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$group all fields

$group should have the ability to allow specifying all fields in a document (without explicitly defining them all, which can lead to duplicating dozens of lines just to do "key: $first") This will help users that use $unwind and then want to $gro...

Guest over 2 years ago in Querying & Aggregations 1 Submitted

1 VOTE

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

Combine reshardCollection+mongosynd idea to support a remote collection on a separate new cluster

Great for prod productivity and 99.999 SLA if mongo could support this, for example, Given "mydb.mycoll" in current cluster being sharded with {zip:1} shard key 1/ New cluster: sh.shardCollection( "mydb.mycoll", {name:1, phone:1} ) 2/ "Mongocopy...

Guest about 3 years ago in Replication & Sharding 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 over 3 years ago in Querying & Aggregations 0 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

Support $documents on shards

The new aggregation operator $documents cannot be used together with $merge in a sharded cluster, you get an error: ``` db.aggregate([ { $documents: [ { _id: ObjectId("6616b08a610fab3e84d2d4ee"), a: 'foo', shardKey: 1 }, ] }, { $merge: { in...

Wernfried Domscheit over 3 years ago in Replication & Sharding 0 Submitted

1 VOTE

Raise an error when "majority" writes not possible

This topic is related to https://www.mongodb.com/docs/v6.0/tutorial/mitigate-psa-performance-issues/ in a PSA ReplicaSet configuration. When you try to execute a command with writeConcern `{w: "majority"}` in a three-member Primary-Secondary-Arbi...

Wernfried Domscheit over 3 years ago in Replication & Sharding 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

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