Subject Re: [IB-Architect] Generator bugfix RFP
Author Charlie Caro
Ann,

Sounds good. I was somewhat surprised by the quantity (certainly not the
quality) of responses here on this list.

Regards,
Charlie

Ann Harrison wrote:
>
> I would like to send this to the mers list and get it posted
> to the various news groups (InterBase and Kinobi) if no one
> has a problem with it.
>
> A bug has been identified in the implementation of generators
> which limits the number of generators that can be used safely
> in a single database. Users should determine how many
> generators they are using:
>
> select max (rdb$generator_id) from rdb$generators
>
> and consider any over the magic number to be suspect. Here's a
> table of magic numbers:
>
> PAGE SIZE
> VERSION 1K 2K 4K 8K
> Pre-V6 248 504 1016 2040
> V6 124 257 508 1020
>
> Any database that contains generators at or above the magic
> number is suspect and should be taken off-line at once. Tables
> that rely on those generators should be checked for data validity.
> After the data has been corrected the database should be backed up
> and restored to a larger page size if possible. All the suspect
> generators should have their values set explicitly to a value
> that corresponds to the corrected data before the database is put
> back on line.
>
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