db/migrate/20171006090010_add_build_foreign_key_to_ci_build_trace_sections.rb


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class AddBuildForeignKeyToCiBuildTraceSections < ActiveRecord::Migration[4.2]
  include Gitlab::Database::MigrationHelpers

  DOWNTIME = false

  disable_ddl_transaction!

  def up
    add_concurrent_foreign_key(:ci_build_trace_sections, :ci_builds, column: :build_id)
  end

  def down
    remove_foreign_key(:ci_build_trace_sections, column: :build_id)
  end
end