DATETIME function

Converts date and time values, or a character string, into a DATETIME value.

Note: If any argument is the Unknown value (?), the result is the Unknown value (?).

Syntax

DATETIME (date-exp [, mtime-exp ] )

DATETIME ( string )

DATETIME (month, day, year, hours, minutes [, seconds [, milliseconds ] ] )

date-exp

An expression whose value is a DATE.

mtime-exp

An expression whose value is an integer representing the number of milliseconds since midnight.

string

A character expression whose value is a string containing a DATETIME. The date portion of the string must have the format specified by the DATE-FORMAT attribute. The time portion must be in a valid time format (HH:MM:SS, and so on).

month

An expression whose value is an integer from 1 to 12, inclusive.

day

An expression whose value is an integer from 1 to the highest valid day of the month.

year

An expression that evaluates to a year.

hours

An expression whose value is an integer from 0 to 23, inclusive.

minutes

An expression whose value is an integer from 0 to 59, inclusive.

seconds

An expression whose value is an integer from 0 to 61, inclusive. The upper limit is 61 for leap seconds.

milliseconds

An expression whose value is an integer from 0 to 999, inclusive.

Example

Following is an example of using the DATETIME function:

DEFINE VARIABLE my-datetime AS DATETIME NO-UNDO. /* This statement is equivalent to "my-datetime = NOW". */ my-datetime = DATETIME(TODAY, MTIME).

The following statements result in the same DATETIME value:

my-datetime = DATETIME(5, 5, 2002, 7, 15, 3). my-datetime = DATETIME(“05-05-2002 07:15:03”).

See also

ADD-INTERVAL function, DATE function, DATE-FORMAT attribute, DATETIME-TZ function, DAY function, ETIME function, INTERVAL function, ISO-DATE function, MONTH function, MTIME function, NOW function, TIME function, TIMEZONE function, TODAY function, WEEKDAY function, YEAR function, YEAR-OFFSET attribute

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