Sorry, since you did not explicitly say, just assumed you meant a db error.
Can't tell you why this breaks as I have not looked at that projection stuff. I would guess that it is not *properly* resolving the return types until there is actually a result set. -----Original Message----- From: Max Rydahl Andersen [mailto:[EMAIL PROTECTED] Sent: Friday, January 28, 2005 2:30 PM To: Steve Ebersole; Hibernate development Subject: Re: [Hibernate] Criteria curiosity... but this check is something hibernate generates. its not db dependent AFAIK. > Not sure which DB you are using, but for example I've noticed that HSQL > seems to not parse the entire statement string upfront which can lead to > issue like this. It leaves parsing certain pieces relative to its > internal working datasets; if there are no results in those working > sets, you get no errors. Specifically I have seen this with correlated > sub-queries. > > > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of Max > Rydahl Andersen > Sent: Friday, January 28, 2005 9:56 AM > To: Hibernate development > Subject: [Hibernate] Criteria curiosity... > > Hi, > > while working on Critiera i "bumped" into this funny behavior: > > Doing the following Critieria on an empty db gives no error: > > s.createCriteria(Student.class) > .add( Expression.like("name", "Gavin", > MatchMode.START) ) > .addOrder( Order.asc("name") ) > .createCriteria("enrolments", "e") > .addOrder( Order.desc("year") ) > .addOrder( Order.desc("semester") ) > .createCriteria("course") > .addOrder( Order.asc("description") ) > .setProjection( Expression.projection() > .add( > Expression.property("this.name") ) > .add( > Expression.property("e.year") ) > .add( > Expression.property("e.semester") ) > .add( > Expression.property("courseCode") ) > .add( > Expression.property("description") ) > ) > .uniqueResult(); > > but when data is available i get an error saying > that courseCode is not available on Student - which is totally correct. > > (using explicit criteria aliases solves it) > > I'm just wondering why this is not discovered when the query gives no > result - it should still be able to tell > that courseCode is not on Student - is this expected behavior ? > -- Using Opera's revolutionary e-mail client: http://www.opera.com/mail/ ------------------------------------------------------- This SF.Net email is sponsored by: IntelliVIEW -- Interactive Reporting Tool for open source databases. Create drag-&-drop reports. Save time by over 75%! Publish reports on the web. Export to DOC, XLS, RTF, etc. Download a FREE copy at http://www.intelliview.com/go/osdn_nl _______________________________________________ hibernate-devel mailing list hibernate-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/hibernate-devel
