JavaScript driver for RethinkDB
JavaScript driver for RethinkDB.
Questions tagged [rethinkdb-javascript]
197 questions
0
votes
1 answer
RethinkDB: Check if object in array exist and replace it
I have this JSON document:
{
userId: xx,
followedAuthors: [
{ authorId: abc, timestamp: 123 },
{ authorId: xyz, timestamp: 456 },
]
}
When a user want to follow an author I would like to write a query that check if that author is…
Tres
- 571
- 1
- 5
- 19
0
votes
1 answer
How to update item conditionally with branch in RethinkDB
I am trying to do simple upsert to the array field based on branch condition. However branch does not accept a reql expression as argument and I get error Expected type SELECTION but found DATUM.
This is probably some obvious thing I've missed,…
xb1itz
- 1,022
- 10
- 17
0
votes
1 answer
RethinkDB replace document but not specific property
I would like to apply in one query a document replacement but i would like to keep a specific property (createdAt) from the old document.
The old document :
{id: "xxx" title: "my title", description: "my desc", createdAt: "1507844981006"}
The new…
Cédric
- 401
- 3
- 9
0
votes
1 answer
rethinkdb response is both true and false
I'm trying to check if a value exists in my rethinkdb table.
It seams like its giving 2 responses.
I do it this way:
router.param('gamename', function(req, res, next, gamename) {
// do validation on gamename here
console.log(gamename);
…
Bolli
- 4,974
- 6
- 31
- 47
0
votes
1 answer
RethinkDB - how to get a single document by query?
How can I get one document only by query in RethinkDB?
for an example, I want to get the document by this query below:
let searchQuery = {
name: 'rob'
}
var cursor = await r.table('users').filter(searchQuery).run(connection)
var user =…
Run
- 54,938
- 169
- 450
- 748
0
votes
1 answer
how do I filter rethinkdb table column (object array) based on 2 values
I am trying to filter a rethinkdb table (conversations) which contains nested object array called participants. The structure is below.
I am trying to execute a query that selects conversations based on the IDs of the participants.
in plain…
Neo
- 717
- 2
- 11
- 26
0
votes
1 answer
Is there a way to listen to a special event when RethinkDB reconnects?
I'm using a NodeJS application with a RethinkDB database.
When i start the server the application establish a connection with Rethink and it starts to listen to the changes in a table using RethinkDB feeds.
The problem is when RethinkDB goes down.…
user6655656
0
votes
1 answer
Rethinkdb Use existing value if branch evaluates to false
Using branch update logic in rethinkdb. I am needing to update a value based on wether another value matches and then set the appropriate value. If the values are the same it should use the existing…
ckross01
- 1,681
- 2
- 17
- 26
0
votes
1 answer
How to find a particular object in a array
How to find a particular object in a array.
Below is my code
r.table("tablename").filter(
function(doc){
return r.expr(["value1","value2"]);
});
Govind Jha
- 123
- 2
- 9
0
votes
3 answers
Join in RethinkDB
How to Join with multiple conditions and use aggregate function in Rethink-db
r.table("yourtable").get(id).innerJoin(
r.table("secondtable"),function (up, upp) {
return user_profile("mID")
}).map({
uId: r.row("left")("userId"),
…
Govind Jha
- 123
- 2
- 9
0
votes
1 answer
RethinkDB generic repository in typescript, return promise result from method
I'm trying to write a RethinkDB generic repository in typescript.
I saw that RethinkDB javascript returns promises, I'd like to, for example in GetAll method, return the array items. For the moment I wrote something like this:
public GetAll(): T[]…
chenny
- 769
- 2
- 17
- 44
0
votes
1 answer
updating an array of nested documents rethinkdb
I have a document schema like this:
{
"name":"",
"type":"",
"posts":[
{
"url":"",
"content":"",
...
},
{
"url":"",
"content":"",
...
}
...
]
}...
I forgot to create id's for each post on insertion in database. So i'm trying to create a query for…
scroobius
- 662
- 2
- 7
- 25
0
votes
1 answer
How Should Complex ReQL Queries be Composed?
Are there any best practices or ReQL features that that help with composing complex ReQL queries?
In order to illustrate this, imagine a fruits table. Each document has the following structure.
{
"id": 123,
"name": "name",
"colour":…
Chris Talman
- 1,059
- 2
- 14
- 24
0
votes
1 answer
Order changed after distinct() : RethinkDb Javascript
I am working with the Reql, the problem i am facing is that i need to filter the same plucked values in correct order.
After pluck and distinct() apply, value are correct but not in correct order, their order lost.
Sample…
Suhail Mumtaz Awan
- 3,295
- 8
- 43
- 77
0
votes
1 answer
Rethinkdb: Query to get items from the last 24 hours from a big table
I have a table in RethinkDB consisting of 3 millions tweets. Each field has an epoch time, when it was inserted. What javascript query could I make to get quickly the tweets from the last 24 hours (roughly about 50k) sorted by keyword? I tried…
crisscross
- 1,675
- 2
- 18
- 28