Querying & Aggregations

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kNN Searches with MongoDB

Dear MongoDB team, The possibility for kNN searches within a collection would be a real game changer. Not only in machine learning, but also in other areas you need this query method to find similar structures. Practically, it could go in the sam...

Guest over 3 years ago in Querying & Aggregations 0 Submitted

1 VOTE

Add option to $dayOfWeek to choose between Monday and Sunday

Hi! I was wondering if you could add an optional parameter to $dayOfWeek that allows you to choose on which day you want the functionality to start counting. Thanks!

Guest over 3 years ago in Querying & Aggregations 1 Submitted

1 VOTE

Add regex support in pipeline operator `replaceAll`

It would be very nice to have something like this possible: ``` { $replaceAll: { input: "$text", find: "/[;,.]/g", replacement: "." } } ``` Many thanks !

Guest over 3 years ago in Querying & Aggregations 1 Submitted

1 VOTE

the profile output in association with the $comment query operator need to have consistency across operations.

I have observed the different profile result with regard to $comment query operator in association with find and update operation respectively as follows; - find operation shows a comment on the command.filter.$comment and the command.comment fie...

Guest almost 4 years ago in Querying & Aggregations 0 Submitted

1 VOTE

multiple centersphere as a geometry for geowithin

im looking at one of my queries that a system regularly runs and some times we look for records that are within up to 250 different centerspheres, i wornder if we could enable, like geowithin has the ability to support multiple poligons, we could ...

Guest almost 4 years ago in Querying & Aggregations 0 Submitted

1 VOTE

$populate stage

Please provide a $populate stage that allows to resolve single referenced documents. Internally it could use the combination of $lookup and $unwind: https://stackoverflow.com/questions/41482559/how-to-return-single-object-instead-of-array-in-look...

Guest almost 4 years ago in Querying & Aggregations 0 Submitted

1 VOTE

Provide straightforward syntax for 1-to-1 joins in aggregation

The syntax for joins that bring back multiple documents from foreign collections is very straightforward and yields exactly what one would expect, but simple joins that are bread and butter in SQL require very convoluted and expensive to run synta...

Guest about 4 years ago in Querying & Aggregations 4 Submitted

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