36 lines
1.0 KiB
Ruby
36 lines
1.0 KiB
Ruby
#-- encoding: UTF-8
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#-- copyright
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# ChiliProject is a project management system.
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#
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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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# See doc/COPYRIGHT.rdoc for more details.
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#++
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class AddProjectsTrackersUniqueIndex < ActiveRecord::Migration
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def self.up
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remove_duplicates
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add_index :projects_trackers, [:project_id, :tracker_id], :name => :projects_trackers_unique, :unique => true
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end
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def self.down
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remove_index :projects_trackers, :name => :projects_trackers_unique
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end
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# Removes duplicates in projects_trackers table
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def self.remove_duplicates
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Project.find(:all).each do |project|
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ids = project.trackers.collect(&:id)
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unless ids == ids.uniq
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project.trackers.clear
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project.tracker_ids = ids.uniq
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end
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end
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end
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end
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