Subject | Re: [firebird-support] Varchar size overhead |
---|---|
Author | Alexandre Benson Smith |
Post date | 2009-01-21T16:14:44Z |
Douglas Tosi wrote:
A bird told me some seconds ago that it is 127 to 2 not 512 to 2 :)
I remember that I read that a very long time ago, but I don't know were
it's documented, IIRC was a message in this list.
Let's wait if someone could clarify it
see you !
--
Alexandre Benson Smith
Development
THOR Software e Comercial Ltda
Santo Andre - Sao Paulo - Brazil
www.thorsoftware.com.br
> In your case you have 1968 trailing spaces for record, so you would havePerhaps I am wrong with the 512 byes compressed to 2 bytes :)
>> 4 chunks of 512 spaces (in fact 3 chunks of 512 and the other of 432),
>> this would put an overhead of 8 bytes per record on your varchar(2000)
>> column,
>>
>
> But the difference between average record length is 30 bytes. There
> must be something else going on.
>
> regards,
>
A bird told me some seconds ago that it is 127 to 2 not 512 to 2 :)
I remember that I read that a very long time ago, but I don't know were
it's documented, IIRC was a message in this list.
Let's wait if someone could clarify it
see you !
--
Alexandre Benson Smith
Development
THOR Software e Comercial Ltda
Santo Andre - Sao Paulo - Brazil
www.thorsoftware.com.br