DATEDIFF

Warning

SingleStore 9.0 gives you the opportunity to preview, evaluate, and provide feedback on new and upcoming features prior to their general availability. In the interim, SingleStore 8.9 is recommended for production workloads, which can later be upgraded to SingleStore 9.0.

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

SQL

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.

SQL

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.

SQL

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

+---------------------+
| days_til_graduation |
+---------------------+
|               30229 |
+---------------------+