mgo Questions
4
Solved
I'm trying to install mgo which is a mongo-driver written in golang.
The standard command:
go get launchpad.net/mgo
But it failed because of some cert issues.
So I manually download the sour...
Heads asked 27/5, 2012 at 9:2
1
Solved
While testing some of my codebase I found it useful to mock out objects from "gopkg.in/mgo.v2" with interfaces. I'm running into a problem where mgo.Query does not implement my interface Query.
im...
1
Solved
I am using mgo library for mongo operationg in golang and here is my code :
session.SetMode(mgo.Monotonic, true)
coll := session.DB("aaaw_web").C("cron_emails")
var result Result
fmt.Printf("%v", ...
2
Solved
2 Parts to the question.
1 is the mongodb query itself, the next is how to do it in mgo.
How do I query for 1 document of type category (the result should be of type category) where the slug: "ge...
1
Solved
I have a GoLang code:
c.Find(selectQuery).All(&results)
if err == mgo.ErrNotFound {
// error handling
}
selectQuery value is not important here.
I never get error ErrNotFound. Even if the q...
Shetler asked 1/6, 2017 at 8:51
1
var (
type User struct{
Id bson.ObjectId `bson:"_id"`
Name string
}
type Post struct{
Id bson.ObjectId `bson:"_id"`
Uid string
User User
ref mgo.DBRef
Title string
}
)
//try 10000 ti...
2
Solved
I have two MongoDB servers. From one I receive data using mongo go driver. The received data has one date field which is always null. Then in my code I may or may not change it to some other date o...
1
Solved
It is kind of stupid syntax error, tried tons of ways, just couldn't get it work, someone please help.
MongoDB in Go with mgo, I just tried to simplify use the $ne operator, code like below, but k...
1
I have a replica set from MongoDB atlas, to which I can connect with ANY other language, and regular mongo client, with the URL provided with the format :
mongodb://user:[email protected]:2701...
Atmospherics asked 15/12, 2016 at 21:35
2
Solved
I wish to use MongoDB in webapp written in Go.
Can I have one mgo.Session and use it concurrently in web app. e.g. in http.Handler
or should I call Session.Copy and Session.Close -> make pool of...
1
Solved
In mongoose(node.js) I can define a model schema with a default Date.now like so:
...
type: Date,
default: Date.now
...
How do I achieve the same without having to insert the time.Time every tim...
1
I am accessing MongoDB using Go as follows:
var configRes *clientConfigData
err := clientDB.
C(clientConfigCollection).
Find(bson.M{}).
One(&configRes)
if err != nil {
return nil, errors.W...
1
Solved
I would like to find a data by _id. I know that this data exists and that this _id exist (I've tested it with pymongo).
But the code below doesn't find it:
type id_cookie struct {
IdCookie int
}...
1
Solved
My data layer uses Mongo aggregation a decent amount, and on average, queries are taking 500-650ms to return. I am using mgo.
A sample query function is shown below which represents what most of m...
Denture asked 6/12, 2016 at 15:59
3
Solved
I'm currently using a mongodb with mgo lib for a web application, but I'm not sure if the way I'm using it, is good one ..
package db
import (
"gopkg.in/mgo.v2"
)
const (
MongoServerAddr = "19...
1
Solved
I've searched and found no Go solution to the problem, not with or without using mgo.v2, not on StackOverflow and not on any other site. This Q&A is in the spirit of knowledge sharing / documen...
Sonyasoo asked 16/11, 2016 at 14:38
2
Solved
I know this problem maybe duplicate to this one. But it hasn't get a satisfied answer till now. And I really want to draw some attention to get a solution as soon as possible. So I beg you not to c...
Storeroom asked 12/3, 2015 at 10:42
1
MongoDB servers are queried with multiple
consistency rules. In mgo, SetMode of the Session object changes the consistency mode for the session. Three types
of consistency modes are available: Ev...
Roulers asked 25/7, 2016 at 15:53
2
Solved
I tried to push some data in nested array using $push. Here is my json file
{
"_id" : ObjectId("57307906f051147d5317984e"),
"user" : [
{
"firstName" : "chetan",
"lastName" : "kumar",
"age" :...
1
Solved
I'm working in Golang and mgo and I would like to delete all the documents in a collection older than a specified date, using _id value.
So far I've tried to create a dummy objectId using a struc...
2
I want to upsert a list of record, so I have two choice, one just use one session, another copy a session for every record. So, as my opinion, first method may slower than the second, but will the ...
1
Solved
Im having issues with persisting a golang struct in mongodb using mgo.
type AN_Track_Log struct {
Id bson.ObjectId `bson:"_id,omitempty"`
user_session_id_str string `bson:"user_session_id_str"`...
1
Solved
I am trying to pass a multiple sort query to the "Sort" parameter of the mgo package (see https://godoc.org/labix.org/v2/mgo#Query.Sort).
If the parameters are dynamic (currently held in a slice),...
1
Solved
Earlier I posted this question asking about writing custom BSON marshalling/unmarshalling in Go using mgo. Now I've come to test it I think I've hit on a bigger problem. All my structs unmarshal to...
3
This is my struct definition:
type Article struct {
Id bson.ObjectId `json:"id" bson:"_id,omitempty"`
Title string `json:"title"`
Author string `json:"author"`
Date string `json:"date"`
Tags ...
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