Rails & Postgres: Migration to change_colomn gives error “cannot be cast to type timestamp without time zone”

Question

A Rails migration to turn a \"deleted_at\" time column to a datetime column failed. Any ideas on how to solve this? It\'s a fresh install of Postgres if that is relevant.

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Answer 1

In Rails this would look something like

class ChangeStatusUpdatedAtToDateTime < ActiveRecord::Migration
  def up
    remove_column :bookings, :status_updated_at
    add_column :bookings, :status_updated_at, :datetime
  end

  def down
    remove_column :bookings, :status_updated_at
    add_column :bookings, :status_updated_at, :time
  end
end