How do I compare dates in MongoDB query?

  1. Your date is in string format. You need to save/update it in IOSDate format to get result from current query.
  2. It is in date format only.
  3. Try “$gte” : ISODate(“2015-06-17 10:03:46.000Z”)
  4. It worked.
  5. @L_7337 When you add a short explanation of the difference between Date and ISODate you could post this as an answer.

How do I get the difference between two dates in MongoDB?

To find the number of days between two given dates we need to:

  1. Subtract two dates.
  2. Convert the result in milliseconds to days by dividing by 1000x60x60x24 which is the number of milliseconds in a day.
  3. 1 day → 24 hours → 24×60 minutes → 24x60x60 seconds → 24x60x60x1000 milliseconds.

How does MongoDB store dates?

You can specify a particular date by passing an ISO-8601 date string with a year within the inclusive range 0 through 9999 to the new Date() constructor or the ISODate() function. These functions accept the following formats: new Date(“”) returns the ISODate with the specified date.

How does MongoDB compare data?

Once you’ve chosen your source and target connections, it’s time to select the specific collections we want to compare.

  1. Choose collections to compare.
  2. Run the analysis.
  3. Spot the difference(s)
  4. Export comparison results.
  5. Sync MongoDB documents.
  6. Sync MongoDB fields.
  7. Sync MongoDB data via in-place editing.
  8. It’s been a pleasure.

How do I pass a date field in JSON?

When you use String to represent a Date, you have to format it into a specific format e.g. dd-MM-yyyy or yyyy-MM-dd and that’s why when you parse or serialize a JSON with a date field, you need to use a custom deserializer to correctly parse the data contained in JSON string properties.

How do I add a timestamp in MongoDB?

INSERT INTO myTable VALUES (‘someValue’,SYSTIMESTAMP); That would insert two values into myTable, and one of them would be a timestamp based-on the database server’s time.

How do I round in MongoDB?

For example, $round : [1234.5678, 2] rounds to two decimal places and returns 1234.57 . If resolves to a negative integer, $round rounds using the digit to the left of the decimal. For example, $round : [1234.5678, -2] uses the 2nd digit to the left of the decimal ( 3 ) and returns 1200 .

How do I create a date range in MongoDB?

Mongo Date query using CLI or Compass UI

  1. { DateAdded : { $gt:ISODate(‘Date here’), $lt:ISODate(‘Date here’)}}
  2. { DateAdded : { $gt:ISODate(‘2019-09-18T21:07:42.313+00:00’), $lt:ISODate(‘2019-09-20T21:08:42.313+00:00’) } }
  3. gte = greater than or equal to i.e > =
  4. gt = greater than i.e >
  5. lte = less than or equal to i.e < =

What format does MongoDB store dates?

Internally, MongoDB can store dates as either Strings or as 64-bit integers. If you intend to do any operations using the MongoDB query or aggregate functions, or if you want to index your data by date, you’ll likely want to store your dates as integers.

Is equal to in MongoDB?

MongoDB provides different types of comparison operators and an equality operator($eq) is one of them. The equality operator( $eq ) is used to match the documents where the value of the field is equal to the specified value. In other words, the $eq operator is used to specify the equality condition.

How do I compare two fields in MongoDB?

You can use $expr ( 3.6 mongo version operator ) to use aggregation functions in regular query. Compare query operators vs aggregation comparison operators . If your query consists only of the $where operator, you can pass in just the JavaScript expression: db.

What is the JSON date format?

The default format used by Json.NET is the ISO 8601 standard: “2012-03-19T07:22Z”. Prior to Json.NET 4.5 dates were written using the Microsoft format: “\/Date(1198908717056)\/”.

How does the new date function in MongoDB work?

new Date () returns the current date as a Date object. The mongo shell wraps the Date object with the ISODate helper. The ISODate is in UTC. You can specify a particular date by passing an ISO-8601 date string with a year within the inclusive range 0 through 9999 to the new Date () constructor or the ISODate () function.

Why is MongoDB not fetching any records?

But the results doesn’t fetches any record even though there are records for the dates upto 2015-06-24. ISODate works because that is the format your date is in. wraps the date in an ISODate helper, but is not able to convert in your query.

How does the isodate Helper Work in MongoDB?

ISODate works because that is the format your date is in. wraps the date in an ISODate helper, but is not able to convert in your query. Check out this link for more information: http://docs.mongodb.org/manual/core/shell-types/ Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question.

What kind of data is stored in MongoDB?

Internally, Date objects are stored as a signed 64-bit integer representing the number of milliseconds since the Unix epoch (Jan 1, 1970). Not all database operations and drivers support the full 64-bit range. You may safely work with dates with years within the inclusive range 0 through 9999.

By Questions and answers