54 lines
1.7 KiB
Ruby
54 lines
1.7 KiB
Ruby
#
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# Copyright (C) 2012 - 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 DropReallyOldUnusedColumns < ActiveRecord::Migration[4.2]
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tag :postdeploy
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disable_ddl_transaction!
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# cleanup for some legacy database schema that may not even exist for databases created post-OSS release
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def self.maybe_drop(table, column)
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remove_column(table, column) if self.connection.columns(table).map(&:name).include?(column.to_s)
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end
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def self.up
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maybe_drop :accounts, :account_code
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maybe_drop :accounts, :authentication_type
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maybe_drop :accounts, :ldap_host
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maybe_drop :accounts, :ldap_domain
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maybe_drop :account_authorization_configs, :auth_uid
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maybe_drop :assignments, :sequence_position
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maybe_drop :content_tags, :sequence_position
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maybe_drop :course_sections, :students_can_participate_before_start_at
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maybe_drop :discussion_topics, :authorization_list_id
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maybe_drop :enrollments, :can_participate_before_start_at
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maybe_drop :pseudonyms, :crypted_webdav_access_code
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maybe_drop :quizzes, :root_quiz_id
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end
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def self.down
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end
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end
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