Mongo shell: it: Get all the results from cursor

‘find()’ method return a cursor object, which is used to iterate over the results. By default, you will get 20 results max.

 

Let’s see it with an example.

 

countryCapitals.json

[
    {
        "country": "Afghanistan",
        "city": "Kabul"
    },
    {
        "country": "Albania",
        "city": "Tirana"
    },
    {
        "country": "Algeria",
        "city": "Alger"
    },
    {
        "country": "American Samoa",
        "city": "Fagatogo"
    },
    {
        "country": "Andorra",
        "city": "Andorra la Vella"
    },
    {
        "country": "Angola",
        "city": "Luanda"
    },
    {
        "country": "Anguilla",
        "city": "The Valley"
    },
    {
        "country": "Antarctica",
        "city": null
    },
    {
        "country": "Antigua and Barbuda",
        "city": "Saint John's"
    },
    {
        "country": "Argentina",
        "city": "Buenos Aires"
    },
    {
        "country": "Armenia",
        "city": "Yerevan"
    },
    {
        "country": "Aruba",
        "city": "Oranjestad"
    },
    {
        "country": "Australia",
        "city": "Canberra"
    },
    {
        "country": "Austria",
        "city": "Wien"
    },
    {
        "country": "Azerbaijan",
        "city": "Baku"
    },
    {
        "country": "Bahamas",
        "city": "Nassau"
    },
    {
        "country": "Bahrain",
        "city": "al-Manama"
    },
    {
        "country": "Bangladesh",
        "city": "Dhaka"
    },
    {
        "country": "Barbados",
        "city": "Bridgetown"
    },
    {
        "country": "Belarus",
        "city": "Minsk"
    },
    {
        "country": "Belgium",
        "city": "Bruxelles [Brussel]"
    },
    {
        "country": "Belize",
        "city": "Belmopan"
    },
    {
        "country": "Benin",
        "city": "Porto-Novo"
    },
    {
        "country": "Bermuda",
        "city": "Hamilton"
    },
    {
        "country": "Bhutan",
        "city": "Thimphu"
    },
    {
        "country": "Bolivia",
        "city": "La Paz"
    },
    {
        "country": "Bosnia and Herzegovina",
        "city": "Sarajevo"
    },
    {
        "country": "Botswana",
        "city": "Gaborone"
    }
]

Let’s insert above document into countryCapitals collection.

> db.countryCapitals.insert(
... [
...     {
...         "country": "Afghanistan",
...         "city": "Kabul"
...     },
...     {
...         "country": "Albania",
...         "city": "Tirana"
...     },
...     {
...         "country": "Algeria",
...         "city": "Alger"
...     },
...     {
...         "country": "American Samoa",
...         "city": "Fagatogo"
...     },
...     {
...         "country": "Andorra",
...         "city": "Andorra la Vella"
...     },
...     {
...         "country": "Angola",
...         "city": "Luanda"
...     },
...     {
...         "country": "Anguilla",
...         "city": "The Valley"
...     },
...     {
...         "country": "Antarctica",
...         "city": null
...     },
...     {
...         "country": "Antigua and Barbuda",
...         "city": "Saint John's"
...     },
...     {
...         "country": "Argentina",
...         "city": "Buenos Aires"
...     },
...     {
...         "country": "Armenia",
...         "city": "Yerevan"
...     },
...     {
...         "country": "Aruba",
...         "city": "Oranjestad"
...     },
...     {
...         "country": "Australia",
...         "city": "Canberra"
...     },
...     {
...         "country": "Austria",
...         "city": "Wien"
...     },
...     {
...         "country": "Azerbaijan",
...         "city": "Baku"
...     },
...     {
...         "country": "Bahamas",
...         "city": "Nassau"
...     },
...     {
...         "country": "Bahrain",
...         "city": "al-Manama"
...     },
...     {
...         "country": "Bangladesh",
...         "city": "Dhaka"
...     },
...     {
...         "country": "Barbados",
...         "city": "Bridgetown"
...     },
...     {
...         "country": "Belarus",
...         "city": "Minsk"
...     },
...     {
...         "country": "Belgium",
...         "city": "Bruxelles [Brussel]"
...     },
...     {
...         "country": "Belize",
...         "city": "Belmopan"
...     },
...     {
...         "country": "Benin",
...         "city": "Porto-Novo"
...     },
...     {
...         "country": "Bermuda",
...         "city": "Hamilton"
...     },
...     {
...         "country": "Bhutan",
...         "city": "Thimphu"
...     },
...     {
...         "country": "Bolivia",
...         "city": "La Paz"
...     },
...     {
...         "country": "Bosnia and Herzegovina",
...         "city": "Sarajevo"
...     },
...     {
...         "country": "Botswana",
...         "city": "Gaborone"
...     }
... ])
BulkWriteResult({
    "writeErrors" : [ ],
    "writeConcernErrors" : [ ],
    "nInserted" : 28,
    "nUpserted" : 0,
    "nMatched" : 0,
    "nModified" : 0,
    "nRemoved" : 0,
    "upserted" : [ ]
})

db.collection.find() in the mongo shell automatically iterates the cursor to display up to the first 20 documents. Type 'it' to continue to get next batch results.

