Hi,
can you post your code ?
Regards,
Alessandro
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Hi,
for the second case only, try this query
select from (traverse outE(access),out(access) from #12:17) where
@class= 'access' and (in = #13:8 or out= #12:17)
Regards,
Alessandro
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Hi,
class Data must implement Serializable and provide for this class get
method.
Try this code
first.setProperty(name,anything);
first.setProperty(DATA, data.getList());
Regards,
Alessandro
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Hi,
try this code
Data data = new Data();
data.addData(a,b,c);
Gson gson = new Gson();
String json = gson.toJson(data);
Vertex first = graph.addVertex(null);
first.setProperty(name,anything);
first.setProperty(allprop,json.toString());
Regards,
Alessandro
Hi,
you can try to reinstall orientdb-2.1-rc3
Regards,
Alessandro
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Hi,
i have tried this code and it seems to work
OrientGraph graph = new OrientGraph(memory:test);
Data data = new Data();
data.setNome(New Data);
data.addData(a,b,c);
JSONObject json=new JSONObject();
json.put(data, data);
Vertex first =
Hi,
I have created a small example with the class Data and the class Test
Let me know if it works.
Alessandro
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Hi Lior,
try this query
select distinct(id) as id from (select expand( $c ) let $a = ( SELECT
outV() as id FROM Called WHERE start_time10 AND end_time11 ), $b = (
SELECT inV() as id FROM Called
WHERE start_time10 AND end_time11 ), $c = unionAll( $a, $b ))
Alessandro
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Hi,
for the first question you can use the DISTINCT clause,
for example : SELECT distinct(outV()) FROM Called WHERE start_timeX AND
end_timeY
Bye, Alessandro
Il giorno lunedì 1 giugno 2015 20:36:59 UTC+2, Lior Neudorfer ha scritto:
Hi,
two small questions from an OrientDB beginner...
I
Hi,
if your rating is an integer variable, the method avg() will return an
integer value. So either you change the type of the variable, or use this
query
select AVG(rating.asFloat()) from Ratings
Alessandro
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Hi Bryan,
can you post your schema ?
Regards,
Alessandro
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Hi,
can you post your schema, because i don't sure if i have understand it very
well.
Alessandro
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Hi Mohammad,
I tried your code using the graph java api and v2.0.10 of orientdb and it
works.
Try to write :
OrientVertex vertex = graph.addVertex(class:test);
graph.commit()
OrientGraph graph2 = graphFactory.getTx();
vertex.setProperty(test, value);
Regards,
Alessandro
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Hi Mohammad,
you can post all the code of the class test.
Regards,
Alessandro
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Hi,
when you use traverse out() you get only the outgoing vertexes,
I have wrote in the query outE() because I want to get also the outgoing
edges.
With the out= I want to get the edge that have as outgoing vertex, the
vertex with @rid=#12:17
Alessandro
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Hi,
can you post your schema ?
Regards,
Alessandro
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Hi Pasquale,
for the first question try this code
OrientGraph g=new OrientGraph(path);
OClass cl=g.createVertexType(MyVertex, V);
OClass cl2=g.createEdgeType(MyEdge, E);
cl2.createProperty(out,OType.LINK, cl);
Regards,
Alessandro
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Hi ,
for the second question i think that you must create two edges with
different orientation
OrientEdge eFriend=g.addEdge(class:friend, ListPerson.get(j),
ListPerson.get(j+1), null);
OrientEdge eFriend=g.addEdge(class:friend, ListPerson.get(j+1),
ListPerson.get(j), null);
Alessandro
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Hi Norman,
try this function with the parameter record
= {rid:123,val:{name:Norman,phone:Home}}
var obj = JSON.parse(record);
var rid= obj.rid;
var val = obj.val;
var name= val.name;
var phone= val.phone;
return name;
Regards,
Alessandro
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Hi Norman,
if you try with broswe you can get only the value Norman
Alessandro
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Hi Norman,
if you try with broswe you can get only the value Norman
https://lh3.googleusercontent.com/-XhisYFd7bEc/VYwSC3DiNbI/ABY/i0z7OJ4-GBM/s1600/Funzione.png
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Hi Norman,
I think that being the format JSON, when you return the object you will
have also the fields @type and @version.
Alessandro
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Hi Bill,
if you use orientdb-2.1-rc3, the following instructions work
update App add xOut = [#14:1] where @rid=#12:1
update #12:1 add xOut = [#14:1]
Alessandro
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Hi Bill,
which version of OrientDb are you using?
