Need help to understand :source option of has_one/has_many through of Rails

Posted by Tri Vuong on Stack Overflow See other posts from Stack Overflow or by Tri Vuong
Published on 2011-01-08T04:51:29Z Indexed on 2011/01/08 4:53 UTC
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Hi

Please help me in understanding the :source option of has_one/has_many through association. The Rails api explanation makes very little sense to me

"Specifies the source association name used by has_many :through queries. Only use it if the name cannot be inferred from the association. has_many :subscribers, :through => :subscriptions will look for either :subscribers or :subscriber on Subscription, unless a :source is given. "

Thanks.

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