redmine/db/migrate/101_populate_changesets_user_id.rb

   1 class PopulateChangesetsUserId < ActiveRecord::Migration
   2   def self.up
   3     committers = Changeset.connection.select_values("SELECT DISTINCT committer FROM #{Changeset.table_name}")
   4     committers.each do |committer|
   5       next if committer.blank?
   6       if committer.strip =~ /^([^<]+)(<(.*)>)?$/
   7         username, email = $1.strip, $3
   8         u = User.find_by_login(username)
   9         u ||= User.find_by_mail(email) unless email.blank?
  10         Changeset.update_all("user_id = #{u.id}", ["committer = ?", committer]) unless u.nil?
  11       end
  12     end
  13   end
  14
  15   def self.down
  16     Changeset.update_all('user_id = NULL')
  17   end
  18 end