''' ,'''''''') and' + @sql_id2
end;
set @sql_declare = ' @'+@temp+' nvarchar(1000),'+@sql_declare
set @sql_Fetch = ' @'+@temp+','+@sql_Fetch
end;
set @sql_Table = 'ALTER TABLE #temp ADD ' +left(@sql_Table,len(@sql_table)-1)+' '
set @sql_declare = 'declare @sqlTemp nvarchar(4000),' +left(@sql_declare,len(@sql_declare)-1) + ' '
set @sql_Fetch = left(@sql_Fetch,len(@sql_fetch)-1) + ' '
set @sql_id = left(@sql_id,len(@sql_id)-3) + ' '
set @sql_id2 = left(@sql_id2,len(@sql_id2)-3) + ' '
set @sql_insert = left(@sql_insert,len(@sql_insert)-1) + ' '
set @sql_value = left(@sql_value,len(@sql_value)-1) + ' '
set @sql_All = @sql_declare +
' Declare myCur Cursor For '+ @sql + ' Open myCur Fetch NEXT From myCur Into '+ @sql_Fetch+
' While @@fetch_status=0 Begin '+
' if not exists(select * from tempdb..syscolumns where id = object_id(N''tempdb..#temp'') and name = @colName)
begin
set @sqlTemp =''alter table #temp add [''+@colName+''] nvarchar(4000) ''
exec(@sqlTemp)
end
if not exists(select * from #temp where '+@sql_id+')
begin
insert into #temp('+@sql_insert+') values('+@sql_value+')
end
set @sqlTemp ='' update #temp set [''+@colName+''] = isnull(''''''+@result+'''''','''''''') where ' + @sql_id2+'''
exec(@sqlTemp)
Fetch NEXT From myCur Into '+ @sql_Fetch+
'end
Close myCur
Deallocate myCur
select * from #temp
'
exec (@sql_Table)
exec(@sql_All)
end
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