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Home/ Questions/Q 649877
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Editorial Team
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Editorial Team
Asked: May 13, 20262026-05-13T21:59:31+00:00 2026-05-13T21:59:31+00:00

I have Product model and it has many categories with a has_many :through association

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I have Product model and it has many categories with a has_many :through association

In my controller I am trying to do a find by with categories.category but it comes up with a mysql error.

Model.find(:all, :conditions => ['categories.category_id = ?', @category.id ])

Ideas?

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  1. Editorial Team
    Editorial Team
    2026-05-13T21:59:31+00:00Added an answer on May 13, 2026 at 9:59 pm

    If you’re doing you’re find on the Product model, you’re either going to need to remove the categories. part of your :conditions statement, or add a :joins => :categroies to your finder.

    Some more help would certainly narrow down the problem, however.

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