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Need an array query operator like elem match which matches all array nested object instead of at least one array element

as per documentation elem match query matches at least one match in array of nested object, same we need a array query operator which returns the whole document only if elem match like criteria matches all elements in array of nested objects. I h...

Guest over 3 years ago in Querying & Aggregations 0 Submitted

1 VOTE

BSON::Proxy Proxy content from/to another collection

I would like a mongodb data type, called BSON::Proxy # not indexable or searchable Which would hold the value of another collection & id. IE: BSON::Proxy({database: "this_one", collection: "blobs", _id: "123"}) This would allow my code to...

Guest over 3 years ago in Data Modeling & Indexing 0 Submitted

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 almost 4 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 almost 4 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 almost 4 years ago in Querying & Aggregations 0 Submitted

1 VOTE

Change how document size is calculated

Disclaimer: I'm aware that this is a pretty big feature request. Currently a document has a max size of 16 mb. I'm not suggesting changing that. However, I'm suggesting changing how that size is calculated. I'm designing a database in which docu...

Guest almost 4 years ago in Data Modeling & Indexing 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 about 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 about 4 years ago in Querying & Aggregations 1 Submitted

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