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: 20190908234054_migrate_post_edit_time_limit.rb
    path of file: ./repos/discourse/db/migrate
    
    the code of the file until where you have to start completion: # frozen_string_literal: true

class MigratePostEditTimeLimit < ActiveRe
    
  def up
    execute <<~SQL
    INSERT INTO site_settings (
      name,
      value,
      data_type,
      created_at,
      updated_at
    )
      SELECT
        'tl2_post_edit_time_limit',
        value,
        data_type,
        CURRENT_TIMESTAMP,
        CURRENT_TIMESTAMP
      FROM site_settings
      WHERE
        name = 'post_edit_time_limit'
    ON CONFLICT
    DO NOTHING
    SQL
  end