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Editorial Team
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Asked: 2026-05-16T18:50:46+00:00

Suppose I have an object Person , which has_many :foos and :bars . Given

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Suppose I have an object Person, which has_many :foos and :bars.

Given an instance, p (p = Person.new), how do I programmatically determine what relationships are available?

i.e. p.some_method => ["foo", "bar"]

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1 Answer

  1. Editorial Team

    You can use Active Record Reflections (API here)

    In your example:

    p.class.reflect_on_all_associations(:has_many).collect {|a| a.name}
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