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dnch/gist:117880

Forked from cherring/gist:117876
Created May 26, 2009 03:57
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gistfile1.rb
# named_scope :between, lambda {|start_date, end_date, field|
# { :conditions => ["\"#{field}\" >= ? AND \"#{field}\" <= ?", start_date, end_date] }
# }
From the docs...
A range may be used in the hash to use the SQL BETWEEN operator
Student.find(:all, :conditions => { :grade => 9..12 })
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