Function: dateSet()
Sets an element of a date, such as the day or month, and returns the new date.
Syntax
dateSet(date,dateField,dateValue)
| Argument | Description | |
|---|---|---|
| date | See Parameter Types: Date | The original date or date-time. For the current date-time use the attribute function now(). |
| dateField | See Date-Time Functions | The element of the date to be be changed, for example the month or seconds. |
| dateValue | The new value for that date element. |
Changing a date-time to a different _DAY_OF_WEEK, always returns a date in the same week as the input date. The week begins on Monday. For example, if the input date is a Thursday, setting the day of the week to:
- Monday, Tuesday or Wednesday returns an earlier date
- Friday, Saturday or Sunday returns a later date.
Examples
| Example | Returns |
|---|---|
dateSet("20100403.162359",_MONTH,3) | Sets the month to 3, so returns the date/time "20100303.162359" |
dateSet("in.invoiceDate",_MONTH,_JANUARY) | Returns in.invoiceDate with the month set to 1 (January). An invoice date of "20100303.162359" becomes "20100103.162359" |
dateSet("in.invoiceDate",_SECOND, 0) | Returns in.invoiceDate with the seconds set to 0. An invoice date-time of "20100303.162359" becomes "20100303.162300". |
dateSet(toDate("20131205"),_DAY_OF_WEEK,_TUESDAY) | The input date of "20131205" is a Thursday. This returns the date for the Tuesday in the same week, "20131203". |
dateSet(toDate("20131205"),_DAY_OF_WEEK,_SATURDAY) | The input date of "20131205" is a Thursday. This returns the date for the Saturday in the same week "20131207". |