class Neighbor::Type::SqliteVector

def cast_value(value)
  if value.is_a?(String)
    value.unpack("f*")
  elsif Utils.array?(value)
    value.to_a
  else
    raise "can't cast #{value.class.name} to vector"
  end
end

def deserialize(value)
  value = super
  cast_value(value) unless value.nil?
end

def serialize(value)
  if Utils.array?(value)
    value = value.to_a.pack("f*")
  end
  super(value)
end