neeraj1401
Starting Member
36 Posts |
Posted - 2008-12-03 : 00:47:48
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Hi, I'm tring to export all table to xls file with header , I'm using the following code its working fine for tables who have less columns but i'm geeting some error for large table (having more then 100 columns).please sugesst .............@columnConvert is taking only 4000 character .........i already defined its length to 8000 use mastergoif object_id('spExportData') is not null drop proc spExportDatagocreate proc spExportData ( @dbName varchar(100) = 'master', @sql varchar(5000) = '', @fullFileName varchar(100) = '')asif @sql = '' or @fullFileName = ''begin select 0 as ReturnValue -- failure returnend -- if DB isn't passed in set it to masterselect @dbName = 'use ' + @dbName + ';'if object_id('##TempExportData') is not null drop table ##TempExportDataif object_id('##TempExportData2') is not null drop table ##TempExportData2-- insert data into a global temp tabledeclare @columnNames varchar(8000), @columnConvert varchar(8000), @tempSQL varchar(8000)select @tempSQL = left(@sql, charindex('from', @sql)-1) + ' into ##TempExportData ' + substring(@sql, charindex('from', @sql)-1, len(@sql))exec(@dbName + @tempSQL)if @@error > 0begin select 0 as ReturnValue -- failure returnend -- build 2 lists-- 1. column names-- 2. columns converted to nvarcharSELECT @columnNames = COALESCE( @columnNames + ',', '') + column_name, @columnConvert = COALESCE( @columnConvert + ',', '') + 'convert(nvarchar(4000),' + column_name + case when data_type in ('datetime', 'smalldatetime') then ',121' when data_type in ('numeric', 'decimal') then ',128' when data_type in ('float', 'real', 'money', 'smallmoney') then ',2' when data_type in ('datetime', 'smalldatetime') then ',120' else '' end + ') as ' + column_nameFROM tempdb.INFORMATION_SCHEMA.ColumnsWHERE table_name = '##TempExportData'-- execute select query to insert data and column names into new temp tableSELECT @sql = 'select ' + @columnNames + ' into ##TempExportData2 from (select ' + @columnConvert + ', ''2'' as [temp##SortID] from ##TempExportData union all select ''' + replace(@columnNames, ',', ''', ''') + ''', ''1'') t order by [temp##SortID]'exec (@sql)-- build full BCP queryselect @sql = 'bcp "' + @dbName + ' select * from ##TempExportData2" queryout "' + @fullFileName + '" -c -CRAW'-- execute BCPExec master..xp_cmdshell @sqlif @@error > 0begin select 0 as ReturnValue -- failure returnenddrop table ##TempExportDatadrop table ##TempExportData2select 1 as ReturnValue -- successgodeclare @sql varchar(6800), @dbName varchar(100), @fullFileName varchar(100)select @dbName = 'northwind', @sql = 'select * from orders order by orderdate', @fullFileName = 'e:\test.xls'exec master..spExportData @dbName, @sql, @fullFileName |
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