# File lib/criteria/sql.rb, line 209 def _mkjoin(s, *args) return unless @join_type # JOIN clause s << " #@join_type " s << @joins.map { |j| j.to_s }.join(", ") if(@join_on.is_a? SQLCriterion) s << " ON " s << @join_on.to_s elsif(@join_on.is_a? Array) s << " USING(" s << @join_on.join(", ") s << ")" end end