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67 lines
2.4 KiB
67 lines
2.4 KiB
#-- encoding: UTF-8
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#-- copyright
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# OpenProject is a project management system.
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# Copyright (C) 2012-2014 the OpenProject Foundation (OPF)
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License version 3.
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#
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# OpenProject is a fork of ChiliProject, which is a fork of Redmine. The copyright follows:
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# Copyright (C) 2006-2013 Jean-Philippe Lang
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# Copyright (C) 2010-2013 the ChiliProject Team
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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#
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# See doc/COPYRIGHT.rdoc for more details.
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#++
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require_relative 'db_worker'
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require 'syck'
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module Migration
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module YamlMigrator
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include DbWorker
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def migrate_yaml(table, column, source_yamler, target_yamler)
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current_yamler = YAML::ENGINE.yamler
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fetch_data(table,column).each do | data |
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db_execute <<-SQL
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UPDATE #{quoted_table_name(table)}
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SET #{db_column(column)} = #{quote_value(yaml_to_yaml(data[column],source_yamler, target_yamler))}
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WHERE id = #{data['id']};
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SQL
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end
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ensure
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# psych is the default starting at ruby 1.9.3, so we explicitely set it here
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# in case no yamler was set to return to a sensible default
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YAML::ENGINE.yamler = current_yamler.present? ? current_yamler : 'psych'
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end
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def fetch_data(table, column)
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ActiveRecord::Base.connection.select_all <<-SQL
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SELECT #{db_column('id')}, #{db_column(column)}
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FROM #{quoted_table_name(table)}
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WHERE #{db_column(column)} LIKE #{quote_value('---%')}
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SQL
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end
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def yaml_to_yaml(data, source_yamler, target_yamler)
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YAML::ENGINE.yamler = source_yamler
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original = YAML.load(data)
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YAML::ENGINE.yamler = target_yamler
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YAML.dump original
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end
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end
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end
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