19 lines
383 B
Ruby
19 lines
383 B
Ruby
# == Schema Information
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#
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# Table name: categories
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#
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# id :bigint not null, primary key
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# name :string
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# created_at :datetime not null
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# updated_at :datetime not null
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#
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# Indexes
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#
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# index_categories_on_name (name) UNIQUE
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#
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class Category < ApplicationRecord
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has_many :subjects
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validates :name, presence: true, uniqueness: true
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end
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