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Querying & Aggregations

Showing 51 of 3955

1 VOTE

Make redundant createView() a no-op

If I call createView() with params that match an existing view (in name and all other attributes), it returns an error. It'd be more convenient if the call simply succeeded without doing any work. The behavior I propose is analogous to the way tha...

Guest over 3 years ago in Querying & Aggregations 0 Submitted

1 VOTE

Allow Dynamic Object In $project and $addFields

Assume I have a field mapping defined in some configuration collection of my application. And this field mapping varies for different clients on my application. I would like to pass the dynamic object in my $project or $addFields stage Like: $p...

Guest over 3 years ago in Querying & Aggregations 0 Submitted

1 VOTE

Create operators that support Centrality Algorithms use cases

Degree Centrality Closeness Centrality Harmonic Centrality Betweenness Centrality Eigenvector Centrality PageRank ArticleRank

Guest over 3 years ago in Querying & Aggregations 0 Submitted

1 VOTE

Add a $sample accumulator operator

So that it's easier to sample a number of items from each group, instead of writing lengthy DSL like this: https://www.mongodb.com/community/forums/t/sample-x-number-of-documents-in-each-group-with-or-after-a-group-stage/170787 Ideally it can be...

Guest over 3 years ago in Querying & Aggregations 0 Submitted

1 VOTE

kNN Searches with MongoDB

Dear MongoDB team, The possibility for kNN searches within a collection would be a real game changer. Not only in machine learning, but also in other areas you need this query method to find similar structures. Practically, it could go in the sam...

Guest over 3 years ago in Querying & Aggregations 0 Submitted

1 VOTE

Add option to $dayOfWeek to choose between Monday and Sunday

Hi! I was wondering if you could add an optional parameter to $dayOfWeek that allows you to choose on which day you want the functionality to start counting. Thanks!

Guest almost 4 years ago in Querying & Aggregations 1 Submitted

1 VOTE

Add regex support in pipeline operator `replaceAll`

It would be very nice to have something like this possible: ``` { $replaceAll: { input: "$text", find: "/[;,.]/g", replacement: "." } } ``` Many thanks !

Guest almost 4 years ago in Querying & Aggregations 1 Submitted

1 VOTE

the profile output in association with the $comment query operator need to have consistency across operations.

I have observed the different profile result with regard to $comment query operator in association with find and update operation respectively as follows; - find operation shows a comment on the command.filter.$comment and the command.comment fie...

Guest about 4 years ago in Querying & Aggregations 0 Submitted

1 VOTE

multiple centersphere as a geometry for geowithin

im looking at one of my queries that a system regularly runs and some times we look for records that are within up to 250 different centerspheres, i wornder if we could enable, like geowithin has the ability to support multiple poligons, we could ...

Guest about 4 years ago in Querying & Aggregations 0 Submitted

1 VOTE

$populate stage

Please provide a $populate stage that allows to resolve single referenced documents. Internally it could use the combination of $lookup and $unwind: https://stackoverflow.com/questions/41482559/how-to-return-single-object-instead-of-array-in-look...

Guest about 4 years ago in Querying & Aggregations 0 Submitted