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我有一个Model属性的Model Model。 我想创建一个查询,返回员工不在假期。用滑轨查询
例如:
employees = Employee.where("disease = ? AND (Date.today < holidays.starts_at OR Date.today > holidays.ends_at)", false).order("engagement ASC").all
员工型号:
class Employee < ActiveRecord::Base
has_many :holidays, :dependent => :destroy
after_initialize do
self.acceso ||= true
end
end
假期型号有:starts_at, :ends_at, :employee_id
属性