20160819221631_add_index_to_note_discussion_id.rb 481 Bytes
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# See http://doc.gitlab.com/ce/development/migration_style_guide.html
# for more information on how to write migrations for GitLab.

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# rubocop:disable RemoveIndex
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class AddIndexToNoteDiscussionId < ActiveRecord::Migration
  include Gitlab::Database::MigrationHelpers

  DOWNTIME = false

  disable_ddl_transaction!

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  def up
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    add_concurrent_index :notes, :discussion_id
  end
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  def down
    remove_index :notes, :discussion_id if index_exists? :notes, :discussion_id
  end
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end