The examples on this page demonstrate how to use the MongoDB Query API in a function to aggregate documents in your Atlas cluster. MongoDB aggregation pipelines run all documents in a collection through a series of data aggregation stages that allow you to filter and shape documents as well as...
Rather than run the aggregate command directly, most users should use the db.collection.aggregate() helper provided in mongosh or the equivalent helper in their driver. In 2.6 and later, the db.collection.aggregate() helper always returns a cursor. Except for the first two examples which demon...
Loopback mixin to query MongoDB aggregation pipeline and build the instances from results. Latest version: 1.1.3, last published: 5 years ago. Start using @aliatech/loopback-mongo-aggregate-mixin in your project by running `npm i @aliatech/loopback-mongo
<?php$m = new MongoClient("localhost");$c = $m->selectDB("examples")->selectCollection("article");$data = array ( 'title' => 'this is my title', 'author' => 'bob', 'posted' => new MongoDate, 'pageViews' => 5, 'tags' => array ( 'fun', 'good', 'fun' ), 'comments...
MongoDB 2.2 implements much better support for sharded map reduce output. Current Limitations There is a JavaScript lock so a mongod server can only execute one JavaScript function at a point in time .. however, most steps of the MapReduce are very short so locks can be yielded frequently....
Now we can run a similar test case like in the JPA example, but this time using MongoDB: @DisplayName("given order with two line items, when persist using mongo repository, then order is saved") @Test void test() throws Exception { // given Order order = prepareTestOrderWithTwoLineIte...
You can use the MongoDB aggregation pipeline commands to aggregate time series values or return a slice of a time series.
The SUM() function is an aggregate function in SQL that calculates the sum of values in a column. salary is presumably a column in the employees table that holds the salary information for each employee. The query calculates the sum of all values in the salary column for a...
Check the unit tests for more examples of how to use both reactive and non-reactive repositories with the reactive module. To include the reactive aggregate query support with Maven use <dependency> <groupId>com.github.krraghavan</groupId> <artifactId>mongodb-aggregate-query-support-reactive</ar...
pluginpaginationmongodbcustommongooselabelpromisecallbackaggregatepaginatornextpaginateprevpagingtotalmongoose-paginatemongoose-aggregate UpdatedFeb 18, 2025 JavaScript A lib to help you create a robust project based on domain driven-design (ddd) principles with typescript and zero dependencies. ...