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X 7.1.12 DATEVAL




X The DATEVAL function converts a non-date to a date field, for unambiguous
X use with date fields.


X If the DATEPROC compiler option is in effect, the returned value is a date
X field containing the value of argument-1 unchanged. For information on
X using the resulting date field:


X If the NODATEPROC compiler option is in effect, the DATEVAL function has
X no effect, and returns the value of argument-1 unchanged.


X The function type depends on the type of argument-1:


X Argument-1 Type Function Type


X Alphanumeric
Alphanumeric


X Integer
Integer


 X  ___ Format _____________________________________________________________ 
 X |                                                                        |
 X | >>__FUNCTION DATEVAL__(__argument-1__argument-2__)__________________>< |
   |                                                                        |
   |________________________________________________________________________|

X argument-1

X Must be one of the following:


X The value of argument-1 represents a date of the form specified by
X argument-2.


X argument-2

X Must be a nonnumeric literal specifying a date pattern, as defined in
| "DATE FORMAT Clause" in topic 5.3.6. The date pattern consists of YY
| or YYYY (representing a windowed year or expanded year, respectively),
| optionally preceded or followed by one or more Xs (representing other
| parts of a date, such as month and day), as follows. Note that the
X values are case-insensitive; the letters X and Y in argument-2 may be
X any mix of uppercase and lowercase.


X Date-pattern string... Specifies that argument-1 contains...


X YY
A windowed (2-digit) year.


X YYYY
An expanded (4-digit) year.


| X
A single character; for example, a digit
| representing a semester or quarter (1-4).


X XX
Two characters; for example, digits
X representing a month (01-12).


X XXX
Three characters; for example, digits
X representing a day of the year (001-366).


X XXXX
Four characters; for example, 2 digits
X representing a month (01-12) and 2 digits
X representing a day of the month (01-31).


X Note: You can use apostrophes as the literal delimiters instead of
X quotes (independent of the APOST/QUOTE compiler option).

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