Azure Cosmos DB

Have feedback for Azure Cosmos DB product? Submit your idea here or upvote other ideas. All feedback is monitored and reviewed by the Azure Cosmos DB team. 

This site is for feature suggestions only. For technical questions or issues, please submit them to StackOverflow,where we and the community can better help you.

Please use the following categories when submitting your idea.

SQL API: Query language features, syntax using SQL API, indexing, any other core features in Azure Cosmos DB.

Gremlin API: Graph features and capabilities using Gremlin API.

Cassandra API: Features and capabilities using Cassandra API.

MongoDB API: Features and capabilities using MongoDB API.

Table API: Features and capabilities using Table API.

Etcd API: Features related to using etcd as a configuration store for Kubernetes.

Built-in Apache Spark: Features related to built-in Apache Spark in Azure Cosmos DB.

Built-in Notebooks: Features related to built-in Notebooks in Azure Cosmos DB.

SDK: Features related to Azure Cosmos DB SDKs for SQL API.

Change Feed: Features related to Change Feed.

Management: All management features, backup/restore,monitoring, ARM, PowerShell and CLI.

Portal: All features for Azure Portal and Cosmos DB Explorer.

Emulator: Features related to the Azure Cosmos Emulator.

Other: Features not related to any other category.

Security:
Authentication, authorization,permissions and encryption features.

Monitoring:
Metrics, monitoring, alerts,and diagnostics features.

Server-side: Stored procedures, Triggers,and User-Defined Functions.

How can we improve Azure Cosmos DB?

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  1. Support OrderBy and OrderByDescending in Nested Arrays

    For example in a document structure such as:

    {
    "id": "some id",
    "things": [
    { "value": "5" },
    { "value": "2" },
    { "value: "7" }
    ]
    }

    It would be great to be able to do something like:

    queryable.Select(x => x.Things.OrderByDescending(y => y.Value)).AsEnumerable.FirstOrDefault();

    86 votes
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    3 comments  ·  SQL API  ·  Flag idea as inappropriate…  ·  Admin →
    under review  ·  AdminAzure Cosmos DB Team (Product Manager, Microsoft Azure) responded

    This is something we have on our backlog and eventually plan to implement this but it is not on our short-term plan. Will mark this as under review for now as we will continue to review the comments and votes on this issue as we revisit feedback.

    Thanks for your request.

  2. Compress stored data

    Please compress data in place for more efficient use of storage.

    For example, I recently exported the entire dataset from a collection and gathered the following stats:

    DocumentDB Data Storage: 627 MiB (including hidden fields and other overhead I assume, but not Indexes)
    Exported JSON: 461.72 MiB
    Compressed JSON: 47MiB

    So potentially a 10x saving in data storage size.

    53 votes
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    4 comments  ·  SQL API  ·  Flag idea as inappropriate…  ·  Admin →

  3. The ability to reference JavaScript libraries (e.g. underscore) within server-side scripting

    It'd be nice to be able to reference javascript libraries within server-side scripting. Something like an AMD or RequireJS loader.

    For example:
    var _ = require('lodash');

    51 votes
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    4 comments  ·  SQL API  ·  Flag idea as inappropriate…  ·  Admin →

  4. Unique indexes on existing collections

    Currently, CosmosDB requires unique indexes to be created before inserting data in an empty collection. MongoRestore creates indexes after importing data, which is incompatible with CosmosDB's flow, and forces the user to create unique indexes manually in order to import data. This is impractical for those who require daily imports on several collections. CosmosDB should be able to import data using MongoRestore's flow, by allowing unique indexes to be created after inserting data.

    7 votes
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    1 comment  ·  SQL API  ·  Flag idea as inappropriate…  ·  Admin →

  5. ORDER BY RAND()

    Implement ORDER BY RAND() to allow for a random data sampling. Currently you can only ORDER BY a specific document path

    6 votes
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    0 comments  ·  SQL API  ·  Flag idea as inappropriate…  ·  Admin →

  6. Get current RequestCharge inside stored procedures and post triggers

    It would be nice to be able to access the current 'RequestCharge' value (as it appears in the final response) from within a post trigger or even a stored procedure.
    It would allow for easier cost monitoring mechanisms on the developers' side.

    2 votes
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    0 comments  ·  SQL API  ·  Flag idea as inappropriate…  ·  Admin →
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