rails database array code example

Example 1: model with array rails

create_table :products do |t|
  t.string :name
  t.text :colors, array: true, default: []
end

Example 2: rails store array in database

class AddSubjectsToBook < ActiveRecord::Migration
  def change
    add_column :books, :subjects, :text, array:true, default: []
  end
end