Large(123 column) ResultSet loads only first 20 columns

Question

Hi,
I have inherited an app which cannot get columns beyond 20th column on the ResultSet. Do I need to detect that whole row was not pulled into memory in this case and then refresh buffers? If so how do you do this or is there a way to control?
vector<MetaData> colvector = rs->getColumnListMetaData();
cout << "Number of columns " << colvector.size() << endl; // Reports 123 columns
MetaData& colRef = colvector[i-1]; // Will work for i=1 to 20
Type t = colRef.getAttributeType(i); // exception seems to be thrown on i=21
int attrCount = colRef.getAttributeCount();
cout << i << " attribute count " << attrCount << endl; // attrCount always 20
Does AttributeCount refer to number of available columns?
I could report the exception details if available. Code is wrapped in try{...} catch (SQLException) {...} But when error occurs control is passed to _CrtIsValidHeapPointer. Is this an indication that libs are in conflict?
System Details: Windows XP pro SP2, VC71, Oracle 9.2.?? linking against oraocci10d.lib.
Other code that I have admittedly not selecting so many columns works fine.

Answer 1

Could you try oracle 10 (install instant client 10 or a full oracle client, whatever)?
As far as you're using oraocci10 libraries it could be a point.
--Andrew