db/migrate/20161223034646_create_timelogs_ce.rb


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class CreateTimelogsCe < ActiveRecord::Migration
  include Gitlab::Database::MigrationHelpers

  DOWNTIME = false

  def up
    unless table_exists?(:timelogs)
      create_table :timelogs do |t|
        t.integer :time_spent, null: false
        t.references :trackable, polymorphic: true
        t.references :user

        t.timestamps null: false
      end

      add_index :timelogs, [:trackable_type, :trackable_id]
      add_index :timelogs, :user_id
    end
  end

  def down
    drop_table :timelogs if table_exists?(:timelogs)
  end
end