20180711103922_add_protected_tags_index.rb 466 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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class AddProtectedTagsIndex < ActiveRecord::Migration[4.2]
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  include Gitlab::Database::MigrationHelpers

  DOWNTIME = false

  disable_ddl_transaction!

  def up
    add_concurrent_index :protected_tags, [:project_id, :name], unique: true
  end

  def down
    remove_concurrent_index :protected_tags, [:project_id, :name]
  end
end