35 lines
1.3 KiB
Ruby
35 lines
1.3 KiB
Ruby
#
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# Copyright (C) 2013 - 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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class RemoveMultipleRootFolders < ActiveRecord::Migration[4.2]
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tag :postdeploy
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disable_ddl_transaction!
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def self.up
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DataFixup::RemoveMultipleRootFolders.run
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if connection.adapter_name =~ /\Apostgresql/i
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add_index :folders, [:context_id, :context_type], :unique => true, :name => 'index_folders_on_context_id_and_context_type_for_root_folders', :algorithm => :concurrently, :where => "parent_folder_id IS NULL AND workflow_state<>'deleted'"
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end
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end
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def self.down
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if connection.adapter_name =~ /\Apostgresql/i
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remove_index :folders, name: 'index_folders_on_context_id_and_context_type_for_root_folders'
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end
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end
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end
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