Ah, thank you very much for the clarification!

I'm gonna do some testing on that tomorrow.

Maybe you could add that piece of information to the documentation.

Esp. "they keep a direct pointer to the graph view that created them"
Best regards,
Stephan
-- 
Sent from my mobile device. Please excuse my brevity.

Am 17. November 2021 19:30:35 MEZ schrieb Tiago de Paula Peixoto 
<[email protected]>:
>Am 15.11.21 um 17:55 schrieb Monecke, Stephan:
>> Hi together!
>> 
>> 
>> 
>> I just noticed that vertices that had been saved within an external list are 
>> not being updated when filtering the graph:
>> 
>> 
>>  >>> G.set_edge_filter(  G.edge_properties[  'e_isbus'], inverted=True)
>>  >>> G.set_vertex_filter(G.vertex_properties['v_isbus'], inverted=True)
>> 
>>  >>> print( [ int(n) for n in node.all_neighbors() ] )
>> [101, 22, 265, 496, 518, 22, 265, 496, 101, 518]
>> 
>>  >>> print( [ int(n) for n in G.vertex( int(node) ).all_neighbors() ] )
>> [101, 22, 265, 22, 265, 101]
>> 
>> 
>> Did I miss something or is this a bug?
>
>I don't view this as a bug. Vertex descriptors are supposed to be ephemeral 
>objects that you create in an ad hoc way. For performance reasons they keep a 
>direct pointer to the graph view that created them. If you want to store 
>vertices and look them up, it's better just to store their index, and get a 
>descriptor at the time you need it.
>
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