15 lines
419 B
Ruby
15 lines
419 B
Ruby
class CreateParksByStates < ActiveRecord::Migration[8.0]
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def change
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create_table :parks_by_states do |t|
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t.string :park_code, null: false
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t.string :state, null: false
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t.timestamps
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end
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add_index :parks_by_states, [:state, :park_code], unique: true
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add_index :parks_by_states, :park_code
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add_foreign_key :parks_by_states, :parks, column: :park_code, primary_key: :code
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end
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end
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