Description:
Compare the specified two dates.
Syntax:
deq(datetimeExp1,datetimeExp2)
Note:
The function compares two date parameters - dateExp1 and dateExp2 - to see if they are equal. By default, the result is accurate to day.
Parameter:
|
datetimeExp1/datetimeExp2 |
Date or standard datetime format string, such as yyyy-MM-dd HH:mm:ss, yyyy-MM-dd, or HH:mm:ss. |
Option:
|
@y |
Accurate to the year. |
|
@q |
Accurate to the quarter. |
|
@m |
Accurate to the month. |
|
@t |
Accurate to the ten-day period. |
|
@w |
Accurate to the week; take Sunday as the first day of the week. |
|
@1 |
Work with @w option and take Mondy as the first day of the week; it is number 1 that is used in the option. |
Return value:
Boolean
Example:
|
|
A |
|
|
1 |
=deq("1988-12-08","1988-12-07") |
false; judge whether two dates are equal. |
|
2 |
=deq@y(date("1988-11-08"),date("1988-09-12")) |
true; judge whether two dates belong to the same year. |
|
3 |
=deq@m(date("1988-11-08"),date("1988-09-12")) |
false; judge whether two dates belong to the same month. |
|
4 |
=deq@q(date("1988-12-08"),date("1988-10-12")) |
true; judge whether two dates belong to the same quarter. |
|
5 |
=deq@t(date("1988-10-08"),date("1988-10-12")) |
false; judge whether two dates belong to the same 10-day period of a month. |
|
6 |
=deq@w(date("2023-09-03"),date("2023-09-09")) |
true; take Sunday as the first day of a week and judge whether two dates belong to the same week. |
|
7 |
=deq@1w(date("2023-09-03"),date("2023-09-09")) |
false; take Monday as the first day of a week and judge whether two dates belong to the same week. |