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openproject/db/migrate/20140411142338_clear_identi...

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#-- copyright
# OpenProject is a project management system.
# Copyright (C) 2012-2018 the OpenProject Foundation (OPF)
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License version 3.
#
# OpenProject is a fork of ChiliProject, which is a fork of Redmine. The copyright follows:
# Copyright (C) 2006-2017 Jean-Philippe Lang
# Copyright (C) 2010-2013 the ChiliProject Team
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
#
# See docs/COPYRIGHT.rdoc for more details.
#++
class ClearIdentityUrlsOnUsers < ActiveRecord::Migration[5.1]
def up
create_table 'legacy_user_identity_urls' do |t|
t.string 'login', limit: 256, default: '', null: false
t.string 'identity_url'
end
execute "INSERT INTO legacy_user_identity_urls(id, login, identity_url)
SELECT id, login, identity_url FROM users"
execute 'UPDATE users SET identity_url = NULL'
end
def down
if mysql?
execute "UPDATE users u
JOIN legacy_user_identity_urls lu ON u.id = lu.id
SET u.identity_url = lu.identity_url"
elsif postgres?
execute "UPDATE users
SET identity_url = lu.identity_url
FROM legacy_user_identity_urls lu
WHERE users.id = lu.id"
else
raise 'The down part of this migration only supports MySQL and PostgreSQL.'
end
drop_table :legacy_user_identity_urls
end
def postgres?
ActiveRecord::Base.connection.instance_values['config'][:adapter] == 'postgresql'
end
def mysql?
ActiveRecord::Base.connection.instance_values['config'][:adapter] == 'mysql2'
end
end