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How to find all objects created before specified Date in MongoDB?
You can use $lt operator for this. Let us create a collection with documents −
> db.beforeSpecifyDateDemo.insertOne({"UserLoginDate":new ISODate('2016-03-21')});
{
"acknowledged" : true,
"insertedId" : ObjectId("5cbd91e4de8cc557214c0e0d")
}
> db.beforeSpecifyDateDemo.insertOne({"UserLoginDate":new ISODate('2016-05-11')});
{
"acknowledged" : true,
"insertedId" : ObjectId("5cbd91ecde8cc557214c0e0e")
}
> db.beforeSpecifyDateDemo.insertOne({"UserLoginDate":new ISODate('2017-01-31')});
{
"acknowledged" : true,
"insertedId" : ObjectId("5cbd91f9de8cc557214c0e0f")
}
> db.beforeSpecifyDateDemo.insertOne({"UserLoginDate":new ISODate('2018-05-15')});
{
"acknowledged" : true,
"insertedId" : ObjectId("5cbd9206de8cc557214c0e10")
}
> db.beforeSpecifyDateDemo.insertOne({"UserLoginDate":new ISODate('2019-04-01')});
{
"acknowledged" : true,
"insertedId" : ObjectId("5cbd9211de8cc557214c0e11")
}Display all documents from a collection with the help of find() method. The query is as follows −
> db.beforeSpecifyDateDemo.find().pretty();
This will produce the following output −
{
"_id" : ObjectId("5cbd91e4de8cc557214c0e0d"),
"UserLoginDate" : ISODate("2016-03-21T00:00:00Z")
}
{
"_id" : ObjectId("5cbd91ecde8cc557214c0e0e"),
"UserLoginDate" : ISODate("2016-05-11T00:00:00Z")
}
{
"_id" : ObjectId("5cbd91f9de8cc557214c0e0f"),
"UserLoginDate" : ISODate("2017-01-31T00:00:00Z")
}
{
"_id" : ObjectId("5cbd9206de8cc557214c0e10"),
"UserLoginDate" : ISODate("2018-05-15T00:00:00Z")
}
{
"_id" : ObjectId("5cbd9211de8cc557214c0e11"),
"UserLoginDate" : ISODate("2019-04-01T00:00:00Z")
}Following is the query to find all objects created before specified date −
> db.beforeSpecifyDateDemo.find({UserLoginDate: { "$lt": ISODate("2017-01-31") }});This will produce the following output −
{ "_id" : ObjectId("5cbd91e4de8cc557214c0e0d"), "UserLoginDate" : ISODate("2016-03-21T00:00:00Z") }
{ "_id" : ObjectId("5cbd91ecde8cc557214c0e0e"), "UserLoginDate" : ISODate("2016-05-11T00:00:00Z") }
Updated on: 30-Jul-2019
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