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class CreatePtables < ActiveRecord::Migration[4.2]
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class Ptable < ApplicationRecord; end
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def up
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create_table :ptables do |t|
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t.string :name, :limit => 64, :null => false
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t.string :layout, :limit => 4096, :null => false
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t.references :operatingsystem
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t.timestamps null: true
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end
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create_table :operatingsystems_ptables, :id => false do |t|
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t.references :ptable, :null => false
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t.references :operatingsystem, :null => false
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end
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end
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def down
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drop_table :ptables
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drop_table :operatingsystems_ptables
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end
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end
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