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class AddAuditableNameAndAssociatedNameToAudit < ActiveRecord::Migration[4.2]
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def up
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add_column :audits, :auditable_name, :string, :limit => 255 unless column_exists? :audits, :auditable_name
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add_column :audits, :associated_name, :string, :limit => 255 unless column_exists? :audits, :associated_name
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add_index :audits, :id unless index_exists? :audits, :id
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end
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def down
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remove_index :audits, :id if index_exists? :audits, :id
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remove_column :audits, :associated_name if column_exists? :audits, :associated_name
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remove_column :audits, :auditable_name if column_exists? :audits, :auditable_name
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end
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end
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