module ActiveRecord::ConnectionAdapters::MySQL::DatabaseStatements

def combine_multi_statements(total_sql)
  total_sql.each_with_object([]) do |sql, total_sql_chunks|
    previous_packet = total_sql_chunks.last
    if max_allowed_packet_reached?(sql, previous_packet)
      total_sql_chunks << +sql
    else
      previous_packet << ";\n"
      previous_packet << sql
    end
  end
end