db/migrate/20160819221833_reset_diff_note_discussion_id_because_it_was_calculated_wrongly.rb


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# See http://doc.gitlab.com/ce/development/migration_style_guide.html
# for more information on how to write migrations for GitLab.

class ResetDiffNoteDiscussionIdBecauseItWasCalculatedWrongly < ActiveRecord::Migration
  include Gitlab::Database::MigrationHelpers

  DOWNTIME = false

  def up
    execute "UPDATE notes SET discussion_id = NULL WHERE discussion_id IS NOT NULL AND type = 'DiffNote'"
  end
end