class CreateFertilizerCompositions < ActiveRecord::Migration[8.0]
  def change
    create_table :fertilizer_compositions do |t|
      t.references :fertilizer_product, null: false, foreign_key: true
      t.references :fertilizer_component, null: false, foreign_key: true
      t.decimal :percent_w, precision: 6, scale: 3, null: false  # e.g. 13.500 (% w/w)

      t.timestamps
    end
  end
end