Knowledge Base

BUG: Precision for a Projected Column Always Reported as 255

Article ID: 137970

Article Last Modified on 7/27/2001

Microsoft Open Database Connectivity 2.0
Microsoft Open Database Connectivity 3.0

This article was previously published under Q137970

BUG# NT: 2350 (QJET)

SYMPTOMS

SQLDescribeCol always returns pcbColDef = 255 for a scalar function projected column of SQL_VARCHAR data type of defined length.

This problem occurs with all 16- and 32-bit Access drivers. This does not happen with SQL Server drivers.

STATUS

Microsoft has confirmed this to be a problem in the Access Driver versions 2.00.2317 and 3.00.2106. We are researching this problem and will post new information here in the Microsoft Knowledge Base as it becomes available.

MORE INFORMATION

To reproduce this problem:

The 'name' field is of type SQL_VARCHAR of defined length.
Select name, UCASE(name) from oof

SQLDescribeCol for column 2 returns pcbColDef = 255. also
Select name, {fn UCASE(name)} from oof

SQLDescribeCol for column 2 returns pcbColDef = 255.

Additional query words: odbc access driver connectivity sql

Keywords: kbbug KB137970