gitlab-org--gitlab-foss/db/migrate/20160715134306_add_index_fo...

# rubocop:disable RemoveIndex
class AddIndexForPipelineUserId < ActiveRecord::Migration[4.2]
  include Gitlab::Database::MigrationHelpers

  DOWNTIME = false

  disable_ddl_transaction!

  def up
    add_concurrent_index :ci_commits, :user_id
  end

  def down
    remove_index :ci_commits, :user_id if index_exists? :ci_commits, :user_id
  end
end
Add remove_concurrent_index to database helper 2017-04-05 22:53:57 +00:00			`# rubocop:disable RemoveIndex`
Add version 4.2 to all existing migrations DB schema generated by a migration may look different in rails 4 and 5 (because rails 5 may use different default values). For this reason it's important to explicitly set for which rails version a migration was written for. See https://stackoverflow.com/questions/35929869/activerecordmigration-deprecation-warning-asks-for-rails-version-but-im-no/35930912#35930912 2018-11-13 07:27:31 +00:00			`class AddIndexForPipelineUserId < ActiveRecord::Migration[4.2]`
Add index for user_id of pipeline 2016-07-15 13:46:49 +00:00			`include Gitlab::Database::MigrationHelpers`

Add downtime constants 2017-03-07 18:14:31 +00:00			`DOWNTIME = false`

Disable transaction when adding index for Ci::Pipeline 2016-07-18 12:01:57 +00:00			`disable_ddl_transaction!`

Add cop to ensure reversibility of add_concurrent_index 2017-03-07 16:08:53 +00:00			`def up`
Make rubocop happy 2016-07-15 16:01:43 +00:00			`add_concurrent_index :ci_commits, :user_id`
Add index for user_id of pipeline 2016-07-15 13:46:49 +00:00			`end`
Add cop to ensure reversibility of add_concurrent_index 2017-03-07 16:08:53 +00:00
			`def down`
			`remove_index :ci_commits, :user_id if index_exists? :ci_commits, :user_id`
			`end`
Add index for user_id of pipeline 2016-07-15 13:46:49 +00:00			`end`