Alessandro
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Hi Bill,
I try the query from the browse in Visual Studio and it works.
Alessandro
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Hi,
you can't get rid with r.getProperty('rid') because rid isn't a property
but it is a metadata
you can try this code var rid=r.getId().toString();
return rid;
Regards,
Alessandro
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Hi,
for your example you can try this query
select count(*) from oemdetail where Build = $b[0].name let $b = (select
sanityBuild from currenttable where version = '11.6.0')
or this function
var g=orient.getGraph();
var b=g.command('sql','select sanityBuild from currenttable where version =
Hi Norman,
can you post all the code of your function, the parameters ( and the types)
and your schema
Alessandro
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Hi Luis,
try the method getDistance(String rid_from, String rid_to) in the attached
file LongestPath.java
Regards,
Alessandro
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Hi Olof,
if you want to put an embedded list into an embedded map try this code
OClass cl=g.createVertexType(ip, V);
cl.createProperty(str_a, OType.STRING);
cl.createProperty(emb_b, OType.EMBEDDEDMAP);
ListString lista=new ArrayListString();
lista.add(#12:1);
lista.add(#12:2);
ListString
Hi Norman,
try this function with the parameter record {from_rid: #12:0,to_rid:
12:1, edge_type:
friend,edge_properties:{property1:value_property,
property2:value2_property}}
var obj = JSON.parse(record);
var ridFrom= obj.from_rid;
var ridTo = obj.to_rid;
var edge_type= obj.edge_type;
var
Hi,
which version of OrientDB are you using?
Alessandro
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Hi Bryan,
I had received your file and I'm working on , when I'm done I'll let you
know
Alessandro
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Hi,
I have created this graph
https://lh3.googleusercontent.com/-gCbuVFUIyqU/VXmM9RmRecI/ABA/p_5CZSvWbpQ/s1600/graph.png
and when i run the query i get the following result
https://lh3.googleusercontent.com/-JLhZ6drpemk/VXmNZ3fGiQI/ABI/-G5fs7lZ6Kk/s1600/risposta.png
In the
Hi Hamid,
can you post all the code ?
Alessandro
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Hi,
this in the example with document database
ODatabaseDocumentTx db = new ODatabaseDocumentTx(path);
db.open(root,root);
ODocument c = new ODocument(Contract);
c.field(name, contract 1);
c.save();
ListOIdentifiable linklist = new ArrayListOIdentifiable();
linklist.add(c);
ODocument p = new
Hi,
the method getTags() is undefined for the type Object.
Can you post all code ?
Regards,
Alessandro
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Hi,
I think that the property and the index are dependent.
If you create a property foo not ci and you create an index ci
when you run the query select from Test where foo='test' you
get both records with 'test' and 'Test'
Regards,
Alessandro
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Hi,
I think that this behavoir is that expected.
Embeddedlist allows duplicate values, but the list isn't ordered and then
when you add a value in embeddedlist
this value will be the last.
Regards,
Alessandro
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Hi,
you can find an example of using unionall here
http://orientdb.com/docs/last/SQL.html
For example select expand($c) let $a = (select from categories), $b =
(select from contract),
$c = unionAll( $a, $b )
Regards,
Alessandro
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Hi Kapil,
have you got a screenshot of your schema ?
Bye, Alessandro
Il giorno venerdì 29 maggio 2015 09:12:37 UTC+2, Kapil Ranade ha scritto:
I have imported hierarchical data into OrientDB from RDMBS using OETL.
In RDBMS we used to store parentId in the same row. e.g. the table
Hi Kapil,
try this function
var g=orient.getGraph();
var b=g.command('sql','select from Nodex')
for(i=0;ib.length;i++){
var id=b[i].getProperty(id);
var rid=b[i].getId().toString() + ;
var sql2=create edge hasParent from + rid + to ( select from Nodex
where parent_id = ' + id + ');
Hi,
try this query
select expand(in('Accepts').in('Specializes')) from (select
expand(out('Specializes').out('Accepts')[name= 'aetna']) from Specialty)
Bye, Alessandro
Il giorno venerdì 8 maggio 2015 22:35:58 UTC+2, Topping Bowers ha scritto:
Hello! I'm trying to do a query that says select
Hi Jean,
try this code in the class ObjectStorer
OObjectIteratorClassOrder i = tx.browseClass(Order.class) ;
for (Order or : i){
or.getName();
ListOrderItem listOrderItem=or.getItems();
for(OrderItem it:listOrderItem){
it.getName();
it.getId();
it.getValue();
}
System.out.println (or);
}
Bye,
Hi Brett,
I created this graph.
