mgo | UNMAINTAINED - SEE | Database library

by go-mgo Go Version: r2016.08.01 License: Non-SPDX

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kandi X-RAY | mgo Summary

mgo is a Go library typically used in Database, MongoDB, MariaDB applications. mgo has no bugs, it has no vulnerabilities and it has medium support. However mgo has a Non-SPDX License. You can download it from GitHub.

The MongoDB driver for Go. UNMAINTAINED - SEE BELOW

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Quality

Security

License

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Support

mgo has a medium active ecosystem.

It has 2730 star(s) with 771 fork(s). There are 78 watchers for this library.

It had no major release in the last 6 months.

mgo has no issues reported. There are 53 open pull requests and 0 closed requests.

It has a neutral sentiment in the developer community.

The latest version of mgo is r2016.08.01

Quality

mgo has no bugs reported.

Security

mgo has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.

License

mgo has a Non-SPDX License.

Non-SPDX licenses can be open source with a non SPDX compliant license, or non open source licenses, and you need to review them closely before use.

Reuse

mgo releases are not available. You will need to build from source code and install.

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mgo Key Features

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mgo Examples and Code Snippets

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Community Discussions

Trending Discussions on mgo

Apply optim function on iteratively each row of dataframe

panic: error parsing uri: scheme must be "mongodb" or "mongodb+srv" Golang - MongoDB connection error

Split R Dataframe into many new dataframes by columns

Custom BSON marshal and unmarshal using mongo-driver

Scrapping a table from asp.net page

How can i match a list of strings against another

Pandas, how to create an hierchical index from a set of rows

Get names of all keys in the collection using Go

$or inside $and in $filter condition not working

Couldnt connect to mongo atlas from the mongo shell, mongo compass and go mgo Driver

QUESTION

Apply optim function on iteratively each row of dataframe

Asked 2021-Apr-14 at 14:51

I have a working optim function that works for a single row.

The optim function estimates mineral proportions from chemical data by minimizing the residuals.

I would like to apply the same function for each row in the dataframe (in reality there may be a large amount of rows).

I've tried using rowwise from dplyr but it is not correct.

Data:

Dataframe below of ideal mineral compositions:

...

ANSWER

Answered 2021-Apr-14 at 14:51

You can use the function purrr::map and iterate over the lines of Min_comp.

results will be a list with the result for each line.

Source https://stackoverflow.com/questions/67086609

QUESTION

panic: error parsing uri: scheme must be "mongodb" or "mongodb+srv" Golang - MongoDB connection error

Asked 2021-Mar-28 at 01:04

This is the error I am getting when I docker-compose up my app in docker-desktop.

...

ANSWER

Answered 2021-Mar-28 at 01:04

In your GetConfig() function, you declare a variable of type Configuration, and you return it, but you never actually assign anything to any of its fields. That's why your fmt.Println() call to dump out the configuration just shows { { }}; none of the fields have assigned values.

You need to unmarshal the Viper configuration into the config structure:

Source https://stackoverflow.com/questions/66837267

QUESTION

Split R Dataframe into many new dataframes by columns

Asked 2021-Mar-22 at 15:34

I want to split my data frame in multiple dataframes based on columns. There are ~37 columns the first 2 columns are identifiers Lab and sample number, the remaining columns are elemental/analyte information. I want a new dataframe from for each element/analyte, The first 2 columns will be the same for each new dataframe and the element/analyte name to form the new dataframe name.

A snippet of the first 10 rows of the data frame is provided below. There is lots of missing data which I can deal with separately.

...

ANSWER

Answered 2021-Mar-22 at 09:34

Using lapply you can create list of dataframes.

Source https://stackoverflow.com/questions/66743188

QUESTION

Custom BSON marshal and unmarshal using mongo-driver

Asked 2020-Nov-07 at 03:56

I have a struct field like this below. I also store raw protobuf of the same struct in db. Now every time fetch or save data to mongo. I have to update ReallyBigRaw, from the proto when I want to save to DB and when fetch I have to unmarshal ReallyBigRaw to ReallyBigObj to give out responses. Is there a way I can implement some interface or provide some callback functions so that the mongo driver does this automatically before saving or fetching data from DB.

Also, I am using the offical golang mongo driver not mgo, I have read some answers where can be done in mgo golang library.

...

ANSWER

Answered 2020-Nov-07 at 03:56

I implemented the Marshaler and Unmarshaler interface. Since mongo driver calls MarshalBSON and UnmarshalBSON if the type implements Marshaler and Unmarshaler we also end up in infinite loop. To avoid that we create a Alias of the type. Alias in Golang inherit only the fields not the methods so we end up calling normal bson.Marshal and bson.Unmarshal

Source https://stackoverflow.com/questions/64713878

QUESTION

Scrapping a table from asp.net page

Asked 2020-Nov-03 at 16:37

the page source from a asp.net page is as shown below:

...

ANSWER

Answered 2020-Nov-03 at 16:37

You can simply use pandas:

Source https://stackoverflow.com/questions/64644322

QUESTION

How can i match a list of strings against another

Asked 2020-Oct-13 at 08:48

I have 2 lists of strings:

...

ANSWER

Answered 2020-Oct-05 at 14:24

Try this instead:

Source https://stackoverflow.com/questions/64210481

QUESTION

Pandas, how to create an hierchical index from a set of rows

Asked 2020-Oct-08 at 07:45

I have a dataframe that looks like:

...

