Question

error when trying to import data from Informix to SQL Server 2008

Asked by: k1ng87

I get the following error when I try to import data from Informix DB to SQL Server 2008 using the Import/Export Wizard in SQL Server:

TITLE: SQL Server Import and Export Wizard
------------------------------

Could not connect source component.

Error 0xc0047062: Source - sod [1]: System.Data.Odbc.OdbcException: ERROR [42000] [Informix][Informix ODBC Driver][Informix]A syntax error has occurred.
   at System.Data.Odbc.OdbcConnection.HandleError(OdbcHandle hrHandle, RetCode retcode)
   at System.Data.Odbc.OdbcCommand.ExecuteReaderObject(CommandBehavior behavior, String method, Boolean needReader, Object[] methodArguments, SQL_API odbcApiMethod)
   at System.Data.Odbc.OdbcCommand.ExecuteReaderObject(CommandBehavior behavior, String method, Boolean needReader)
   at System.Data.Odbc.OdbcCommand.ExecuteReader(CommandBehavior behavior)
   at System.Data.Odbc.OdbcCommand.ExecuteDbDataReader(CommandBehavior behavior)
   at System.Data.Common.DbCommand.System.Data.IDbCommand.ExecuteReader(CommandBehavior behavior)
   at Microsoft.SqlServer.Dts.Pipeline.DataReaderSourceAdapter.ReinitializeMetaData()
   at Microsoft.SqlServer.Dts.Pipeline.ManagedComponentHost.HostReinitializeMetaData(IDTSManagedComponentWrapper100 wrapper)

------------------------------
ADDITIONAL INFORMATION:

ERROR [42000] [Informix][Informix ODBC Driver][Informix]A syntax error has occurred. (iclit09b.dll)

------------------------------
BUTTONS:

OK
------------------------------


Its says could not connect to source component but it sees all the tables and when I run "Test Connection" for the ODBC connection through the import/export wizard, it can connect.

When I try to preview the table in the wizard, I get the following error:

TITLE: SQL Server Import and Export Wizard
------------------------------

The preview data could not be retrieved.

------------------------------
ADDITIONAL INFORMATION:

ERROR [42000] [Informix][Informix ODBC Driver][Informix]A syntax error has occurred. (iclit09b.dll)

------------------------------
BUTTONS:

OK
------------------------------

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Asked On
2009-11-06 at 19:01:00ID24879876
Topics

Informix Database

,

MS SQL Server

Participating Experts
2
Points
500
Comments
12

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Answers

 

by: k1ng87Posted on 2009-11-07 at 06:57:10ID: 25766516

I assume there is some kind of error in the SQL code that SSIS is using to retrieve the data from Informix?

 

by: QlemoPosted on 2009-11-07 at 10:36:50ID: 25767466

Could you try with the OLEDB provider of Informix instead?

 

by: k1ng87Posted on 2009-11-07 at 17:49:29ID: 25769016

How do I configure the OLEDB driver?

 

by: QlemoPosted on 2009-11-08 at 03:56:26ID: 25770198

Have a look at http://www-01.ibm.com/software/data/informix/pubs/library/csdk_29.html and http://publib.boulder.ibm.com/infocenter/idshelp/v10/topic/com.ibm.oledb.doc/oledb20.htm. Don't forget to apply the SQL script mentioned in the latter.

I know we had to experiment with the Informix Drivers some time ago, switching between ODBC and OLEDB, but each one had its cons. As I'm not at all experienced with Informix, I can only say the drivers seem to be rudimentary at most. Because of the restrictions, we ended up using a direct ODBC connection from the application instead of a linked server. I can't tell whether the Import/Export Wizard will cope with either driver.

 

by: flutophilusPosted on 2009-11-08 at 10:32:32ID: 25771306

Hmmm... I wonder if there's anything unusual about the table you're trying to import? DOes it have any blobs?

 

by: k1ng87Posted on 2009-11-08 at 15:02:45ID: 25772449

blobs?? not sure...but I can access the tables and import/link them fine with access

 

by: flutophilusPosted on 2009-11-09 at 01:37:20ID: 25774494

Blobs - Binary Large Objects ? Data types Text or Byte ?

Though if you can import the tables from Access it looks like there's no problem with the table or with the ODBC drivers, looks like the problem is with SSIS. I'm wondering if there's a problem matching the Informix data to SQL Server. Is it possible to just import a couple of columns, say a couple of fixed length character columns. If that works then add more columns to the import. Just an idea.

 

by: flutophilusPosted on 2009-11-09 at 01:42:20ID: 25774511

Or could you link the tables in Access and then use Access as your import driver?

 

by: flutophilusPosted on 2009-11-09 at 02:15:21ID: 25774636

Actually I've just been trying this myself

I'm using SQL2008.

I ran "Import and Export Data" from the installed programs which comes up Welcome to SQL Server Import and Export Wizard.

I took the Next option

As my source I took the .NET Framework Driver for ODBC.

And set my named connection string to my ODBC driver (Dsn = myodbc)

I took the Next option.

I set the destination to SQL Server Native Client 10.0 and selected a database.

I took the Next option.

   and I got the same error when I took the "copy data from one or more tables .." option in the wizard. Like you it also failed when I previewed.

So I tried the "Write a query option" instead: used "select * from mytable" as the sql query and then on the next page (Select Source Tables and Views) I tried the preview and it worked - it displayed the table.

SO then I took the Next option and I got an error "Column information .. could not be retrieved or the data types of source columns were not mapped correctly ...", so then I took "edit mappings" option and it showed me that a column in my informix had a Type of "23", all the rest were correctly identified as Char, Integer but this one was clearly confusing SSIS, and looking at it from the Informix side I can see that it's a Date type.

Now this is with SQL Server 2008 which supports a Date type (2005 and earlier don't) so it's surprising it gets confused.

So anyway in the"edit mappings" screen I changed the mapping to type "Date" and it ran OK (I got a warning about mapping files not being present which I ignored but it ran OK).
 
If you're running SQL2005 I woul imagine you could select the datetime type.

HTH

 

by: flutophilusPosted on 2009-12-02 at 01:54:21ID: 25950457

I gave a full and detailed answer to this problem (id 25774636). I went to the trouble of reproducing it and explained that it was due to incompatibility of data types between Informix and SQL Server.

20120131-EE-VQP-002

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