11.21. UPDATING
Available inPSQL
TypeBOOLEAN
Syntax
|
UPDATING
Available in triggers only, UPDATING
indicates if the trigger fired because of an UPDATE
operation.
Intended for use in multi-action triggers.
Example
|
if (inserting or updating) then
|begin
| if (new.serial_num is null) then
| new.serial_num = gen_id(gen_serials, 1);
|end