Querying & Aggregations

Please add support for auto-incrementing numeric IDs. For example, if an ID starts at 1000001, the next created record should automatically use 1000002

What problem are you trying to solve? Focus on the what and why of the need you have, not the how you'd like it solved. MongoDB lacks native support for auto-incrementing numeric IDs, forcing applications to use custom counter logic, which in...

Altaab Ansari 10 months ago in Performance & Optimization / Querying & Aggregations 6 Future Consideration

1 VOTE

Session Timeout causes queries to hang- should give meaningful popup to relogin

What problem are you trying to solve? Focus on the what and why of the need you have, not the how you'd like it solved. When using mongocloud for an extended amount of itme, or coming back to an open window, running even basic queries tends t...

Peter Cassin 24 days ago in Querying & Aggregations 0 Submitted

3 VOTE

Allow specifying the output field of an $unwind

What problem are you trying to solve? Focus on the what and why of the need you have, not the how you'd like it solved. The $unwind stage overwrites the specified array path with a non-array value. This maps poorly with statically-typed progr...

Ivan Canet 2 months ago in Querying & Aggregations 1 Future Consideration

1 VOTE

Add an opt-in change stream mode to emit shard key–changing updates as delete + insert

What problem are you trying to solve? Focus on the what and why of the need you have, not the how you'd like it solved. CDC pipelines that read change streams on sharded collections often key target rows by documentKey (shard key + _id), beca...

ayla c about 2 months ago in Querying & Aggregations 0 Future Consideration

6 VOTE

Improve small collection lookup performance

What problem are you trying to solve? Focus on the what and why of the need you have, not the how you'd like it solved. Improved performance for lookups from large to small collections (where many origin documents match the same looked-up doc...

Ryan Peggs about 1 year ago in Querying & Aggregations 0 Future Consideration

35 VOTE

Allow configuration of 100mb memory limit per aggregation pipeline stage

In this old thread from 2016 (https://groups.google.com/forum/#!topic/mongodb-user/LCeFZZRz5EY) it was asked whether there was a way to increase the 100mb in memory limit of each stage of an aggregation pipeline. The responses centered around two ...

Guest over 6 years ago in Querying & Aggregations 2 Submitted

21 VOTE

Add operator that would calculate distance between 2 geolocation points

It would be great to have operator that would calculate distance between 2 geolocation points, and not to do it manually with big aggregate queries. I suggest to add 2 new operators that would calculate distance in two different ways, as discuss...

Guest over 4 years ago in Querying & Aggregations 3 Submitted

1 VOTE

Granular Privilege for collMod Without Requiring atlasAdmin

What problem are you trying to solve? Focus on the what and why of the need you have, not the how you'd like it solved. We execute the collMod command to apply or update collection validators as part of our deployment automation. Currently, t...

Somesh Saini 3 months ago in Querying & Aggregations 0 Future Consideration

4 VOTE

Allow Pinning Query Plan Cache Key to a Fixed Plan for a Given Query Shape Hash

Allow Pinning Query Plan Cache Key to a Fixed Plan for a Given Query Shape Hash n MongoDB 8.0, the new setQuerySettings command allows administrators to enforce index hints and other behavior based on the query shape hash. This gives users partia...

Vinicius Grippa over 1 year ago in Querying & Aggregations 0 Submitted

4 VOTE

Implement a $hash operator for queries

Current State: MongoDB currently lacks a native $hash operator in the aggregation/query language. While certain helpers like convertShardKeyToHashed or $toHashedIndexKey exist, they are limited in scope: Not available as true query operators (e....

Guest over 1 year ago in Querying & Aggregations 0 Submitted

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