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From Michael Gentry <blackn...@gmail.com>
Subject Re: ExpressionFactory help
Date Mon, 04 Feb 2019 11:49:41 GMT
https://cayenne.apache.org/docs/3.1/cayenne-guide/#expressions


On Mon, Feb 4, 2019 at 5:24 AM Amedeo Mantica <amedeomantica@me.com.invalid>
wrote:

> oh, cool, thank you !
> btw, where I can find docs for these ?
>
> > On 4 Feb 2019, at 11:20, Andrus Adamchik <andrus@objectstyle.org> wrote:
> >
> > Sorry, forgot plus sign for outer join:
> >
> > ExpressionFactory.matchExp("paintings+", null)
> >
> >
> >> On Feb 4, 2019, at 1:19 PM, Andrus Adamchik <andrus@objectstyle.org>
> wrote:
> >>
> >> In 3.x the idea is the same, though Property API is not available of
> course. So you can do this instead:
> >>
> >> ExpressionFactory.matchExp("paintings", null)
> >>
> >> Andrus
> >>
> >>
> >>> On Feb 4, 2019, at 12:29 PM, Amedeo Mantica
> <amedeomantica@me.com.INVALID> wrote:
> >>>
> >>> in Cayenne 3.x ?
> >>>
> >>>> On 4 Feb 2019, at 09:17, Arseni Bulatski <abulatski@objectstyle.com>
> wrote:
> >>>>
> >>>> Hi
> >>>> You can do it in that way:
> >>>> Artist.PAINTINGS.outer().isNull()
> >>>>
> >>>>
> >>>>
> >>>> On Sun, Feb 3, 2019 at 10:19 PM Amedeo Mantica
> <amedeomantica@me.com.invalid>
> >>>> wrote:
> >>>>
> >>>>> Hi all,
> >>>>>
> >>>>> Which is the correct Expression to use in order to select objects
> thats
> >>>>> have an 1:many relationship empty ?
> >>>>>
> >>>>> Thank you
> >>>>> Amedeo
> >>>
> >>
> >
>
>

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