Database

Query Planner needs a timeOut set as a Database parameter.

Query Planner needs a timeOut set as a Database parameter. We see App queries timing out on Query planner taking >1 sec. Whilst this can be avoided by setting maxTimeMS at client end - this is more of a setting for the overall query and not ju...

Guest almost 4 years ago in Database 0 Submitted

1 VOTE

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 almost 2 years ago in Querying & Aggregations 0 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 almost 2 years ago in Database 2 Submitted

2 VOTE

We need to be able to use $[<identifier>] and "$setOnInsert" in the same command

I want to be able to have a maintain array of counters for a user through a single update statement. If the document containing array of counters does not exist, I want to add it. If it does exist, I want to increment the counter For example, thi...

Guest almost 4 years ago in Database 0 Submitted

1 VOTE

upgrade src/third_party/gperftools ≥ 2.10

gperftools new version support new architecture

Guest almost 2 years ago in Database 0 Submitted

2 VOTE

hint support for $graphLookup

Currently you can supply a `hint` to the `aggregation` call in order to tell MongoDB to use a specific index for the initial `$match`. But there is currently no way to specify which index to use for a `$graphLookup` later in the pipeline. I would...

Guest almost 4 years ago in Querying & Aggregations 0 Submitted

3 VOTE

Validation for referential integrity

Currently, with the JSON Schema validation, we are able to limit the values for a field using enumerations. However, we need to have a way to limit the values to those entered in another collection.

Guest about 6 years ago in Database 0 Submitted

3 VOTE

geoIntersects feature for 2D index

At Airbus, we would like to use geoIntersects feature with 2D Index. We don't need 2DSphere Index, but we have to use it if we want to have geoIntersects avalaible. As a consequence, we have to manage Spherical margins which introduces a useless a...

Guest about 6 years ago in Database 1 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...

Wernfried Domscheit about 2 years ago in Database 0 Submitted

3 VOTE

Automatic Indexes

MongoDB can already suggest useful indexes. Why not take the next step and allow MongoDB to autonomously create and manage indexes. Ideally it will automatically maintain the indexes over time as the structure and usage of the database changes.

Guest about 6 years ago in Data Modeling & Indexing 1 Future Consideration

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