DATEDIFF

Subtracts to find the number of days between two dates.

Syntax

DATEDIFF(date1, date2)

Arguments

  • date1, date2: a valid date, datetime, or parsable date string. Only the date part is used.

Return Type

Integer. If date1 or date2 is not a valid date, returns NULL.

Examples

SELECT DATEDIFF('2017-03-27', '2017-03-26') AS days_til_graduation;
+---------------------+
| days_til_graduation |
+---------------------+
|                   1 |
+---------------------+

If date1 is in the past, the function returns a negative result.

SELECT DATEDIFF('2017-03-26', '2017-03-27') AS days_til_graduation;
+---------------------+
| days_til_graduation |
+---------------------+
|                  -1 |
+---------------------+

NOW() can be used as one of the parameters.

SELECT DATEDIFF('2099-12-31', NOW()) AS days_til_graduation;
+---------------------+
| days_til_graduation |
+---------------------+
|               30229 |
+---------------------+

Last modified: May 31, 2023

Was this article helpful?

Verification instructions

Note: You must install cosign to verify the authenticity of the SingleStore file.

Use the following steps to verify the authenticity of singlestoredb-server, singlestoredb-toolbox, singlestoredb-studio, and singlestore-client SingleStore files that have been downloaded.

You may perform the following steps on any computer that can run cosign, such as the main deployment host of the cluster.

  1. (Optional) Run the following command to view the associated signature files.

    curl undefined
  2. Download the signature file from the SingleStore release server.

    • Option 1: Click the Download Signature button next to the SingleStore file.

    • Option 2: Copy and paste the following URL into the address bar of your browser and save the signature file.

    • Option 3: Run the following command to download the signature file.

      curl -O undefined
  3. After the signature file has been downloaded, run the following command to verify the authenticity of the SingleStore file.

    echo -n undefined |
    cosign verify-blob --certificate-oidc-issuer https://oidc.eks.us-east-1.amazonaws.com/id/CCDCDBA1379A5596AB5B2E46DCA385BC \
    --certificate-identity https://kubernetes.io/namespaces/freya-production/serviceaccounts/job-worker \
    --bundle undefined \
    --new-bundle-format -
    Verified OK