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Filename : 20240313152338_remove_extraneous_indexes.rb
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# frozen_string_literal: true

#
# Copyright (C) 2024 - present Instructure, Inc.
#
# This file is part of Canvas.
#
# Canvas is free software: you can redistribute it and/or modify it under
# the terms of the GNU Affero General Public License as published by the Free
# Software Foundation, version 3 of the License.
#
# Canvas is distributed in the hope that it will be useful, but WITHOUT ANY
# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
# A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
# details.
#
# You should have received a copy of the GNU Affero General Public License along
# with this program. If not, see <http://www.gnu.org/licenses/>.
#

class RemoveExtraneousIndexes < ActiveRecord::Migration[7.0]
  tag :postdeploy
  disable_ddl_transaction!

  def change
    remove_index :assessment_question_banks,
                 [:context_id, :context_type],
                 name: "index_on_aqb_on_context_id_and_context_type",
                 algorithm: :concurrently,
                 if_exists: true
    remove_index :content_migrations, :context_id, algorithm: :concurrently, if_exists: true
    remove_index :favorites, :user_id, algorithm: :concurrently, if_exists: true
    remove_index :user_services, [:id, :type], algorithm: :concurrently, if_exists: true
  end
end