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Improve the mongo query language

Sometimes I find Mongo query language as not put very well together, sometimes it feels like a patch job. It would be nice, if you could make you query language easier to reason about. It would be awesome, if you could introduce fluent style api b...

Guest about 3 years ago in Querying & Aggregations 0 Submitted

1 VOTE

Add functionality to specify the readConcern level at db.collection.findOne()

Add functionality to specify the readConcern at db.collection.findOne(). At the version 5.0.14 it's not supported.

Guest about 3 years ago in Querying & Aggregations 0 Submitted

1 VOTE

throttle sessions which use too much resources

We have different types of applications : 1. Writer - to load data into mongodb from different data sources 2. Reader - to read data and display to end user. Normally, there is strict SLA for reader , but no SLA (or less restricted) for writers. ...

Guest about 3 years ago in Performance & Optimization 0 Submitted

1 VOTE

Improve sorting performance

Sorting always ends up doing a collection scan when the selected index for the find/match does meet the sort requirement. The sort effectively makes the performance worse by 15-25 times for the "matched" dataset which runs into 10s of thousands (n...

Guest about 3 years ago in Performance & Optimization 0 Submitted

1 VOTE

$currentDate option to only update if the document was modified

A common pattern in a data model is to have a field that denotes when the data was last modified. For this example, let this field be called "updated". I want to toggle a field on a document called "enabled", and if the value is modified I also wa...

Guest about 3 years ago in Querying & Aggregations 0 Submitted

1 VOTE

Build MongoDB with PGO

I would like to see support for PGO (and even LLVM Bolt) in the upstream. Would be awesome if MongoDB will distribute PGO-optimized binaries, so the users will be able to see an additional performance boost "for free". At least describe to the use...

Guest over 3 years ago in Performance & Optimization 1 Submitted

1 VOTE

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

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

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