I agree.
Sending arbitrary Groovy is not what you want a database to execute. Do you
see any good index - neutral way to expose this? It's even very relevant to
Cypher...

/peter

Sent from my phone, please excuse typos and autocorrection.
On Nov 22, 2011 4:46 AM, "Tatham Oddie" <tat...@oddie.com.au> wrote:

>
>
> --
> Tatham Oddie
> Tiny keyboard = tiny message
>
> Begin forwarded message:
>
> From: Tatham Oddie <tatham.od...@readify.onmicrosoft.com<mailto:
> tatham.od...@readify.onmicrosoft.com>>
> Date: 22 November 2011 14:43:00 AEDT
> To: "tat...@oddie.com.au<mailto:tat...@oddie.com.au>" <tat...@oddie.com.au
> <mailto:tat...@oddie.com.au>>
> Subject: FW: Lucene Custom Sort in Neo4j
>
>
>
> From: Tatham Oddie [mailto:tatham.od...@readify.onmicrosoft.com]
> Sent: Tuesday, 22 November 2011 2:42 PM
> To: Romiko Derbynew; user@lists.neo4j.org<mailto:user@lists.neo4j.org>
> Cc: mystory-develop...@barnardos.org.au<mailto:
> mystory-develop...@barnardos.org.au>; Tatham Oddie
> Subject: RE: Lucene Custom Sort in Neo4j
>
>
> http://docs.neo4j.org/chunked/snapshot/gremlin-plugin.html#rest-api-send-an-arbitrary-groovy-script---lucene-sorting
>
> Send something like this via /ext/GremlinPlugin/graphdb/execute_script:
>
> import org.neo4j.graphdb.index.*
> import org.neo4j.index.lucene.*
> import org.apache.lucene.search.*
> neo4j = g.getRawGraph()
> idxManager = neo4j.index()
> clientIndex = idxManager.forNodes('agency123-clients')
> query = new QueryContext( 'FamilyName:Smith' ).sort( new Sort(new
> SortField( 'GivenName',SortField.STRING, true ) ) )
> results = clientIndex.query( query )
>
> Pros:
>
>
> ·         It’ll work
>
> Cons:
>
>
> ·         You’d might as well stop calling it the “REST” API
>
> ·         It’s fragile to changes in either the “REST” API or the Java API
> – twice the chance of getting bitten
>
> ·         It requires us to string concatenate snippets of Java code
> together within our C#
>
> If you go down this route, please bury it very very deep in Neo4jClient
> and expose a nicer API signature on top. :)
>
>
> -- Tatham
>
>
> From: Romiko Derbynew [mailto:romiko.derby...@readify.onmicrosoft.com
> ]<mailto:[mailto:romiko.derby...@readify.onmicrosoft.com]>
> Sent: Tuesday, 22 November 2011 2:36 PM
> To: user@lists.neo4j.org<mailto:user@lists.neo4j.org>
> Cc: mystory-develop...@barnardos.org.au<mailto:
> mystory-develop...@barnardos.org.au>; Tatham Oddie
> Subject: Lucene Custom Sort in Neo4j
>
> Hi Guys,
>
> What is the easiest way for me to build a custom full text sort for lucene
> in Neo4j, the thing is, we use the REST API to query the index, and I would
> like to apply a custom sort
>
> e.g.
>
> I want to change sorting to:
> Sort by Relevance (Booster) then by IndexKey1 then by indexKey2.
>
> Currently, we have the default sort via the query parser api, but it is
> not powerful enough(
> http://lucene.apache.org/java/3_1_0/queryparsersyntax.html).
>
> Any ideas, how we could do this, and still leverage the REST API for index
> queries?
>
> Cheers
> _______________________________________________
> Neo4j mailing list
> User@lists.neo4j.org
> https://lists.neo4j.org/mailman/listinfo/user
>
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