feedback

Showing 311 of 3874

Support concise correlated queries for $graphLookUp

Similar to $lookUp, support concise correlated queries for $graphLookUp. It would allow adding a $project stage to reduce overhead.

Guest about 1 year ago in Querying & Aggregations 0 Submitted

3 VOTE

Support expressions in $densify range bounds

The $densify aggregation pipeline stage seems unable to evaluate range bounds expressions, requiring the range bounds to be constant. See the following example (the collection testcoll contains a single documents with only the _id field): ``` s...

Guest over 3 years ago in Querying & Aggregations 3 Submitted

1 VOTE

Capture pre-images for ONLY specified change events

Currently, pre-images are captured for all updates, replacements and deletes on a given collection. Ask: Enable capture of pre-images for ['DELETED', ...] documents only. Context: A customer uses a collection for ingestion, where 16-20M do...

Guest about 1 year ago in Database 2 Submitted

2 VOTE

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 over 2 years ago in Querying & Aggregations 1 Submitted

1 VOTE

upgrade src/third_party/gperftools ≥ 2.10

gperftools new version support new architecture

Guest about 1 year ago in Database 0 Submitted

4 VOTE

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 almost 5 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

Please enter your email address

FILTER BY CATEGORY