Thanks Scott. I didn't find this in the mail archive...
Do you mean define an entity WITHOUT the BLOB fields, and another, pointing on the same table, WITH ONLY the BLOB fields ? I guess it will work but I thought there was a built in mechanism to handle the BLOB fields differently than the standard ones... Pierre On Tue, Oct 7, 2008 at 6:29 PM, Scott Anderson <[EMAIL PROTECTED]>wrote: > Someone asked a similar question before - the clever solution was to map > the field in the modeler as if it were part of a separate table. > > -----Original Message----- > From: Pierre Lavignotte [mailto:[EMAIL PROTECTED] > Sent: Tuesday, October 07, 2008 12:26 PM > To: user@cayenne.apache.org > Subject: How to prevent Cayenne from fetching BLOB fields ? > > Hello, > > I use Apache Cayenne for a while now with no problem, but I went into a > new > issue today. > > I have an Oracle data table containing 2 BLOB fields. > When I get the rows from this table, Cayenne also fetches the BLOB data, > so > the query is veeeeery long, or I get a time out exception. > > I tryed : > > SelectQuery query = new SelectQuery(MyClass.class); > query.setFetchingDataRows(false); > context.performQuery(query); > > and to define an Object Select Query in the modeler but the result is > the > same. > > What I would like is the BLOB data to be fetched only on demand, when I > call > the myEntity.getMyBlobField() method. > > Did I miss someting ? > > > Thank you for your help, > Pierre > -- Cordialement, Pierre Lavignotte Ingénieur Conception & Développement http://pierre.lavignotte.googlepages.com