activerecord/lib/active_record/connection_adapters/postgresql/oid/uuid.rb


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module ActiveRecord
  module ConnectionAdapters
    module PostgreSQL
      module OID # :nodoc:
        class Uuid < Type::Value # :nodoc:
          def type
            :uuid
          end

          def type_cast(value)
            value.presence
          end
        end
      end
    end
  end
end