ArangoDB is a NoSQL database with graphs support. Its key features are schemaless documents, key/value store, transactions and joins, also ArangoDB allows for multi-master clustering and horizontal scalability.
Questions tagged [arangojs]
113 questions
1
vote
1 answer
How to execute generic query in ArangoJs?
I need to execute the following query:
const query = `FOR u IN ${collection} FILTER ${filter} RETURN u`
so that filter variable is generated somehow by me (it is corrects, checked with Arango console)
But
db.query(query)
always returns empty…
Bogdan Timofeev
- 1,062
- 3
- 11
- 33
1
vote
1 answer
How to unwind data held in edges with a "common neighbors" style query?
I have a simple model with a single A Document collection
[{ _key: 'doc1', id: 'a/doc1', name: 'Doc 1' }, { _key: 'doc2', id: 'a/doc2', name: 'Doc 2' }]
and a single B Edge collection, joining documents A with an held weight integer on each…
Cyril CHAPON
- 3,556
- 4
- 22
- 40
1
vote
0 answers
How to perform a bidirectional upsert in ArangoDB
I'm working with a dataset similar to ArangoDB official "friendship" example, except I'm adding a "weight" concept on the Edge Collection. Like so :
People
[
{ "_id": "people/100", "_key": "100", "name": "John" },
{ "_id": "people/101", "_key":…
Cyril CHAPON
- 3,556
- 4
- 22
- 40
1
vote
0 answers
How to connect to ArangoDB using NodeJS with docker-compose?
I want to connect my nodejs application to arangodb. I am using arangojs for this.
My connection code looks like
new Database({
url: `${DB_URL}:${DB_PORT}`,
auth: {
username: DB_USERNAME,
password: DB_PASSWORD
}
})
Error: connect…
pgalle
- 216
- 3
- 13
1
vote
1 answer
How to merge data from another collection to an array of keys or ids?
Here is the problem I am facing:
I am using arangob 3.7 and arangojs driver.
I have following collections:
collection A { _key, data }
collection B { _key, aDataList[A._key] }
I have tried the following
FOR bdoc IN B
FILTER…
syam sasidharan
- 31
- 2
1
vote
2 answers
ArangoDB: Join with nested object collection keys
Need some help with ArangoDB join query. I have documents like the following, where User contains Group collection keys in nested object(groups). When I query users, I need to join the group collection and alter response. Should be done WITH QUERY…
Naren
- 4,152
- 3
- 17
- 28
1
vote
1 answer
ArangoDB AQL: can I traverse a graph from multiple start vertices, but ensure uniqueVertices across all traversals?
I have a graph dataset with large number of relatively small disjoint graphs. I need to find all vertices reachable from a set of vertices matching certain search criteria. I use the following query:
FOR startnode IN nodes
FILTER startnode._key…
johnc1
- 11
- 1
- 1
1
vote
1 answer
AQL: Bind parameter on operator
Is there a way to have bind parameter on operator ("<", "<=" etc ...) ? I'm working on a Foxx service.
Example :
const operator = '<'
const res = query`
FOR v IN myCollection
FILTER v.value ${operator} ${maxValue}
`
I can do it with db._query…
Erwan
- 327
- 4
- 12
1
vote
1 answer
LIKE operator not supported in arango search view
Arango Search does not seem to support LIKE operator.
Other supported operators are working fine.
Tried this AQL:
FOR s IN searchView
SEARCH s.name LIKE "somesubstring"
RETURN s
But it gives an error saying:
Query: AQL: not implemented:…
Kruthika C S
- 729
- 1
- 7
- 18
1
vote
1 answer
Arango DB query limit can't be more than 1000?
Is there a way to change the default limit of results in arango db? I have a collection with > 1000 records, and it seems impossible to retrieve them all together.
I'm using the arangojs driver with node, and I've also tried to run the simple query…
Damian Dominella
- 610
- 1
- 7
- 16
1
vote
0 answers
ArangoError 2001: not able to connect and work with arangodb using docker?
I am new to Arangodb, and docker realm as well, and I am trying to play with some data in the database using arangosh. But whenever I try to create and issue a command on the DB I get this error:
I would really appreciate it if you can explain why…
Ken
- 65
- 1
- 7
1
vote
0 answers
How to get the conflicted field name of ArangoDB
I have a code like this
let item = { name: 'Roger' }
try {
return await collection.save(item)
}
catch (err) {
}
Now the collection I'm saving to has a Unique index on the field called name. Now during the exception handling the err object…
nehem
- 12,775
- 6
- 58
- 84
1
vote
1 answer
what is the return value of ArangoJS collection.save()?
The documentation is located here:
Document Manipulation · ArangoDB v3.4.1 Drivers Documentation
I see the documentation for collection.replace() and collection.update(), but nothing for collection.save(). I know the save function exits because I'm…
BugBuddy
- 576
- 2
- 5
- 19
1
vote
1 answer
arangoDb + nodejs: db.useBasicAuth(...) is not a function
So, I have code bellow:
const { Database, aql } = require("arangojs");
const db = new Database({·
url: 'http://127.0.0.1:8529'
} );
db.useBasicAuth('root', 'password1')
(async function() {
const now = Date.now();
try {
const cursor =…
kharandziuk
- 12,020
- 17
- 63
- 121
1
vote
1 answer
Push/Pull Value(s) to Array in ArangoJS
I'm transitioning to ArangoDB for its power as a graph database and am struggling with the simple stuff.
If I have a document...
{ _id:'1234', tags:['apple','orange'] }
how can I update it to push or pull a value from the array? I would expect the…
joshuah7
- 13
- 5