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Support readOnly in Json Schema Validation

Support the readOnly property for json schema validation to make certain fields immutable (or the entire document) after creation.

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

1 VOTE

Support default values in validation

Many MongoDB users feel that default values should be supported in validation. See, for example: https://www.mongodb.com/community/forums/t/setting-default-values-in-data-schema/8411 https://www.mongodb.com/community/forums/t/support-default-value...

Guest 12 months ago in Data Modeling & Indexing 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

Compound clustered index

Now it is possible to create a clustered index for only one field. Since documents can be arranged in ascending order of multiple fields, I see no reason to disallow a clustered index from being a compound. Expected syntax: ``` create_collection(...

Guest over 3 years ago in Data Modeling & Indexing 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

bloom filter index

https://www.percona.com/blog/2019/06/14/bloom-indexes-in-postgresql/ I think having an option to use bloom filter indexes could provide for better performance when compared to compound indexes and eliminate the need for having multiple indexes. I...

Guest over 3 years ago in Data Modeling & Indexing 0 Submitted

3 VOTE

Add numerically-ordered index feature which forces a field to maintain ordering

I would like MongoDB to add better support for ordered lists across documents in a collection. This feature would allow the user to designate a field such as "position", and the DB would ensure the values of that field across documents remain in a...

Guest over 3 years ago in Data Modeling & Indexing 0 Submitted

3 VOTE

Support compound TTL index

Right now you can only do a single field TTL index. I would like a put a TTL on a compound index.

Guest over 3 years ago in Data Modeling & Indexing 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

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