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neo4j Database without Node [0] #32

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IjonTichyRaumpilot opened this Issue · 23 comments

10 participants

@IjonTichyRaumpilot

Hi,
when I create a neo4j database with Tinkerpop blueprints 2.0, there is no node [0] and neoclipse doesn't show any data. Is there a way to allow the database not having a node [0] but also seeing the data?

Michael

@jexp
Owner

Tinkerpop 1.x had an option for Neo4jGraph to keep the root node (a boolean flag), can you check that?

@IjonTichyRaumpilot

Yes, there is a workaround as mentioned here
tinkerpop/blueprints#206
but when I clear the graph I have to make sure not to delete node [0] which is a little bit painful.
Or if you are not aware of the workaround the new Tinkerpop 2.0 removes node [0] and you just see nothing.
Currently there is also a little discussion about it here.
https://groups.google.com/group/gremlin-users/browse_thread/thread/1cfaab74d60c1b2e

@nrkkalyan
@peterneubauer
@jexp
Owner

Agreed

@nrkkalyan
@nawroth
Owner

Older versions of Neoclipse simply scanned for other nodes if there was no Node[0]. Was there a problem with this behavior as it's been removed?

@nrkkalyan
@pducrot

With no Node[0], if you search for a specific node, you may display part of the graph, but then you get as many alerts of missing Node[0] as displayed edges. Would it be possible to stop posting these alerts?

@jgutierrezt

It seems this issue was not completely addressed, as I have just recently downloaded neoclipse and have ran into the same problem - no node(0) and nothing gets displayed.
Is there a way to around this besides recreating the DB from scratch?
thanks a lot.

@patb23

I am using neoclipse-1.9 and don't have node 0, hence nothing shows up. I did try 'search for node' by selecting one of the Node type and by providing key-value, still did not get any. Cypher Editor is working fine

@jotomo

Should be fixed by #46 and #47. No release including those changes has been made yet though.

@pducrot
@patb23
@ChristianWulf

Thanks, works. However, the nodes' property keys are not displayed anymore. Moreover, setting the nodes' name to a particular property key's value does not work either.

@jexp
Owner

@ChristianWulf Can you share a screenshot showing the two issues? Thanks !

@jotomo

@ChristianWulf Check the view settings (small downward pointing arrow in the upper-right of the "Database graph" view). Ensure "Filter node properties" is checked to apply your graph decoration settings and also check "Node Id" to have the ids displayed. Note that the view settings aren't persisted across sessions.

@jotomo

@ChristianWulf Okay, so that rules out that common issue, thanks for checking. I can't produce the problem on my installation though...

@jotomo

@ChristianWulf Checking "Node property values" seems to do the trick :-)

@ChristianWulf

It seems that "Node property keys" is only considered if "Node property values" is checked. But it's ok for my purposes. I'm only interested in the value of the key "name".

@jotomo Right ;)

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