66 lines
2.9 KiB
Ruby
66 lines
2.9 KiB
Ruby
# frozen_string_literal: true
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#
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# Copyright (C) 2017 - present Instructure, Inc.
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#
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# This file is part of Canvas.
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#
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# Canvas is free software: you can redistribute it and/or modify it under
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# the terms of the GNU Affero General Public License as published by the Free
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# Software Foundation, version 3 of the License.
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#
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# Canvas is distributed in the hope that it will be useful, but WITHOUT ANY
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# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
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# A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
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# details.
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#
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# You should have received a copy of the GNU Affero General Public License along
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# with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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class AddPg12CollationIndexes < ActiveRecord::Migration[7.0]
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tag :predeploy
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disable_ddl_transaction!
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def up
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if connection.index_name_exists?(:users, :index_users_on_sortable_name)
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if connection.index_name_exists?(:users, :index_users_on_sortable_name_collkey)
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# both indexes exist? probably from a failed migration. just remove the base index and try again
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remove_index :users, name: :index_users_on_sortable_name # rubocop:disable Migration/NonTransactional
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else
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rename_index :users, :index_users_on_sortable_name, :index_users_on_sortable_name_collkey
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end
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end
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add_index :users,
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"(sortable_name COLLATE public.\"und-u-kn-true\"), id",
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name: :index_users_on_sortable_name,
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algorithm: :concurrently,
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if_not_exists: true
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if connection.index_name_exists?(:attachments, :index_attachments_on_folder_id_and_file_state_and_display_name)
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if connection.index_name_exists?(:attachments, :index_attachments_collkey)
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remove_index :attachments, name: :index_attachments_on_folder_id_and_file_state_and_display_name # rubocop:disable Migration/NonTransactional
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else
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rename_index :attachments, :index_attachments_on_folder_id_and_file_state_and_display_name, :index_attachments_collkey
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end
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end
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add_index :attachments,
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"folder_id, file_state, (display_name COLLATE public.\"und-u-kn-true\")",
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name: :index_attachments_on_folder_id_and_file_state_and_display_name,
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where: "folder_id IS NOT NULL",
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algorithm: :concurrently,
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if_not_exists: true
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end
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def down
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if connection.index_name_exists?(:users, :index_users_on_sortable_name_collkey)
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remove_index :users, name: :index_users_on_sortable_name, if_exists: true
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rename_index :users, :index_users_on_sortable_name_collkey, :index_users_on_sortable_name
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end
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if connection.index_name_exists?(:attachments, :index_attachments_collkey)
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remove_index :attachments, name: :index_attachments_on_folder_id_and_file_state_and_display_name, if_exists: true
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rename_index :attachments, :index_attachments_collkey, :index_attachments_on_folder_id_and_file_state_and_display_name
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end
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end
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end
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