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path: root/db/migrate/20200304024042_add_sprint_id_index_to_merge_requests.rb
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# frozen_string_literal: true

class AddSprintIdIndexToMergeRequests < ActiveRecord::Migration[6.0]
  include Gitlab::Database::MigrationHelpers

  DOWNTIME = false

  disable_ddl_transaction!

  def up
    add_concurrent_index :merge_requests, :sprint_id
    add_concurrent_foreign_key :merge_requests, :sprints, column: :sprint_id
  end

  def down
    with_lock_retries do
      remove_foreign_key :merge_requests, column: :sprint_id
    end
    remove_concurrent_index :merge_requests, :sprint_id
  end
end