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module Arel
module Nodes
class InsertStatement < Arel::Nodes::Node
attr_accessor :relation, :columns, :values, :select
def initialize
super()
@relation = nil
@columns = []
@values = nil
@select = nil
end
def initialize_copy other
super
@columns = @columns.clone
@values = @values.clone if @values
@select = @select.clone if @select
end
def hash
[@relation, @columns, @values, @select].hash
end
def eql? other
self.class == other.class &&
self.relation == other.relation &&
self.columns == other.columns &&
self.select == other.select &&
self.values == other.values
end
alias :== :eql?
end
end
end
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