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![Jean-Philippe Lang](/assets/img/avatar_default.png)
git-svn-id: http://redmine.rubyforge.org/svn/trunk@1623 e93f8b46-1217-0410-a6f0-8f06a7374b81
16 wiersze
495 B
Ruby
16 wiersze
495 B
Ruby
class AddEnumerationsPosition < ActiveRecord::Migration
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def self.up
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add_column(:enumerations, :position, :integer, :default => 1) unless Enumeration.column_names.include?('position')
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Enumeration.find(:all).group_by(&:opt).each do |opt, enums|
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enums.each_with_index do |enum, i|
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# do not call model callbacks
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Enumeration.update_all "position = #{i+1}", {:id => enum.id}
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end
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end
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end
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def self.down
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remove_column :enumerations, :position
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end
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end
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