rails don't supoort mysql bigint?

rubyonrails-talk
1

hi

rails 1.2.6 mysql 5

table:infos fields:id ,bigint(20), AUTO_INCREMENT =90000000013         name,varchar(255)

info_controllor.rb def add       @info = Info.new       @info.name = "ddd111"       @info.save!       puts "id:",@info.id.to_s end

run...     id:-194313203

why?rails don't supoort mysql bigint?

thx~~~