"Tom Lane" <[EMAIL PROTECTED]> wrote
>
> If we were willing to invent the "varlena2" datum format then we could
> save four bytes per numeric, plus reduce numeric's alignment requirement
> from int to short which would probably save another byte per value on
> average. I'm not sure that that's worth doing if numeric and inet are
> the only beneficiaries, but it might be.
>
I would support "varlena2" from user's applications. Another benefit is for
char types. Many applications are from DB2, Oracle or SQL Server:
Max Char Length
DB2 32672
SQL 8000
Oracle 4000
All of above just need varlena2. To support bigger char types, we could
follow the tradition "long varchar", etc.
Regards,
Qingqing
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