Re: Problem retrieveing results from a query withan IMAGE field
"ZIGLIO, Frediano, VF-IT" <[email protected]>
| Newsgroups | gmane.comp.db.tds.freetds |
|---|---|
| Message-ID | <[email protected]> |
> > Il giorno mer, 04/06/2008 alle 15.05 -0300, Daniel A. Veiga > ha scritto: > > This is the TDSDUMP log generated for the same program I sent the > > unixODBC log file for. I hope it helps ... > > > > Daniel > > > > it helps, it helps :) > > The code which cause the problem is in _SQLFetch > > > /* TODO change when we code cursors support... */ > /* stop looping, forward cursor support only one row */ > num_rows = 1; > > well.. this tell to stop processing rows if an unbinded > column is found. > This is done to allow getting results using SQLGetData > however we send a > cursor fetch for 20 rows so in this case we have still to read 19 rows > when SQLFetchScroll returns :( > > Well... for forward only cursors this is correct for perhaps > for cursors > is not... I think the correct processing should be fetch all > 20 rows or > request only a row (I think the last is the most probable)... > I'll have > to test. > commenting num_rows = 1 line seems to fix the problem. Under ODBC 2 SQLFetch returns only a row and does not take into account fetched_ptr, array_size and status_ptr. freddy77