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Make it clear an index not on present on all shards

We recently had an issue where an index did not get created on all shards. When we ran getIndexes() on mongos it reported the index was present. So we dropped another redundant index thinking all would be well - it was not. We had serious performa...

Guest almost 4 years ago in Data Modeling & Indexing 0 Submitted

1 VOTE

TTL index activity statistics

Dear all, Presently, there is no visibility or tracking of TTL index activity: no data available to the user to see how much data and how often has been deleted. I suggest having a separate “dictionary” collection with statistics for all TTL inde...

Marina Sirota almost 2 years ago in Data Modeling & Indexing 0 Submitted

2 VOTE

Better handling of circular reference serialization in Java

Given 2 generic POJOs that include references to each other such as: package com.example; public class Course { Student _student; public void setStudent(Student student) { _student = student; } public Student getStudent() { return _stu...

Guest almost 4 years ago in Drivers (ie: Node.js, Java, .NET) 0 Submitted

2 VOTE

CSFLE - Enable aggregation stages for non-encrypted collections

When encrypting any collection with CSFLE, aggregation is not allowed on non-encrypted collections. The official recommendation is to maintain 2 clients: 1 for CSFLE and 1 for when aggregation is needed. How is this an acceptable solution?

Guest about 4 years ago in Database 0 Submitted

3 VOTE

F# Driver

We would like to use MongoDB with F#. There was a brief of prototype solution archived in github but was abandoned. The project I am talking about is https://github.com/mongodb-labs/mongo-fsharp-driver-prototype/pulse This is an official request ...

Guest about 6 years ago in Drivers (ie: Node.js, Java, .NET) 1 Submitted

3 VOTE

Create / Update LabVIEW Driver

There seem to not exist any official LabVIEW Drivers / VIs for MongoDB. There do exist some LabVIEW VIs for MongoDB that work very well based on a C# DLL: https://github.com/RBXSystems/mongo-labview-driver/tree/master/CSharp/bin. However those o...

Guest about 6 years ago in Drivers (ie: Node.js, Java, .NET) 0 Submitted

2 VOTE

Preserve field order in $merge

Filed on behalf of https://jira.mongodb.org/browse/SERVER-63853: A variety of formats require strict adherence to the sequence of fields, such as bioinformatics Files of such formats are often very large and contain nested structures, so it is c...

Guest about 4 years ago in Database 0 Submitted

1 VOTE

Sorting support on Array fields.

Presently, I'm attempting to arrange(sort) the documents within my collection based on a key nested within an array object. However, sorting isn't functioning as expected in this scenario. A proper explanation with example is here what I mean. ht...

Guest about 2 years ago in Querying & Aggregations 0 Submitted

1 VOTE

JSON

I'm converting a lot of data for export from MongoDB -> Postgresql I would like an aggregation function to convert an object to JSON { "$addField": { "_id": true, "json": { '$convert': { 'input': '$subdocument', 'to': 'json', # // Id...

Guest about 2 years ago in Querying & Aggregations 0 Submitted

1 VOTE

Self-Managed Computed Collections

This feature would enable MongoDB to automatically generate common patterns by computing entire collections. A particularly useful application would be the ability to identify duplicate fields within a collection and create a computed collection t...

Guest about 2 years ago in Database 0 Submitted

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