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path: root/db/migrate/20181106135939_add_index_to_deployments.rb
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# frozen_string_literal: true

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

  DOWNTIME = false

  disable_ddl_transaction!

  def up
    remove_concurrent_index :deployments, [:project_id, :status]
    remove_concurrent_index :deployments, [:environment_id, :status]
    add_concurrent_index :deployments, [:project_id, :status, :id]
    add_concurrent_index :deployments, [:project_id, :status, :iid]
    add_concurrent_index :deployments, [:environment_id, :status, :id]
    add_concurrent_index :deployments, [:environment_id, :status, :iid]
    add_concurrent_index :deployments, [:environment_id, :sha]
  end

  def down
    add_concurrent_index :deployments, [:project_id, :status]
    add_concurrent_index :deployments, [:environment_id, :status]
    remove_concurrent_index :deployments, [:project_id, :status, :id]
    remove_concurrent_index :deployments, [:project_id, :status, :iid]
    remove_concurrent_index :deployments, [:environment_id, :status, :id]
    remove_concurrent_index :deployments, [:environment_id, :status, :iid]
    remove_concurrent_index :deployments, [:environment_id, :sha]
  end
end