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https://docs.mongodb.com/master/reference/operator/aggregation/lookup/#pipe._S_lookup
Mongo aggregate is equivalent to a left outer join. Attempting to figure out how to implement it.
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Hello,
we use fongo together with nosqlunit-mongodb and spring-data and found a problem. Please see the attached junit test.
We group by firstName and address, the grouping works correct, only …
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Getting next error for aggregation operation:
`"MongoError: The 'cursor' option is required, except for aggregation explain\n at Function.MongoError.create (api/node_modules/mongodb-core/lib/error…
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Hello,
This issue affects all `passthrough` test suites. Here is the list (probably incomplete):
- read_concern_majority_passthrough
- aggregation_read_concern_majority_passthrough
- replica_set…
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wrong usage or bug?
is there any way to ignore this file as it is not used in project?
```
sh-4.2$ php -v
PHP 8.0.7 (cli) (built: Jun 16 2021 12:25:08) ( NTS )
Copyright (c) The PHP Group
Ze…
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Initially reported on StackOverflow: https://stackoverflow.com/questions/47460456/how-do-i-sum-multiple-fields-in-doctrine-odm/
MongoDB allows the following aggregation pipeline stage:
However, Mo…
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In Mongo and Druid drivers we in some places do questionable date arithmetics assuming that every day is precisely 60*60*24. We should do some combination of figuring out how wrong we get and where, d…
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I need to be able to query geo points using `$geoNear` (with a `2dsphere` index), and vector data using `$vectorSearch`. These don't seem to be supported yet in `mongo_dart`. Is there a way to perform…
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Structure of documents:
```
{
id: ObjectId("5ef1cd704b35c6d6698f2050")
date: 2021-12-15T11:03:00.000+00:00
priorityList: Array
0: "any-String-id-here"
1: ...
}
```
Using of `$a…
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### What should be done?
* https://www.mongodb.com/docs/v6.0/meta/aggregation-quick-reference/#aggregation-variables
* https://www.mongodb.com/docs/v6.0/reference/aggregation-variables/#mongodb-varia…
b1ron updated
7 months ago