Quoting sol <[email protected]>:
> This is really weird, either a bug (it's 3.1 rc5) or I don't know:
>
> 1) DocType.create(:name => request.remote_ip)
> DocType.find_by_name('127.0.0.1')
> DocType Load (1.4ms) SELECT "doc_types".* FROM "doc_types" WHERE
> "doc_types"."name" = '127.0.0.1' LIMIT 1
> => nil
>
Dynamic typing is wonderful, until it isn't. My hypothesis is that remote_ip
is not a Fixnum or Bignum but a custom class that overrides to_s. To test the
hypothesis, I'd run the following in the console of writing to the log.
puts request.remote_ip.class
puts request.remote_ip
puts request.remote_ip.to_s
puts "#{request.remote_ip}"
puts request.remote_ip.inspect
DocType.create(:name => request.remote_ip)
DocType.last
DocType.create(:name => request.remote_ip.to_s)
DocType.last
Somewhere in this, I expect the truth will be revealed.
A IPv4 address is a 32 bit, unsigned number. It is usually
represented/rendered in dotted quad notation, but 0x7F000001 or 2130706433 are
equally valid representations of the local or loopback interface's IPv4
address.
HTH,
Jeffrey
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