db/migrate/20181101144347_add_index_for_stuck_mr_query.rb


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# frozen_string_literal: true
class AddIndexForStuckMrQuery < ActiveRecord::Migration
  include Gitlab::Database::MigrationHelpers

  DOWNTIME = false

  disable_ddl_transaction!

  def up
    add_concurrent_index :merge_requests, [:id, :merge_jid], where: "merge_jid IS NOT NULL and state = 'locked'"
  end

  def down
    remove_concurrent_index :merge_requests, [:id, :merge_jid], where: "merge_jid IS NOT NULL and state = 'locked'"
  end
end