Chris@909: class PopulateChangesetsUserId < ActiveRecord::Migration
Chris@909:   def self.up
Chris@909:     committers = Changeset.connection.select_values("SELECT DISTINCT committer FROM #{Changeset.table_name}")
Chris@909:     committers.each do |committer|
Chris@909:       next if committer.blank?
Chris@909:       if committer.strip =~ /^([^<]+)(<(.*)>)?$/
Chris@909:         username, email = $1.strip, $3
Chris@909:         u = User.find_by_login(username)
Chris@909:         u ||= User.find_by_mail(email) unless email.blank?
Chris@909:         Changeset.update_all("user_id = #{u.id}", ["committer = ?", committer]) unless u.nil?
Chris@909:       end
Chris@909:     end
Chris@909:   end
Chris@909: 
Chris@909:   def self.down
Chris@909:     Changeset.update_all('user_id = NULL')
Chris@909:   end
Chris@909: end