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path: root/db/migrate/20181121101842_add_ci_builds_partial_index_on_project_id_and_status.rb
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# frozen_string_literal: true

# See http://doc.gitlab.com/ce/development/migration_style_guide.html
# for more information on how to write migrations for GitLab.

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

  DOWNTIME = false

  disable_ddl_transaction!

  def up
    add_concurrent_index(*index_arguments)
  end

  def down
    remove_concurrent_index(*index_arguments)
  end

  private

  def index_arguments
    [
      :ci_builds,
      [:project_id, :status],
      {
        name: 'index_ci_builds_project_id_and_status_for_live_jobs_partial2',
        where: "(((type)::text = 'Ci::Build'::text) AND ((status)::text = ANY (ARRAY[('running'::character varying)::text, ('pending'::character varying)::text, ('created'::character varying)::text])))"
      }
    ]
  end
end