Indeed :). I’ve been looking at the Expression classes for a while now and they look a little daunting. Any recommendations on where to start? Is there a developer guide or an annotated example implementation somewhere?
- hugi > On 24. júl. 2015, at 15:59, Andrus Adamchik <[email protected]> wrote: > > Classic open source - "scratch your own itch" :) > > >> On Jul 24, 2015, at 6:54 PM, Hugi Thordarson <[email protected]> wrote: >> >> Thanks Andrus, we’ll revert to EJBQL for now. >> >> Looks like an excellent opportunity to try and implement my first Expression >> class :) >> >> - hugi >> >> >> >>> On 24. júl. 2015, at 15:36, Andrus Adamchik <[email protected]> wrote: >>> >>> We should add it. For now OUTER JOIN should do the trick: >>> >>> "a.paintingArray+ = null" >>> >>> Also EJBQL syntax supports "IS [NOT] EMPTY" : >>> >>> "SELECT a FROM Artist a WHERE a.paintingArray IS EMPTY" >>> >>> Andrus >>> >>>> On Jul 24, 2015, at 5:51 PM, Hugi Thordarson <[email protected]> wrote: >>>> >>>> Hi all. >>>> Does Cayenne have an Expression class that allows searching for objects >>>> with an empty to-many relationships? If not, any pointers towards a >>>> sensible approach? >>>> >>>> Cheers, >>>> - hugi >>>> >>>> // Hugi Thordarson >>>> // http://www.loftfar.is/ <http://www.loftfar.is/> >>>> // s. 895-6688 >>>> >>>> >>>> >>> >> >
