Re: Phantom vertices
Robert Dale <rob...@...>
You probably want to count the edges:
Robert Dale
On Tue, Aug 15, 2017 at 9:53 PM, Rohit Jain <rohit.j...@...> wrote:
I found my phantom person Vertex.So, I was doing this query to find the top 5 actors who had acted in the most movies. I don't think the query is correct for what I am trying to do since the result does not seem to be right. However, when I first ran this query:g.V().hasLabel("person").groupCount().by("personid"). order(local).by(values,decr). select(keys).limit(local, 5) I got an error saying that it could not find "personid" for this specific vertex id. I did the following for the vertex id:gremlin> g.V(5578792).valueMap()==>[]This told me that I had a vertex that did not have a personid for some reason. That was my phantom vertex. I dropped it and then the above query ran. The result of the above query is ==>[1,2,3,4,5], which I know is not right. From my SQL query using our product EsgynDB running on Apache Trafodion, I get:PERSON_ID NAME NUM--------- ----------------------------------- -------------------- 6830 Robert De Niro 535828 Morgan Freeman 431053 Bruce Willis 385363 Matt Damon 374057 Johnny Depp 36Rohit--
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