[Nottingham] SQLite and 'locking'
Martin
martin at ml1.co.uk
Tue Feb 27 12:35:17 GMT 2007
Martin Garton wrote:
> On Tue, 2007-02-27 at 11:59 +0000, Martin wrote:
>>
>> Then it's a simple case (later) to add new status options for additional
>> states such as seat broken, seat too dirty, baby seat, oversized seat,
>> ... all without breaking too much of the existing code.
>
> How do you indicate a dirty baby seat?
Use a bit field instead of enumerating, or even add more enumerations...?
> In general i strongly dislike "status" fields and prefer separating
> things into different fields in all but the most trivial of cases.
Which is the more expensive: One column of enumerations or multiple
columns of flags/counts?
Cheers,
Martin
--
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Martin Lomas
martin at ml1.co.uk
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