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support parallel query executions include find(), aggregation()

To use multi-core environment and enhance the query performance w/ a large amount of documents, need a parallel execution. Sharding or microsharding is not an alternative in this case.

Guest over 2 years ago in Querying & Aggregations 0 Submitted

3 VOTE

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

6 VOTE

Add support for db.exists() and collections.exists()

Add a db.exists() and collections.exists() so that it is easy to check whether a database or a collection exists. This will help to reduce the propensity to inadvertently create new dbs and collections when running a script due to typos.

Guest about 5 years ago in MongoDB Shell 2 Future Consideration

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

5 VOTE

Option to show date in local timezone

Currently MongoDB is storing date and time in UTC - which is good and should be that way. However, from the presentation (either via Compass/Shell), there should be a way to show the date and time based on locale time zone settings or an option t...

Guest over 5 years ago in MongoDB Shell 2 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

2 VOTE

The new mongosh mangles the output of piped in commands

With the old mongo shell, you could set up a shell file (called something like mongo_cmd.sh)containing the path to the executable and all the command line switches you wanted like this: ``` /path/to/mongo --norc --quiet --port 26011 ``` and then...

Guest over 2 years ago in MongoDB Shell 1 Submitted

1 VOTE

For rpm installation files, add --changelog details

For rpm installation files, add "rpm -q --changelog" details.

Felicia Hsieh over 1 year ago in MongoDB Shell 0 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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