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 <amedeomant...@me.com.INVALID>
> wrote:
>
> in Cayenne 3.x ?
>
>> On 4 Feb 2019, at 09:17, Arseni Bulatski <abulat...@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 <amedeomant...@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
>
