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class Project < ActiveRecord :: Base
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has_and_belongs_to_many :developers , - > { distinct . order 'developers.name desc, developers.id desc' }
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has_and_belongs_to_many :readonly_developers , - > { readonly } , :class_name = > " Developer "
has_and_belongs_to_many :non_unique_developers , - > { order 'developers.name desc, developers.id desc' } , :class_name = > 'Developer'
has_and_belongs_to_many :limited_developers , - > { limit 1 } , :class_name = > " Developer "
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has_and_belongs_to_many :developers_named_david , - > { where ( " name = 'David' " ) . distinct } , :class_name = > " Developer "
has_and_belongs_to_many :developers_named_david_with_hash_conditions , - > { where ( :name = > 'David' ) . distinct } , :class_name = > " Developer "
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has_and_belongs_to_many :salaried_developers , - > { where " salary > 0 " } , :class_name = > " Developer "
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has_and_belongs_to_many :developers_with_callbacks , :class_name = > " Developer " , :before_add = > Proc . new { | o , r | o . developers_log << " before_adding #{ r . id || '<new>' } " } ,
:after_add = > Proc . new { | o , r | o . developers_log << " after_adding #{ r . id || '<new>' } " } ,
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:before_remove = > Proc . new { | o , r | o . developers_log << " before_removing #{ r . id } " } ,
:after_remove = > Proc . new { | o , r | o . developers_log << " after_removing #{ r . id } " }
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has_and_belongs_to_many :well_payed_salary_groups , - > { group ( " developers.salary " ) . having ( " SUM(salary) > 10000 " ) . select ( " SUM(salary) as salary " ) } , :class_name = > " Developer "
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attr_accessor :developers_log
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after_initialize :set_developers_log
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def set_developers_log
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@developers_log = [ ]
end
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def self . all_as_method
all
end
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scope :all_as_scope , - > { all }
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end
class SpecialProject < Project
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end