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 Cannot map the lookup column Error

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ssis_newbee
Starting Member

8 Posts

Posted - 2011-08-10 : 07:55:28
HI ,



my SSIS Package, has a data flow which fetches data from SQL , where data access mode is from SQL Command from Variable. After this i have a look up , where OLEDB Source data is been looked up with Access 2007 source data.



All works fine but look up does not handle case sensitivity , where my complete data does not pass in look up.



My source sample data (OLEDB)

ID Name

1 ABC

2 CDE

3 fgh

Access Data

ID Name Address

1 ABC hyd

2 CDE mumb

3 fgh Chennai



so i have used a Query in Access to Convert Name to upper case

SELECT ID, Ucase(Name) as Name, Address FROM User



and tried look up with Name column

where i received the error



Cannot map the lookup column (Name), because the column data type is a binary large object block (BLOB).



I tried to convert Name column to string by using the query



have used a Query in Access to Convert Name to upper case

SELECT ID, Cstr(Ucase(Name)) as Name, Address FROM User

Still i receive the same error.



I planned to use Fuzzy look up instead, but i see that Fuzzy look up can peform a look up only to a SQL Table which will not work in my case.



Please let me know your inputs in solving this scenario.



Thanks in advance

visakh16
Very Important crosS Applying yaK Herder

52326 Posts

Posted - 2011-08-10 : 08:01:36
try to cast the field to varchar(max) and then use it. alternatively you can try casting it inside ssis derived column also

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SQL Server MVP
http://visakhm.blogspot.com/

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ssis_newbee
Starting Member

8 Posts

Posted - 2011-08-10 : 08:08:23
Hi Vishak,

Thanks very much for the reply.

I have Access source as my look up data, i dont have varchar(max) data type in access.

for this Access data in look up, we cant use derived column transofrmation right
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