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https://stackoverflow.com/questions/25507866/how-can-i-use-a-cursor-foreach-in-mongodb-using-node-js
https://stackoverflow.com/questions/3974985/update-mongodb-field-using-value-of-another-field
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The aggregation query to MongoDB should allow it to be written in BSON format.
This is because MongoDB stores values as in BSON format and allowing to write the query in BSON would simplify queryin…
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## CVE-2021-32037 - Medium Severity Vulnerability
Vulnerable Library - mongor5.0.0-rc5
The MongoDB Database
Library home page: https://github.com/mongodb/mongo.git
Found in HEAD commit: 60ef70ebd8d…
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Hello everyone!
Currently MongoMock does not support using `let` in `$lookup`, and it gracefully lets the user know with the following message:
```
NotImplementedError: Although 'let' is a vali…
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Dear spring-data-mongodb maintenance team,
I am having trouble with the projection of fields in nested lists with spring-data-mongodb.
Given the following minimal example mongoDB:
```
db.nestedL…
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跨集合查询应该用aggregate框架，之前我一直不会用。。
参考https://www.mongodb.com/blog/post/quick-start-golang--mongodb--data-aggregation-pipeline
同时要加商合理的index，之前因为数据量少一直没怎么加
然后mongodb的返回值其实可以直接用bson.M（就是map[string…
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Following on from #52
- [ ] Describe the file structure
- [ ] Link to MongoDB query documentation
- [ ] Create a PR to contribute back to this repo
extua updated
2 months ago
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**Describe the bug**
When I provide a `projection_model` to `FindMany.aggregate()`, that has the `id` property with an `alias="_id"` it fails to project with the following error
```
_id
Fiel…
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## Feature Request
It would be really useful to use the load command within the playground.
## Detailed Description
It is something that is not supported since there is a message that indicat…
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### What should be done?
It should be supported in all pipeline stages that support raw expressions and other pipelines that allow the `$expr` operator.
* https://www.mongodb.com/docs/manual/refer…
b1ron updated
7 months ago