https://lh3.googleusercontent.com/-eBuwdEviNlA/VWbG3rKU0JI/AAM/VnARgS89xx4/s1600/graph.png
and when I run the query I get these results.
https://lh3.googleusercontent.com/-v_308smPzS8/VWbIQR7iLmI/AAY/T7S2fiFV3kE/s1600/query.png
I hope it can
Hi Brett,
if I understand the problem, try this query
select name , in('Discuss').in('Started').out('Started')[roomId] from Item
Bye, Alessandro
Il giorno sabato 23 maggio 2015 04:17:19 UTC+2, Brett Coffin ha scritto:
I am building a chat room engine and I have a graph like so:
Hi Luis,
this is a simple example, I create two Vertex and one Edge
OrientGraph g=new OrientGraph(path);
// create class Person
OClass cl=g.createVertexType(Person, V);
cl.createProperty(name, OType.STRING);
cl.createProperty(surname, OType.STRING);
// create edge Friend
Hi Bryan,
I think that is a bug and I don't know how to solve the problem.
Alessandro
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Hi,
you can use the graph.shutdown() when you want to release the OrientGraph
instance.
Regards,
Alessandro
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Hi Giovanni,
I have tried the query SELECT EXPAND( out('hasDetail') ) FROM Module WHERE
code = 'Module'
and I have got only the vertex Module with the code Module
https://lh3.googleusercontent.com/-nTMG__qvPHc/VXlFvHS79fI/AAo/MY3f3LPQwsk/s1600/module.png
Regards,
Alessandro
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Hi,
I failed with sql and then i have tried with java api
OrientGraph g=new OrientGraph(currentPath);
String colorToAdd=blue;
IterableVertex result=g.command(new OSQLSynchQueryVertex(select from
Person where perName='Luca')).execute();
for(Vertex v:result){
OTrackedList
Hi,
first try to delete the verteces of the class and after delete the class.
Bye, Alessandro
Il giorno martedì 12 maggio 2015 00:29:38 UTC+2, retrography ha scritto:
Hi Everyone,
I have made a class by mistake that has special characters in its name. It
is called:
= _orphan_files
I
Hi,
try use the top clause limit.
Bye, Alessandro
Il giorno mercoledì 13 maggio 2015 01:14:37 UTC+2, z0mbie42 ha scritto:
Hi all,
I have a model like this :
(User)-[SentMessage]-(message)-[MessageTo]-(ChatRoom)
and i want to retrieve only the 10 last messages In a given ChatRoom
for now
Hi,
try this SQLquery select * from (select
expand(out('Specializes').out('Accepts') from Specialty)) where name='aetna'
Bye, Alessandro
Il giorno venerdì 8 maggio 2015 22:35:58 UTC+2, Topping Bowers ha scritto:
Hello! I'm trying to do a query that says select all vertexes where there
is a
Hi Brett,
try this SQLquery select name,in('Discuss').roomId from (select
expand(out('Started').out('Discuss')) from User where name = 'julie')
Bye, Alessandro
Il giorno sabato 23 maggio 2015 04:17:19 UTC+2, Brett Coffin ha scritto:
I am building a chat room engine and I have a graph like so:
Hi Athanassios,
I hope these two examples can help you.
EmbeddedSet: it will create a field animals that contain dog, cat,
parrot
insert into Person(name,animals)
values('alessandro',['dog','cat','parrot','dog'])
Hi,
Could you send me your database so that I can test it or tell me the type
of property1.
The previous function written in Java with JavaScript is the following:
var g=orient.getGraph();
for(j=0;j3;j++){
g.command('sql','DELETE VERTEX MyVertex LIMIT 100');
g.commit();
}
Regards,
Hi Athanassios,
I have the same problem.
I found this link
http://t12750.db-orientdb-user.databasetalk.us/error-when-trying-to-alter-property-type-t12750.html
and I think that the functionality of change property type is not yet
supported.
Regards,
Alessandro
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Hi,
I think that there aren't differences between EmbeddedSet of
Link and LinkSet.
