Ruby on Rails

On 2 January 2011 14:29, bingo bob <lists@ruby-forum.com> wrote:
>> If what you want to do is store a set of values for something varying
>> over time and wish to query the set, pick out max and min and so on
>> then I suggest this is not best served by versioning.  Instead model
>> it in the normal way.  So App has_many price_tiers, PriceTier
>> belongs_to app, and a PriceTier has a date field you can query on.
>>
>> Colin
>
> Thanks Colin, realised this is the way to go.
> Unless I'm mistaken I can just use the created_at date field to query
> on?

If created_at suits your need then certainly.

Colin

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