You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: 20210819152920_change_allow_uploaded_avatars.rb
    path of file: ./repos/discourse/db/migrate
    
    the code of the file until where you have to start completion: # frozen_string_literal: tru
    
  def up
    execute <<~SQL
      UPDATE site_settings
      SET data_type = 7, value = (CASE WHEN value = 'f' THEN 'disabled' ELSE '0' END)
      WHERE name = 'allow_uploaded_avatars'
    SQL
  end