Try OpenEdge Now
ABL Reference
ABL Syntax Reference
:
LENGTH statement
LENGTH statement
Changes the number of bytes in a raw variable.
Syntax
LENGTH (
variable
) =
expression
variable
A variable of type RAW.
expression
An expression that returns an integer.
Example
This procedure takes the number of bytes in the name stored in the variable r1 and truncates it to 2 bytes:
r-rawln1.p
/* You must connect to a non-OpenEdge demo database to run this procedure */
DEFINE VARIABLE r1 as RAW NO-UNDO.
FIND Customer NO-LOCK WHERE Customer.CustNum = 29.
r1 = RAW(Customer.Name).
LENGTH(r1)
= 2.
Notes
If
variable
is the Unknown value (
?
), it remains the Unknown value (
?
).
If
expression
is greater than the number of bytes in
variable
, the AVM appends null bytes so that the length of
variable
equals the length of
expression
.