db/migrate/20170216135621_add_index_for_latest_successful_pipeline.rb


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# rubocop:disable RemoveIndex
class AddIndexForLatestSuccessfulPipeline < ActiveRecord::Migration[4.2]
  include Gitlab::Database::MigrationHelpers
  DOWNTIME = false

  disable_ddl_transaction!

  def up
    add_concurrent_index(:ci_commits, [:gl_project_id, :ref, :status])
  end

  def down
    remove_index :ci_commits, [:gl_project_id, :ref, :status] if index_exists? :ci_commits, [:gl_project_id, :ref, :status]
  end
end