Sorry never tried that, I only now that is not the way the Criteria class is meant to be used. So I let developers talk about that. Alternatively you can dig into the peer classes source code: I have done a few times to understand Torque behaviour and is quite well written and readable
Ludwig Magnusson ha scritto: > Yes that works, but that was not what I asked. > My question was, how can the methods and(), add() and or() all generate the > same result? > > -----Original Message----- > From: Ivano Luberti [mailto:lube...@archicoop.it] > Sent: den 5 februari 2010 14:10 > To: Apache Torque Users List > Subject: Re: Criteria.or not working? > > If you want to combine clauses mixinn and and or operators you should > use Criterion. > > Look here for an introduction to how build queries using Criteria and > Criterion > > http://db.apache.org/torque/releases/torque-3.3/runtime/reference/read-from- > db.html > > Ludwig Magnusson ha scritto: > >> Hi! >> >> I have done some testing during development of a project here and it seems >> that criteria.and([parameters]), criteria.add([parameters]) and >> criteria.or([parameters]) all generate the same query to the database. >> >> >> >> E.g these three code snippets: >> >> Criteria criteria = new Criteria(); >> >> criteria.and("user.first_name", "John"); >> >> criteria.and("user.last_name", "Doe"); >> >> UserPeer.doSelect(criteria); >> >> >> >> Criteria criteria = new Criteria(); >> >> criteria.add("user.first_name", "John"); >> >> criteria.add("user.last_name", "Doe"); >> >> UserPeer.doSelect(criteria); >> >> >> >> Criteria criteria = new Criteria(); >> >> criteria.or("user.first_name", "John"); >> >> criteria.or("user.last_name", "Doe"); >> >> UserPeer.doSelect(criteria); >> >> >> >> . would all generate the Sql query >> >> SELECT * FROM USER WHERE first_name = "John" AND last_name = "Doe"; >> >> >> >> How can this be? >> >> /Ludwig >> >> >> >> > > -- ================================================== dott. Ivano Mario Luberti Archimede Informatica societa' cooperativa a r. l. Sede Operativa Via Gereschi 36 - 56126- Pisa tel.: +39-050- 580959 tel/fax: +39-050-9711344 web: www.archicoop.it ================================================== --------------------------------------------------------------------- To unsubscribe, e-mail: torque-user-unsubscr...@db.apache.org For additional commands, e-mail: torque-user-h...@db.apache.org
