Add timestamps to an existing table

Question

I need to add timestamps (created_at & updated_at) to an existing table. I tried the following code but it didn\'t work.

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Answer 1

For those who don't use Rails but do use activerecord, the following also adds a column to an existing model, example is for an integer field.

ActiveRecord::Schema.define do
  change_table 'MYTABLE' do |table|
    add_column(:mytable, :my_field_name, :integer)
  end
end