Re: [hibernate-dev] [OGM] Inheritance mapping in Neo4j
Hi, it makes sense but I don't think we can change the mapping now.
Could you do it as a new option? Would you be able to adjust the
queries as needed?
If you can make it a configuration property, default to the old style
mapping, and log a warning of using a deprecated mapping when the old
one is being used. This implies that people not choosing any mapping
style explicitly will see a warning (as the old one would still be the
default).
Thanks,
Sanne
On 16 November 2016 at 12:42, Davide D'Alto <davide(a)hibernate.org> wrote:
A user created the issue
https://hibernate.atlassian.net/browse/OGM-1210
The problem is that when we use the SingleTable strategy in Neo4j we
add a property DTYPE to the node to discriminate the entities instead
of using labels.
As an example, given an entity Player that extends Person we create:
(n:Person {DTYPE: Player})
instead of having a node with two labels:
(n:Person:Player)
I think the mapping with multiple labels is more natural than the one
we currently have.
I was wondering if we should fix this for the next release, the
problem is that I would need additional information in one of our
.spi.*Context and it will change the mapping.
The next release should be 5.1.Beta2
What do you think?
Thanks,
Davide
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