When you say 'local', do you mean local to VertexProperty IDs only as
opposed to 'global' including Vertex IDs and Edge IDs?

Robert Dale


On Thu, Sep 13, 2018 at 11:29 AM Stephen Mallette <[email protected]>
wrote:

> I probably should have added this yesterday when I replied but +1 to local
> uniqueness for vertex property identifiers. kinda surprised that we didn't
> have this enforced already in the test suite.
>
> On Wed, Sep 12, 2018 at 3:14 PM Stephen Mallette <[email protected]>
> wrote:
>
> > that much actually makes sense - the problem is the TinkerGraph default
> > configuration and Java Number Brain Damage
> >
> > On Wed, Sep 12, 2018 at 3:12 PM Robert Dale <[email protected]> wrote:
> >
> >> Very strange indeed...
> >>
> >> gremlin> g = TinkerGraph.open().traversal()
> >> ==>graphtraversalsource[tinkergraph[vertices:0 edges:0], standard]
> >> gremlin>  g.addV().property('name','marko')
> >> ==>v[0]
> >> gremlin> g.addV().property(single, 'name', 'stephen', id, 4L)
> >> ==>v[2]
> >> gremlin> g.addV().property('name','daniel')
> >> ==>v[3]
> >> gremlin> g.V().valueMap(true)
> >> ==>[id:0,label:vertex,name:[marko]]
> >> ==>[id:2,label:vertex,name:[stephen]]
> >> ==>[id:3,label:vertex,name:[daniel]]
> >> gremlin> g.V().properties().valueMap(true)
> >> ==>[id:1,key:name,value:marko]
> >> ==>[id:4,key:name,value:stephen]
> >> ==>[id:4,key:name,value:stephen]
> >>
> >> v3.3.3
> >>
> >> Robert Dale
> >>
> >>
> >> On Wed, Sep 12, 2018 at 2:21 PM Daniel Kuppitz <[email protected]> wrote:
> >>
> >> > Right now we don't enforce uniqueness of property ids, which can lead
> to
> >> > very weird results:
> >> >
> >> > gremlin> g = TinkerGraph.open().traversal()
> >> > ==>graphtraversalsource[tinkergraph[vertices:0 edges:0], standard]
> >> > gremlin> g.addV().property(single, 'foo', 'bar', id,
> 1).property(single,
> >> > 'bar', 'baz', id, 1)
> >> > ==>v[0]
> >> > gremlin> g.V().properties().hasId(1)
> >> > ==>vp[bar->baz]
> >> > ==>vp[bar->baz]
> >> >
> >> >
> >> > If we allow users to manually specify property ids, the above query
> >> should
> >> > throw an exception.
> >> >
> >> > IMO, local uniqueness should be enough (given alone the complexity it
> >> would
> >> > require to ensure global uniqueness).
> >> >
> >> > Thoughts? Objections? More/other suggestions?
> >> >
> >> > Cheers,
> >> > Daniel
> >> >
> >>
> >
>

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