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define the random seed manually, for $rand and $sample

It will be great if an additional paramater to define the seed for $rand and $sample could be use.

Guest over 2 years ago in Querying & Aggregations 1 Submitted

Switch for returning encrypted blob when providing old DEK

When rotating keys, we would like the option to still be able to fetch old documents with fields encrypted with an old DEK, exactly like what happens when we're querying documents without a DEK at all. This could be done with a bool switch when se...

Guest over 2 years ago in FLE and Queryable Encryption 0 Submitted

3 VOTE

$merge

Report number of docs matched, merged, skipped, etc. from a $merge stage. Alternatively, return the merged doc results as a pipeline result to pass to additional stages.

Charlie Little almost 3 years ago in Querying & Aggregations 0 Submitted

2 VOTE

Make $merge support DELETE operation

Currently, the `$merge` only supports insert/update/upsert/merge behaviour. It would be great to support delete behaviour. A common use case would be in-place document deduplication/clean-up in a collection.

Guest about 2 years ago in Querying & Aggregations 0 Submitted

3 VOTE

Document scoped RBAC - Permission for collection document fields

Roles and accesses can be defined on the basis of collections that define roles for users. It would be nice if these access permissions could be made within the scope of the fields under the collection and the query results would be returned accor...

Guest over 3 years ago in Querying & Aggregations 1 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 almost 4 years ago in Querying & Aggregations 3 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 almost 3 years ago in Querying & Aggregations 1 Submitted

2 VOTE

Add SHA2, SHA3 and ECDSA functions to agg framework

It is very useful (and valuable security-wise) to be able to reverify hashes and signatures "on-engine" instead of dragging material out to a client app and running the algo there. The implementations are straightforward and everywhere now so it's...

Guest almost 3 years ago in Querying & Aggregations 0 Submitted

1 VOTE

Is there any limitation on size of query in pipeline (character in query, not data)

I have an aggregate query, when the character in pipeline over 21066 character, the result return wrong format that the pipeline expected. So I wonder is there any limitation on size of query in pipeline? My case is: Query: [ "$match":{"profileI...

Guest over 1 year ago in Querying & Aggregations 0 Submitted

2 VOTE

Provide a Debian 11.0 ARM 64 Crypt Shared library

There is no ARM 64 version of the Crypt Shared library available for Debian 11.0 here: https://www.mongodb.com/download-center/enterprise/releases

Guest about 3 years ago in FLE and Queryable Encryption 0 Submitted

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