[Rails] Re: Re: Re: What the Ruby Association

Colin Law wrote in post #1068473:
> On 12 July 2012 17:56, Jean-Sbastien D. <lists@ruby-forum.com> wrote:
>>> Can you explain the above again, I don't understand what you are
>> CUSTOMER ORDER
>>
>> CUSTOMER ORDER
>> first_name price
>> last_name proceed_at
>> password
>> emails
>>
>> Now in models I would have to say
>>
>> Customer belongs to order
>> Order has customer
>
> I think that should be customer has_many orders and order belongs_to
> customer. The words make some reasonable sense in english.
>
>>
>> Now my main questions I understand I dont define customer_id and
>> order_id in customer and order table because its already assume to have
>> an id key when created. But in ORDER model should I define
>> customer_id:integer and in model say
>> ORder customer_id: has customer. To let it know that this field is
>> actually a foreign key?
>
> Since order belongs_to customer then the orders table (note the plural
> name for the table) should have a customer_id column. You don't need
> to tell rails that it is a foreign key, it will know that from the
> model relationships. To specify it in the migration for orders you
> can say (as is mentioned in the migrations guide).
>
> t.references :customer
> or
> t.integer :customer_id
>
> As I think I said previously if you work right through some tutorials
> all this should become clear.
>
> Colin

Sorry here a question in term of modeling!! BTW thanks I am learning a
lots with your comments

But I just want to make sure I get the association concept understood
well. I place a question few days ago on this links
http://railsforum.com/viewtopic.php?pid=153916#p153916 but don't seem to
have quick Answer. I just wanna make sure I understand the concept of
association compared to php

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