BigW Consortium Gitlab

20161206153754_add_name_index_to_namespace.rb 538 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 AddNameIndexToNamespace < ActiveRecord::Migration
  include Gitlab::Database::MigrationHelpers

  disable_ddl_transaction!

  DOWNTIME = false

  def up
    add_concurrent_index(:namespaces, [:name, :parent_id], unique: true)
  end

  def down
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    if index_exists?(:namespaces, [:name, :parent_id])
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      remove_index :namespaces, [:name, :parent_id]
    end
  end
end