@@ver_tbl.each { |tbl|
add_column "current_#{tbl}", "version", :bigint, :limit => 20, :null => false
execute "UPDATE current_#{tbl} SET version = " +
@@ver_tbl.each { |tbl|
add_column "current_#{tbl}", "version", :bigint, :limit => 20, :null => false
execute "UPDATE current_#{tbl} SET version = " +