Hi Peter
Imagine we are trying to inject a simple graph, such as the following:
(dad) {"name":"Nigel"}
(son1) {"name":"Joshua"}
(son2) {"name":"Stephen"}
(dad)-[:FATHER_OF]->(son1)
(dad)-[:FATHER_OF]->(son2)
Currently, this would be loaded into graphspace without any attachment to
existing structures; a join would have to be made *after* the load.
If we instead consider parameterising the load, e.g. loadIntoNeo4j(reader,
graphDB, someNode, otherNode, ...), we can reference the supplied nodes
from within the GEOFF data. I think that ($n) notation would be quite
useful here as it is already familiar from bash etc. This might therefore
turn the above subgraph into:
*
(dad) {"name":"Nigel"}
(son1) {"name":"Joshua"}
(son2) {"name":"Stephen"}
(dad)-[:FATHER_OF]->(son1)
(dad)-[:FATHER_OF]->(son2)
($1)-[:FAMILY]->(dad)
...such that ($1) refers to the first supplied parameter, ($2) would be the
second and so on. ($0) could possibly refer to the reference node of the
destination graph, by definition.
Hope this makes sense! What do you reckon?
*
*Nigel Small*
Phone: +44 7814 638 246
Blog: http://nigelsmall.name/
GTalk: [email protected]
MSN: [email protected]
Skype: technige
Twitter: @technige <https://twitter.com/#!/technige>
LinkedIn: http://uk.linkedin.com/in/nigelsmall
On 11 November 2011 22:10, Peter Neubauer
<[email protected]>wrote:
> Nigel,
> On Thu, Nov 10, 2011 at 11:01 PM, Nigel Small <[email protected]>
> wrote:
> > We could possibly create some form of syntax which would designate a
> "this"
> > node, e.g. (@). This could allow a file to reference it's external
> context,
> > in this case the node to which we are submitting the subgraph.
> What would this look like?
>
> /peter
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