Database

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Low latency Change Stream for Global Cluster in Atlas

our event-driven applications need to publish events to Kafka triggered by Change Stream feature. It works perfect in replicaset MongoDB cluster. However, after migrating to Global Cluster in Atlas, the Change Stream cannot keep low latency becau...

Guest over 4 years ago in Database 1 Submitted

3 VOTE

collection-level users should be able to list their collections

Currently users with collection-specific read or read/write permissions are not authorized to perform the following commands: db.listCollections() show collections db.getCollectionNames() This impacts the shell (and also third party tools that w...

Guest over 3 years ago in Database 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 over 2 years ago in Storage & Transactions 0 Submitted

1 VOTE

Support hex conversion and binary operators in aggregation framework

The aggregation framework lacks function for HEX <-> Number conversion and binary operations. Such functions are common in almost every programming language. Typically and most required operations would be: - convert Int/Long to Hex - conv...

Guest over 1 year ago in Database 0 Submitted

4 VOTE

Include schema validation events in changestream payload

let's say my document has JSON schema validation like: { $jsonSchema: { properties: { phone: { bsonType: 'string' } } } } and the validation action is set to "warning", if I do a command like: db.test.insert({"phone":1}), I would like t...

Guest about 5 years ago in Database 1 Submitted

4 VOTE

Data masking policy

Implement Data masking similar to Schema Validation in Mongo so that customer can define a server-side data masking policy to mask the results of a query and a new role which will give explicit permission to users for reading unmasked data

Guest about 5 years ago in Database 0 Submitted

4 VOTE

Extend db.collection.distinct() to work with multiple fields in a compound key

Currently the distinct() command finds the unique set of values for a SINGLE specified field across a collection or view. For example: db.staff.distinct("last_name" ) If there is an index on the last_name field, the DISTINCT_SCAN plan can use th...

Guest about 5 years ago in Database 1 Submitted

1 VOTE

$sort should allow 0 as argument meaning "no sort"

The $sort operator and aggregation stage should allow 0 (possibly also null) as an argument for the field sort order, meaning, "Don't sort." This allows a variable to be passed in that can conditionally skip the sort operation, in addition to the ...

Guest over 1 year ago in Querying & Aggregations 0 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 about 5 years ago in Storage & Transactions 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 about 5 years ago in Data Modeling & Indexing 1 Submitted

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