Re: Multiple many-to-many with single-table inheritance
Re: Multiple many-to-many with single-table inheritance
- Subject: Re: Multiple many-to-many with single-table inheritance
- From: Amedeo Mantica <email@hidden>
- Date: Sun, 4 Dec 2005 15:59:57 +0100
please explain better
can you add a EOmodeler graphical view screenshot?
amedeo
On 04/dic/05, at 06:00, Drew Thoeni wrote:
I have a set of two objects:
Project
Employee
The Project has three attributes that relate to Employee:
projectOwnerID
consultantID
projectManagerID
I'd like to use single-table inheritance and have Employee with
children.
It is unclear to me how to create three many-to-many joins in
EOModeler between the two Objects (Project and Employee).
Is this possible? I can create the first one using "Join in Many-to-
Many", but adding the next fails as EOModeler has already created a
flattened relationship for "projects" and "employees."
The best idea I have is to rename the relationships from
"employees" to "owners", "consultants", and "projectManagers" and
rename the other side as "ownerProjects", "consultantProjects", and
"projectManagerProjects."
Is this the proper method?
Regards,
Drew
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