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Flatten arrays in group stage

Have group operators to flatten document arrays into a single one with or without repeated elements. So -> doc1 = {arr: [1,2,3,4], gr: "group"}, doc2 = {arr: [5, 6, 7, 8], gr: "group"} {$group: {_id: "$gr", arrays: {$***: "$arr"} } } => {_id...

Guest almost 3 years ago in Querying & Aggregations 1 Submitted

4 VOTE

wired

wiredTiger open files usage Currently WT uses a file per collection and index, leading in some scenarios to extremely high number of open files/dhandles. Is there any plan to support one file/dhandle per database?

Guest over 5 years ago in Storage & Transactions 0 Submitted

1 VOTE

ODBC drivers for Red Hat systems

As we do not have any ODBC Driver versions available for RedHat OS, we require an ODBC driver compatible with RHEL 8 and above.

Guest over 1 year ago in Drivers (ie: Node.js, Java, .NET) 0 Submitted

4 VOTE

Allow multiple text indexes per collection

MongoDb only allow one text index by collection, in contrast of other index types. This is a limitation that makes it difficult to develop projects with search functionality, for example, if you want to add a text search for advanced users on all...

Guest over 5 years ago in Data Modeling & Indexing 1 Submitted

4 VOTE

Ability to enable collection name enforcement

Currently if you perform a find or other operation, and you have a typo in your collection name, the operation will execute successfully and there is no indication that the collection you are operating on doesn't exist. It would be handy if there ...

Guest over 5 years ago in Database 0 Submitted

1 VOTE

Workload Identity Federation Support

Workload Identity Federation is supported since Mongo 7.0 on Atlas. Ruby is still missing from the supported drivers though https://www.mongodb.com/docs/atlas/workload-oidc/#connect-an-application-to-mongodb-with-workload-identity-federation. Ad...

Guest over 1 year ago in Drivers (ie: Node.js, Java, .NET) 0 Submitted

2 VOTE

Cascading delete for DBRefs

Since transactions have been added in 2018, which work across collections (https://www.mongodb.com/docs/manual/core/transactions/) and across shards (https://www.mongodb.com/docs/manual/core/transactions-sharded-clusters/), shouldn't cascading del...

Guest almost 3 years ago in Storage & Transactions 0 Submitted

4 VOTE

Improve the election process to consider node reachability

Consider both new and existing sockets to be utilized in order to make more realistic observations about cluster health during an election to avoid for example DNS related issues which would make a node unreachable for new connections.

Guest almost 6 years ago in Database 0 Submitted

4 VOTE

Upgrade Advisor

Similar to Microsoft's SQL Server Upgrade Advisor application, generate a report (from Ops Manager for example) identifying issues to fix before or after an upgrade from one major version to another.

Guest almost 6 years ago in Database 0 Submitted

2 VOTE

Add SHA2, SHA3 and ECDSA functions to agg framework

It is very useful (and valuable security-wise) to be able to reverify hashes and signatures "on-engine" instead of dragging material out to a client app and running the algo there. The implementations are straightforward and everywhere now so it's...

Guest about 3 years ago in Querying & Aggregations 0 Submitted

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