11.02.2014 03:42, Ian Lawrence Barwick wrote:

>
> Is the integer value of the column "rdb$character_set_id" from the table
> "rdb$character_sets" constant between Firebird versions?
>
> E.g. will character set "UTF8" always be "4" (and was it 4 in pre-2.5 versions)?

Yes, these values remain constant. Purely theoretically, some different
UTF8 incarnation may be introduced with a different ID to replace the
old one (similar to what happened with UNICODE_FSS -> UTF8), but ID=4
will still work as "old UTF8".


Dmitry