ANSWER

Answered 2020-Oct-08 at 07:45

EDIT:

Just unstack and transpose also works:

Source https://stackoverflow.com/questions/64257730

QUESTION

Get names of all keys in the collection using Go

Asked 2020-Sep-24 at 06:41

I'd like to get the names of all the keys in a MongoDB collection.

For example, from this:

...

ANSWER

Answered 2020-Sep-24 at 06:41

Embedded documents will appear as another bson.M values inside your result, so you have to use a recursion to also traverse those.

Here's how you can do that:

Source https://stackoverflow.com/questions/64040295

QUESTION

$or inside $and in $filter condition not working

Asked 2020-Aug-28 at 11:54

I am using golang with mongodb,mgo collection

My mongodb collection is

...

ANSWER

Answered 2020-Aug-28 at 11:54

 var conditionParam []bson.M
        if city == "" {
            conditionParam = []bson.M{
                bson.M{"$eq": []string{"$$element.qualification", "PHD"}},
                bson.M{"$eq": []string{"$$element.emp_dept", "CSE"}},
                bson.M{"$eq": []string{"$$element.city", "xyz"}},
                bson.M{"$or": []interface{}{"$exists", []interface{}{"$$element.status", false}}},
                bson.M{"$or": []interface{}{"$$element.status", 1}}, 
            }
    }

Source https://stackoverflow.com/questions/63629190

QUESTION

Couldnt connect to mongo atlas from the mongo shell, mongo compass and go mgo Driver

Asked 2020-Aug-17 at 10:26

I'm trying to connect mongo shell with my mongo atlas M0 cluster and ending up getting this error

Error Message

Solution I tried which didnt work:

I upgraded the monog version to 4.2 to be insync with mongo version in atlas, didnt solve the problem getting this error mongo

"mongodb://cluster0-shard-00-02.79t7i.azure.mongodb.net:27017,cluster0-shard-00-00.79t7i.azure.mongodb.net:27017,cluster0-shard-00-01.79t7i.azure.mongodb.net:27017/testdatabase?tls=true" MongoDB shell version v4.2.8 connecting to: mongodb://cluster0-shard-00-02.79t7i.azure.mongodb.net:27017,cluster0-shard-00-00.79t7i.azure.mongodb.net:27017,cluster0-shard-00-01.79t7i.azure.mongodb.net:27017/testdatabase?compressors=disabled&gssapiServiceName=mongodb&tls=true

*** It looks like this is a MongoDB Atlas cluster. Please ensure that your IP whitelist allows connections from your network.

2020-08-16T00:14:57.693+0545 E QUERY [js] Error: couldn't connect to server cluster0-shard-00-01.79t7i.azure.mongodb.net:27017, connection attempt failed: HostUnreachable: Connection reset by peer : connect@src/mongo/shell/mongo.js:341:17 @(connect):2:6 2020-08-16T00:14:57.695+0545 F - [main] exception: connect failed 2020-08-16T00:14:57.695+0545 E - [main] exiting with code 1

On trying with mgo go driver i'm getting the error as:

time="2020-08-17T15:32:32+05:45" level=debug msg="mongo host and port : mongodb://cluster0-shard-00-00.akidp.azure.mongodb.net:27017,cluster0-shard-00-01.akidp.azure.mongodb.net:27017,cluster0-shard-00-02.akidp.azure.mongodb.net:27017" time="2020-08-17T15:33:32+05:45" level=error msg="Unable to connect to mongo no reachable servers" panic: runtime error: invalid memory address or nil pointer dereference [signal SIGSEGV: segmentation violation code=0x1 addr=0x0 pc=0x8f3a02]

goroutine 1 [running]: gopkg.in/mgo%2ev2.(*Session).Copy(0x0, 0x7fbebca1b008) /home/sgupta/go/pkg/mod/gopkg.in/mgo.v2@v2.0.0-20180705113604-9856a29383ce/session.go:1593 +0x22 github.optum.com/claredi/oti.git/ds.Copy(0xc001ae3a30, 0x0, 0x0) /home/sgupta/go/src/github.optum.com/claredi/oti.git/ds/ds.go:166 +0x3c github.optum.com/claredi/oti.git/ds/announcements.indexes() /home/sgupta/go/src/github.optum.com/claredi/oti.git/ds/announcements/announcements.go:47 +0xff github.optum.com/claredi/oti.git/ds.Init(0xc0000f8000, 0xc0001efe68) /home/sgupta/go/src/github.optum.com/claredi/oti.git/ds/ds.go:98 +0x52e main.startAPIServer(0x0, 0xc000098360) /home/sgupta/go/src/github.optum.com/claredi/oti.git/api/main.go:83 +0xe98 main.main() /home/sgupta/go/src/github.optum.com/claredi/oti.git/api/main.go:26 +0x4d exit status 2

Hoping to get a resolution from the experts. Thanks in Advance :)

...

ANSWER

Answered 2020-Aug-17 at 10:26

First, in Atlas:

Ensure the cluster itself looks healthy in "Clusters"
Go to "Network Access" and ensure your IP is allowed
Just to be safe, go to "Database Access" and create a new user with proper permissions

If your problem is similar to Cannot connect to mongodb atlas through mongo shell, it might be that your IP changed or something, and you need to allow your current IP.

Source https://stackoverflow.com/questions/63448833

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Install mgo

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