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class ChangeNameIndexOnFactName < ActiveRecord::Migration[4.2]
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def up
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remove_index :fact_names, :column => :name, :unique => true
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add_index :fact_names, [:name, :type], unique: true
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end
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def down
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remove_index :fact_names, [:name, :type]
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add_index :fact_names, :name, unique: true
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end
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end
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