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Find result within array of objects and match email address field in MongoDB?
Let us first create a collection with documents −
>db.demo144.insertOne({"EmployeeDetails":[{"EmployeeName":"Chris","EmployeeEmail":"Chris12@gmail.com"},{"EmployeeName":"Bob","EmployeeEmail":"bo22@gmail.com"}]});
{
"acknowledged" : true,
"insertedId" : ObjectId("5e32f1d8fdf09dd6d08539b9")
}
>db.demo144.insertOne({"EmployeeDetails":[{"EmployeeName":"David","EmployeeEmail":"david@gmail.com"},{"EmployeeName":"Carol","EmployeeEmail":"Carol@gmail.com"}]});
{
"acknowledged" : true,
"insertedId" : ObjectId("5e32f1f5fdf09dd6d08539ba")
}Display all documents from a collection with the help of find() method −
> db.demo144.find();
This will produce the following output −
{
"_id" : ObjectId("5e32f1d8fdf09dd6d08539b9"), "EmployeeDetails" : [
{ "EmployeeName" : "Chris", "EmployeeEmail" : "Chris12@gmail.com" },
{ "EmployeeName" : "Bob", "EmployeeEmail" : "bo22@gmail.com" }
]
}
{
"_id" : ObjectId("5e32f1f5fdf09dd6d08539ba"), "EmployeeDetails" : [
{ "EmployeeName" : "David", "EmployeeEmail" : "david@gmail.com" },
{ "EmployeeName" : "Carol", "EmployeeEmail" : "Carol@gmail.com" }
]
}Following is the query to find result within array of objects and match email address field −
>db.demo144.find({"EmployeeDetails.EmployeeName":"David","EmployeeDetails.EmployeeEmail":"david@gmail.com"},{"EmployeeDetails.EmployeeName":1});This will produce the following output −
{ "_id" : ObjectId("5e32f1f5fdf09dd6d08539ba"), "EmployeeDetails" : [ { "EmployeeName" : "David" }, { "EmployeeName" : "Carol" } ] }
Updated on: 31-Mar-2020
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