50 questions
0
votes
1
answer
268
views
$all not working with array
I am trying to get all submissions documents that contain all of the tags listed in an array.
My current code looks like this:
submissions.find({ tags: { $all => tags } })
print tags.count
...
- 2,371
0
votes
1
answer
714
views
Finding the size of a Mongo::Collection::View
I am trying to find the size of the result of a query in MongoDB and ruby:
size = collection.find({ foo: 'bar' }).size
if size > 0
print "There are #{size} results!"
else
print "There aren't ...
4
votes
0
answers
181
views
Sporadic NoServerAvailable errors from mongoid
On production we get a steady stream of seemingly random Mongo::Error::NoServerAvailable errors. Maybe 3 a day.
The replica set in question has not experienced any elections, and there is nothing ...
- 8,372
0
votes
1
answer
399
views
MongoDB returns wrong results for count query
> filters = {search_created_at: {$lte: ISODate("2016-04-28T23:25:31.818Z")}}
{ "search_created_at" : { "$lte" : ISODate("2016-04-28T23:25:31.818Z") } }
> db.collection_name.find(filters).count()
...
- 145
1
vote
1
answer
647
views
Ruby Mongo Driver Projection Elemmatch
Following the code in http://www.w3resource.com/mongodb/mongodb-elemmatch-projection-operators.php I have set up a test database using the ruby mongodb driver.
For those following along at home, you ...
- 11
0
votes
1
answer
337
views
How To Update 1 row of data in MongoDB (Ruby)
If I have the below code for inserting data in using mongodb, how can I update it's value. I'm confuse with the setting of arguments in update_one/update_many function.
require 'mongo'
require 'json/...
- 3,723
2
votes
1
answer
419
views
Using DBRef in mongo ruby driver: (undefined method `bson_type' for #<Mongo::DBRef:0x0056466ed55e48>)
When I try to use DBRef in the mongo ruby driver (creating a new DBRef object and including in a document which I am inserting into a collection), I get this error that I cannot make heads nor tails ...
0
votes
0
answers
877
views
load balancing between multiple mongos instances in mongodb cluster
I have several mongos instances. I have ruby and node.js application. I can put the hosts of all the mongos instances to mongodb connection URI. The ruby and node.js drivers can handle the failover. ...
- 9,056
0
votes
1
answer
1k
views
Insert an array of Ruby objects in a Mongo database
So, I'm using the Ruby MongoDB driver and I want to insert and object like this:
db.insert_one({
'game_id' => @token,
'board' => {
'tiles' => @board.tiles
}
})
where @board is an ...
- 4,663
0
votes
1
answer
987
views
Connecting to Mongod via Ruby driver using SSL returns Mongo::ConnectionFailure
I want to use SSL with MongoDB. It's not enabled by default so one has to compile from source with the necessary options. I followed the official documentation and got the v2.6.4 binary built and ...
- 3,518
0
votes
1
answer
872
views
ruby mongodb driver push to array
Lets say I have a document Person, and I wish to add Tags to this document.
So I would like a document to look like
{ "_id" : 5,
"tags" : ["Music", "Baseball", "Skiing"]
}
Everytime a person ...
- 9,049
0
votes
1
answer
1k
views
Update nested hash MongoDB - Ruby
I'm trying to update a hash in a MongoDB doc with a simple value but it store the value in an array. I use the ruby driver for mongo
Code will explain better because my english is bad.
What I have : ...
- 74
0
votes
1
answer
265
views
Mongo Group function call in Ruby
I have a mongodb collection like this
{"assigneeId" => 1000, "status" => 3, "starttime" => "2014 Feb 25", "numofdays => 6}
{"assigneeId" => 1000, "status" => 2, "starttime" => "2014 Jan 10", "...
- 121
-1
votes
1
answer
1k
views
Mongodb query with multiple $nin
I took this example:
db.inventory.update( { tags: { $nin: [ "appliances", "school" ] } }, { $set: { sale: false } } )
form the mongodb.org website.
Whenever I try to use $nin multiple times, ...
- 2,146
1
vote
0
answers
76
views
Mongomapper throwing error message multiple times
I have a simple Model - Shop in my Ruby/MongoMapper application.
I have no idea why sometimes I only get one error message, and sometimes I get three error messages like this one:
'Validation failed:...
- 2,146