Hello, Alexandre!

Thursday, September 9, 2004, 6:36:28 PM, you wrote:

ABS> If (
ABS> (Old.Quantity <> New.Quantity) or
ABS> ((Old.Quantity is null) and (New.Quantity is not null)) or
ABS> ((Old.Quantity is not null) and (New.Quantity is null))
ABS> ) then

Yaffil supports MS SQL-style == operator, i.e. yours code
can be changed to

if (Old.Quantity !== New.Quantity) then

if I've not have mistaken.

But, this is the question - will be == migrated from Yaffil
to Firebird as other Yaffil features.

--
Dmitri Kouzmenko