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rails--rails/lib/arel/nodes/unary.rb
2011-04-21 15:28:21 -05:00

33 lines
475 B
Ruby

module Arel
module Nodes
class Unary < Arel::Nodes::Node
attr_accessor :expr
alias :value :expr
def initialize expr
@expr = expr
end
end
%w{
Bin
Group
Grouping
Having
Limit
Not
Offset
On
Top
Lock
}.each do |name|
const_set(name, Class.new(Unary))
end
class Distinct < Unary
def initialize expr = nil
super
end
end
end
end