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To establish an association from a Post model to another Post model (say if one post is in response to another and there is a parent_post_id column on the posts table) - you would add the following to the Post model:

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To establish an association from a Post model to another Post model (say if one post is in response to another and there is a parent_post_id column on the posts table) - you would add the following to the Post model:






 
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