Alessandro
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Hi Mark,
try this query
SELECT FROM Book WHERE [title, language, author, genre, description,
created] LUCENE ( (title:midwest*) AND (author:stradal*) AND
created:['2015-01-01 00:00:00'] TO ['2015-09-01 00:00:00}' )
Regards,
Alessandro
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Hi José,
can you send me the complete code of your function so I can understand why
this ecception is generated ?
Regards,
Alessandro
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Hi Mark,
try to create two index as in the image below
https://lh3.googleusercontent.com/-o9gnuMHmCJc/VdHs4disrhI/AFY/ahnTsavN7_Q/s1600/index.png
and try this query
SELECT FROM Book WHERE [title, language, author, genre, description] LUCENE
((title:midwest*) AND (author:stradal*)) and
Hi,
I had the same problem with
parent.query().direction(Direction.OUT).has(name, child
name).vertices().iterator();
You can use this command
IterableVertex it=g.command(new OSQLSynchQueryVertex(select from
(select expand(out()) from +parent.getId()+) where name='child
name')).execute();
Hi Sam,
in the file .json you can define the type of your fields as follows
{ csv: { separator: ,,
columns:[ date:datetime,
type:string,
phone:string,
old_token:string,
new_token:string]
}
},
Regards,
Alessandro
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Hi,
you can see the attachments and test the code
I put the condition of the upsert on the field ObjId
Regards,
Alessandro
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Hi Bryan,
I'm sorry if I have not responded more.
I have tried several times and the function getBestReply works correctly
from Studio but when the function is called from java api don't work.
Alessandro
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Hi Joao,
this is an example of code for Embedded List from java api
OrientGraph g=new OrientGraph(currentPath);
OClass cl=g.createVertexType(Person, V);
cl.createProperty(name, OType.STRING);
cl.createProperty(lista, OType.EMBEDDEDLIST);
ListAuto lista1=new ArrayListAuto();
lista1.add(new
Hi Marco,
I use orientdb-2.1-rc4 and I have defined this schema
https://lh3.googleusercontent.com/-_twlggp1CAk/VZD8OxOgGgI/ACY/3rCzBQJH6LE/s1600/schema.png
and I have try these queries
https://lh3.googleusercontent.com/-UidP8ePaEzE/VZD8YN-ckiI/ACg/gZMF1tfn8n0/s1600/query.png
Hi Alex,
can you send me your file .json ?
Alessandro
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Hi,
you can not read the entire list.
To read the last item uses your code
List list=(ListODocument) document.field(AdresList);
System.out.println(list.get(list.size()-1));
while to read the i-th element you can use
System.out.println(list.get(i));
Regards,
Alessandro
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Hi,
if you want to get the i-th element try this code:
int i=5;
String query=select AdresList[+i+] as item from Person;
IterableODocument result5=db.command(new
OSQLSynchQueryODocument(query)).execute();
for(ODocument v:result5){
System.out.println(v.field(item));
}
Regards,
Alessandro
--
Hi,
to read the last item you can use
IterableODocument result=db.command(new OSQLSynchQueryODocument(select
last(AdresList) as last from Person)).execute();
for(ODocument v:result){
System.out.println(v.field(last));
}
Alessandro
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Hi,
I did not manage to create a bi-directional lightweight with .json
configuration by using ETL.
If you want you can create the link from the class A to the class B using
ETL and after you can use this javascript function
to create the edges from B to A.
var g=orient.getGraph();
var
Hi,
you can use this query:
select from Person where $parents containsAll (@rid in $current.in_Child)
and $parents.size() = in('Child').size() and @rid#11:3
let $parents= (select expand(in('Child')) from #11:3)
Regards,
Alessandro
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Hi Michael,
I have the same problem
I created a function javascript or java code to solve the problem
JavaScript function : parameter = i and newValue
var g=orient.getGraph();
var b=g.command('sql','select from model');
var values=[;
for(j=0;jb.length;j++){
var data=b[j].getProperty('data');
Hi Simon,
you can use this query
select expand(last(out('book_has_author'))) from Book
Regards,
Alessandro
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Hi Daniel,
look at the chapter Drop Database at this link
http://orientdb.com/docs/last/Server-Management-Java.html
or https://code.google.com/p/orient/wiki/ServerManagementJava
You must specify the storage name in dropDatabase method.
public OServerAdmin dropDatabase(String storageType) throws
Hi,
can you post the schema of your classes ?
Regards,
Alessandro
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Hi Nicolas,
I think that is not possible with ETL.
Attached You can find the java code for what you need.
