New fields or project existing fields with new values. Unlike db.unt (), db.untDocuments () does not use the metadata to return the count. Documents are individual records in a MongoDB collection and are the basic unit of data in MongoDB. The use of literals and aggregation variables, you can project You could use the Aggregation Framework in MongoDB 2.2+, or possibly Map/Reduce.See Aggregation Commands Comparison for a summary of the features and limitations. Hello klingofmonsterdev, and welcome to the MongoDB Community forums Are you trying to get a count of all documents in your collection If so, did you try Steeve’s suggestion of running db.collectionName.stats().count This should use metadata information on the collection without running any query against it. To get the exact size (in bytes) of the document, stick to the Object.bsonsize() function. This is why there is a difference between the outputs of the db.test.stats() and Object.bsonsize(.). Starting in MongoDB 4.4, with the use of aggregation There are a few ways to approach this depending on how much data you need to process. The effective amount of space the document will take in the collection will be more than the size of your document because of the Record Padding mechanism. Dissect your document schema to understand your data at a deeper level. See this Slack thread for more info.Specifies the value of the projected field. MongoDB Compass analyzes documents and displays rich structures within collections. Discover patterns and outliers within data.

The issue seems to be caused by compass-crud plugin keeping a reference to the old dataService.

query: : Query used to count of. mongodb compass count documents

Mongodb-compass:crud:crud-store warning: unable to count documents +0ms TypeError: Cannot read property 'db' of nullĪt descriptor.value._database (/Users/sergey.petushkov/tmp/MongoDB Compass Beta 1.26.1-beta.3.app/Contents/Resources/app.asar/node_modules/mongodb-data-service/lib/native-client.js:1242)Īt descriptor.value._collection (/Users/sergey.petushkov/tmp/MongoDB Compass Beta 1.26.1-beta.3.app/Contents/Resources/app.asar/node_modules/mongodb-data-service/lib/native-client.js:1209)Īt (/Users/sergey.petushkov/tmp/MongoDB Compass Beta 1.26.1-beta.3.app/Contents/Resources/app.asar/node_modules/mongodb-data-service/lib/native-client.js:254)Īt descriptor.value (/Users/sergey.petushkov/tmp/MongoDB Compass Beta 1.26.1-beta.3.app/Contents/Resources/app.asar/node_modules/mongodb-data-service/lib/native-client.js:1324)Īt unt (/Users/sergey.petushkov/tmp/MongoDB Compass Beta 1.26.1-beta.3.app/Contents/Resources/app.asar/node_modules/mongodb-data-service/lib/data-service.js:187)Īt /Users/sergey.petushkov/tmp/MongoDB Compass Beta Notes Introduction to MongoDB count count: : Count the collection or view documents. Hi, you don’t need to specify the count clause explicitly in Compass UI.

Mongodb compass count documents