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Achieve Pagination with MongoDB?
You can achieve pagination with the help of limit() and skip() in MongoDB.
To understand the concept, let us create a collection with the document. The query to create a collection with a document is as follows −
> db.paginationDemo.insertOne({"CustomerName":"Chris","CustomerAge":23}); { "acknowledged" : true, "insertedId" : ObjectId("5c949de44cf1f7a64fa4df52") } > db.paginationDemo.insertOne({"CustomerName":"Robert","CustomerAge":26}); { "acknowledged" : true, "insertedId" : ObjectId("5c949df14cf1f7a64fa4df53") } > db.paginationDemo.insertOne({"CustomerName":"David","CustomerAge":24}); { "acknowledged" : true, "insertedId" : ObjectId("5c949dfc4cf1f7a64fa4df54") } > db.paginationDemo.insertOne({"CustomerName":"Carol","CustomerAge":28}); { "acknowledged" : true, "insertedId" : ObjectId("5c949e3e4cf1f7a64fa4df55") } > db.paginationDemo.insertOne({"CustomerName":"Bob","CustomerAge":29}); { "acknowledged" : true, "insertedId" : ObjectId("5c949e474cf1f7a64fa4df56") }
Display all documents from a collection with the help of find() method. The query is as follows −
> db.paginationDemo.find().pretty();
The following is the output −
{ "_id" : ObjectId("5c949de44cf1f7a64fa4df52"), "CustomerName" : "Chris", "CustomerAge" : 23 } { "_id" : ObjectId("5c949df14cf1f7a64fa4df53"), "CustomerName" : "Robert", "CustomerAge" : 26 } { "_id" : ObjectId("5c949dfc4cf1f7a64fa4df54"), "CustomerName" : "David", "CustomerAge" : 24 } { "_id" : ObjectId("5c949e3e4cf1f7a64fa4df55"), "CustomerName" : "Carol", "CustomerAge" : 28 } { "_id" : ObjectId("5c949e474cf1f7a64fa4df56"), "CustomerName" : "Bob", "CustomerAge" : 29 }
Here is the query for pagination with MongoDB −
> db.paginationDemo.find().skip(0).limit(3);
The following is the output −
{ "_id" : ObjectId("5c949de44cf1f7a64fa4df52"), "CustomerName" : "Chris", "CustomerAge" : 23 } { "_id" : ObjectId("5c949df14cf1f7a64fa4df53"), "CustomerName" : "Robert", "CustomerAge" : 26 } { "_id" : ObjectId("5c949dfc4cf1f7a64fa4df54"), "CustomerName" : "David", "CustomerAge" : 24 }
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