05.02.2015 13:09, Helen Borrie wrote:

>> I'm just having fun with 64 bit support in PHP and while drafting a
>> reply I suddenly thought. "When did 64bit BIGINT appear in Firebird?"
>
> It was always in Firebird. AFAIR, in some betas prior to Fb 1.0 one had to define 64-bit integers as NUMERIC(18,0) but I'm pretty certain that the BIGINT keyword was implemented before the release.

Actually, BIGINT was introduced in FB 1.5.

>> Were generators always 64 bit
>
> In Firebird (and IB6), yes.

It depends on the ODS. Generators are 64-bit in ODS10 and higher. If
Firebird opens an older ODS database, generators are 32-bit.

>> or did they evolve from 32bit.
>
> Firebird never had 32-bit generators.

But IB had, before IB6 and ODS10 appeared.


Dmitry