class CreateBookSequels
Public Instance Methods
down()
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# File lib/generators/dummy/templates/migrations/create_book_sequels.rb, line 11 def down drop_table :book_sequels end
up()
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# File lib/generators/dummy/templates/migrations/create_book_sequels.rb, line 2 def up create_table :book_sequels do |t| t.integer :book_id, null: false t.integer :sequel_id, null: false end add_index :book_sequels, [:book_id, :sequel_id], unique: true end