> db.countryCapitals.find()
{ "_id" : ObjectId("60bbadbe8251689f64fb3ed2"), "country" : "Afghanistan", "city" : "Kabul" }
{ "_id" : ObjectId("60bbadbe8251689f64fb3ed3"), "country" : "Albania", "city" : "Tirana" }
{ "_id" : ObjectId("60bbadbe8251689f64fb3ed4"), "country" : "Algeria", "city" : "Alger" }
{ "_id" : ObjectId("60bbadbe8251689f64fb3ed5"), "country" : "American Samoa", "city" : "Fagatogo" }
{ "_id" : ObjectId("60bbadbe8251689f64fb3ed6"), "country" : "Andorra", "city" : "Andorra la Vella" }
{ "_id" : ObjectId("60bbadbe8251689f64fb3ed7"), "country" : "Angola", "city" : "Luanda" }
{ "_id" : ObjectId("60bbadbe8251689f64fb3ed8"), "country" : "Anguilla", "city" : "The Valley" }
{ "_id" : ObjectId("60bbadbe8251689f64fb3ed9"), "country" : "Antarctica", "city" : null }
{ "_id" : ObjectId("60bbadbe8251689f64fb3eda"), "country" : "Antigua and Barbuda", "city" : "Saint John's" }
{ "_id" : ObjectId("60bbadbe8251689f64fb3edb"), "country" : "Argentina", "city" : "Buenos Aires" }
{ "_id" : ObjectId("60bbadbe8251689f64fb3edc"), "country" : "Armenia", "city" : "Yerevan" }
{ "_id" : ObjectId("60bbadbe8251689f64fb3edd"), "country" : "Aruba", "city" : "Oranjestad" }
{ "_id" : ObjectId("60bbadbe8251689f64fb3ede"), "country" : "Australia", "city" : "Canberra" }
{ "_id" : ObjectId("60bbadbe8251689f64fb3edf"), "country" : "Austria", "city" : "Wien" }
{ "_id" : ObjectId("60bbadbe8251689f64fb3ee0"), "country" : "Azerbaijan", "city" : "Baku" }
{ "_id" : ObjectId("60bbadbe8251689f64fb3ee1"), "country" : "Bahamas", "city" : "Nassau" }
{ "_id" : ObjectId("60bbadbe8251689f64fb3ee2"), "country" : "Bahrain", "city" : "al-Manama" }
{ "_id" : ObjectId("60bbadbe8251689f64fb3ee3"), "country" : "Bangladesh", "city" : "Dhaka" }
{ "_id" : ObjectId("60bbadbe8251689f64fb3ee4"), "country" : "Barbados", "city" : "Bridgetown" }
{ "_id" : ObjectId("60bbadbe8251689f64fb3ee5"), "country" : "Belarus", "city" : "Minsk" }
Type "it" for more

Type"it" to get next 20 documents.

> it
{ "_id" : ObjectId("60bbadbe8251689f64fb3ee6"), "country" : "Belgium", "city" : "Bruxelles [Brussel]" }
{ "_id" : ObjectId("60bbadbe8251689f64fb3ee7"), "country" : "Belize", "city" : "Belmopan" }
{ "_id" : ObjectId("60bbadbe8251689f64fb3ee8"), "country" : "Benin", "city" : "Porto-Novo" }
{ "_id" : ObjectId("60bbadbe8251689f64fb3ee9"), "country" : "Bermuda", "city" : "Hamilton" }
{ "_id" : ObjectId("60bbadbe8251689f64fb3eea"), "country" : "Bhutan", "city" : "Thimphu" }
{ "_id" : ObjectId("60bbadbe8251689f64fb3eeb"), "country" : "Bolivia", "city" : "La Paz" }
{ "_id" : ObjectId("60bbadbe8251689f64fb3eec"), "country" : "Bosnia and Herzegovina", "city" : "Sarajevo" }
{ "_id" : ObjectId("60bbadbe8251689f64fb3eed"), "country" : "Botswana", "city" : "Gaborone" }
>

 

 

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