Michiel,
sorry I overlooked this series of questions
On Tuesday, 4 March 2014 21:45:30 UTC+1, Michael Hunger wrote:
>
> The nodes that are returned, do they actually have the :Term label?
>
yes they do .. tested with match (t:Term) return t.name, labels(t) and match
(t:Term {name:'document'})<-[:BT]-(p:Term) return p.name, labels(p)
> According to the profile it filters out the nodes on the name comparison.
> Not on the label actually.
>
> Perhaps you can share the CSV and the load-csv script that you ran?
>
USING PERIODIC COMMIT
LOAD CSV FROM "http://www.ophileon.com/neo4j/eurovoc_terms.csv"; AS csvLine
CREATE (t:Term { id: toInt(csvLine[0]), name: csvLine[1]})
and
USING PERIODIC COMMIT
LOAD CSV FROM "http://www.ophileon.com/neo4j/eurovoc_broader.csv"; AS
csvLine
MATCH (t:Term { id: toInt(csvLine[0])}),(bt:Term { id: toInt(csvLine[1])}),(
CREATE (t)-[:BT]->(bt)
at this moment, the db only contains the :Term nodes.
>
> Michael
>
>
> Am 04.03.2014 um 21:33 schrieb Tom Zeppenfeldt
> <[email protected]<javascript:>
> >:
>
> micheal, just a quick reply because i'm on the road:
>
> - it was a brand new clean install
> - nodes loaded with new LOAD FROM CSV procedure
> - no indexes added
>
> when i add profile=true. i get this response
>
>
> {
> "columns" : [ "p" ],
> "data" : [ ],
> "plan" : {
> "args" : {
> "returnItemNames" : [ "p" ],
> "_rows" : 0,
> "_db_hits" : 0,
> "symKeys" : [ "p", "t", " UNNAMED28" ]
> },
> "dbHits" : 0,
> "name" : "ColumnFilter",
> "children" : [ {
> "args" : {
> "_rows" : 0,
> "_db_hits" : 9240,
> "pred" : "Property(t,name(1)) == {term}"
> },
> "dbHits" : 9240,
> "name" : "Filter",
> "children" : [ {
> "args" : {
> "start" : {
> "identifiers" : [ "t" ],
> "producer" : "NodeByLabel",
> "label" : "Term"
> },
> "trail" : "(t)<-[ UNNAMED28:BT WHERE true AND true]-(p)",
> "_rows" : 9240,
> "_db_hits" : 9240
> },
> "dbHits" : 9240,
> "name" : "TraversalMatcher",
> "children" : [ ],
> "rows" : 9240
> } ],
> "rows" : 0
> } ],
> "rows" : 0
> }
> }
>
> On Tuesday, 4 March 2014 02:26:45 UTC-6, Michael Hunger wrote:
>>
>> Tom:
>>
>> did you by chance upgrade from 2.0M06 ? Then you have to do a manual
>> update procedure.
>> http://blog.neo4j.org/2013/11/neo4j-200-rc1-final-preparations.html
>>
>> Did you create any indexes?
>> Can you add a ?profile=true to the endpoint to show the profile
>>
>> Michael
>>
>> Am 04.03.2014 um 02:54 schrieb Tom Zeppenfeldt <[email protected]>:
>>
>> This query to http://mydomain.com:7474/db/data/cypher
>>
>> {
>> "query" : "match (t:Term {name:{term}})<-[:BT]-(p:Term) return p",
>> "params" : {
>> "term" : "document"
>> }
>> }
>>
>> returns the expected nodes
>>
>> however this query, just leaving out the specification of the label of p:
>>
>> {
>> "query" : "match (t:Term {name:{term}})<-[:BT]-(p) return p",
>> "params" : {
>> "term" : "document"
>> }
>> }
>>
>> returns nothing, which I didn't expect. Did I miss something?
>>
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