On Monday, January 7, 2013 9:41:33 PM UTC-8, 吴玉宏 wrote:
>
> hi everyone,
> When I tried to upgrade ruby from 1.8.7 to 1.9 ,I got an issue
> NoMethodError:
> undefined method `<=' for :ip_from:Symbol
> , which is raised from the code
> filter((:ip_from <= ip) & (:ip_to >= ip)).first.
>
> All comparison operater >= ,<= ,> ,< used within the filter will raise
> such similar error.
>
> All worked well in Ruby 1.8.7, but failed in ruby 1.9 mode.
>
> So, does anyone know how to write the code for the same functionality
> filter in ruby 1.9 mode?
>
This is expected as Ruby 1.9 defines those methods directly on Symbol, and
Sequel doesn't override methods defined by ruby.
You should switch to using virtual rows:
filter{(ip_from <= ip) & (ip_to >= ip)}.first.
Thanks,
Jeremy
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