Bug ID domain?

Jason Pyeron jason at pyeron.com
Thu Apr 24 22:57:09 UTC 2003


On Thu, 24 Apr 2003, Sean McAfee wrote:

>I ask because I've just realized I haven't yet allowed for storage of 
>field default values in my custom fields schema.  For a table like this:
>
>cf_integer
>----------
>bug_id integer not null,
>field_id integer not null,
>value integer,
>primary key (bug_id, field_id)
>
>...I'd like to use a special bug_id to store the default value for a 
>given field_id.  NULL is out, unfortunately, because I need that primary key.
>Would using a number like 0 or -1 be safe?

Why would you need to store defaults this way? That appears to be a DATA 
table. And hacks are bad.

IMHO:
cf_integer_metadata
-------------------
field_id int not null,
defval int,
columndesc varchar(63),
primary key (filed_id)

On Thu, 24 Apr 2003, Gervase Markham wrote:

>Well, currently they are auto-allocated by the database, starting at 1
>and going upwards, so it's codified like that. The domain is 1 -> 2^31
>at least.

I have seen several times where MySQL has started with zero [user 
intervention maybe?]


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