Regards,
Alessandro
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Hi,
This example should help :
select from Person where children contains ( married = true )
// select people who have at least one child with married = true
select from Person where children containsAll ( married = true )
// select people who have all the children with married = true
Regards,
Hi Chris,
can you send me your schema ?
Alessandro
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Hi,
I try your code and I think that the problem is (IterableVertex)
txGraph.command(cmd1).execute().
When you use this instruction for the first time it works, but if you use
it a second time it doesn't works.
Try using the command once and convert IterableVertex in ListVertex and
after you
Hi Josh,
for the second question you can use a server-side function like this
var g=orient.getGraph();
var query=select name, sum(weigth) from (select weigth,inV().name as name
from (select expand(outE('metadata_of'));
query+= from (select from Document where name in + names + ))) group
by
Hi Michael,
try this code:
Javascript:
var g=orient.getGraph();
var b=g.command('sql','select from model');
var values=[;
for(j=0;jb.length;j++){
var data=b[j].getProperty('data');
var size=data.size();
if(isize i=0){
data.set(i,newValue);
var
Hi,
could help you look at this link
https://groups.google.com/forum/#!searchin/orient-database/HOT$20ALIGNAMENT$20STILL$20NOT/orient-database/5NCen4Zxfjs/5R1sVIrd7FAJ
Regards,
Alessandro
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Hi Josh,
I did not understand your first question, can you explain what you want to
achieve ?
What you mean by centrality of the metadata ?
Your structure is like that in Figure 1 or such as that in Figure 2, or
neither ?
Hi,
I tried to cancel 3,000,000 of vertices with this java code and I had no
problems.
for(int j=0;j3;j++){
g.command(new OCommandSQL(DELETE VERTEX MyVertex LIMIT 100)).execute();
g.commit();
}
Let me know how it goes.
Regards,
Alessandro.
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Hi,
try to use DELETE VERTEX MyVertex LIMIT 100.
Alessandro
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Hi,
try to use DELETE VERTEX MyVertex LIMIT 100 instead of DELETE VERTEX
MyVertex BATCH 100.
Alessandro
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Hi,
if you want to delete all vertexes of a class use this command truncate
class MyClass unsafe
Regards,
Alessandro
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Hi,
try to use OrientDb server and connect via remote protocol.
Regards,
Alessandro
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Hi Gary,
if you want to get the path you can use this query:
select $path from (traverse in(link) from [ starting nodes ])
Regards,
Alessandro
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Hi Alex,
I have solved the problem so:
1) this is the column val in the .csv
https://lh3.googleusercontent.com/-gKQ-cMy95uY/VbYsdkLvPPI/ADA/YTKydvjZavc/s1600/csv.png
2) this is the column val in my db
Hi Ivan,
try this query
select stat, sum(val) as val from (
select mea.s as stat, mea.v as val from (
select mea from Measurement where @rid=#12:0 unwind mea
))
group by stat
https://lh3.googleusercontent.com/-9ngvzTT_NW0/VbX813ByX9I/ACw/b7FJkPARM3k/s1600/Measurement.png
Regards,
Hi,
at this link http://orientdb.com/orientdb-improved-sql-filtering/
I have founded Squared brackets [] allow to:
- filtering by one index, example out()[0]
- filtering by multiple indexes, example out()[0,2,4]
- filtering by ranges, example out()[0-9]
- filtering by equal conditions (only
Hi,
try this example
update #18:0 set name='newName'
Regards,
Alessandro
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Hi Simon,
of course you can add a new log to a certain hour
After create the log
insert into log(priority) values ('very high')
you can update the hour and add the log that you have created
update #12:0 add logs= [#11:4]
#12:0 is the rid of the hour
#11:4 is the rid of the log
Regards,
Hi Eric,
the query would be something like :
SELECT
expand(out('haveMonth')[month=3].out('haveDay')[day=20].out('haveHour')[hour=10].out('haveLogs'))
FROM Year WHERE year = 2012
Regards,
Alessandro
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Hi Athanassios,
you have a problem if you use ' because of text Wong Kar Wai's that
contains '.
Regards,
Alessandro
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Hi Anton,
try this function with the parameter message {id: 123, text: aaa,
user: [{id: 200, name: bbb},{ id: 201, name: ccc}]}
var obj = JSON.parse(message);
var user=obj.user;
var g=orient.getGraph();
for(i=0;iuser.length;i++){
var content='id' : '+ user[i].id+' , 'name' : '+
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