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# File activerecord/lib/active_record/associations/builder/has_and_belongs_to_many.rb, line 7 def initialize(lhs_class, rhs_class_name) @lhs_class = lhs_class @rhs_class_name = rhs_class_name @join_table = nil end
# File activerecord/lib/active_record/associations/builder/has_and_belongs_to_many.rb, line 13 def join_table @join_table ||= [@lhs_class.table_name, klass.table_name].sort.join("\0").gsub(/^(.*[._])(.+)\0\1(.+)/, '\1\2_\3').tr("\0", "_") end