func marshalQuadDirections(q quad.Quad) (s, p, o, l []byte, err error) {
s, err = proto.MarshalValue(q.Subject)
if err != nil {
return
}
p, err = proto.MarshalValue(q.Predicate)
if err != nil {
return
}
o, err = proto.MarshalValue(q.Object)
if err != nil {
return
}
l, err = proto.MarshalValue(q.Label)
if err != nil {
return
}
return
}
func nodeValues(h NodeHash, v quad.Value) (int, []interface{}, error) {
var (
nodeKey int
values = []interface{}{h.toSQL(), nil, nil}[:1]
)
switch v := v.(type) {
case quad.IRI:
nodeKey = 1
values = append(values, string(v), true)
case quad.BNode:
nodeKey = 2
values = append(values, string(v), true)
case quad.String:
nodeKey = 3
values = append(values, escapeNullByte(string(v)))
case quad.TypedString:
nodeKey = 4
values = append(values, escapeNullByte(string(v.Value)), string(v.Type))
case quad.LangString:
nodeKey = 5
values = append(values, escapeNullByte(string(v.Value)), v.Lang)
case quad.Int:
nodeKey = 6
values = append(values, int64(v))
case quad.Bool:
nodeKey = 7
values = append(values, bool(v))
case quad.Float:
nodeKey = 8
values = append(values, float64(v))
case quad.Time:
nodeKey = 9
values = append(values, time.Time(v))
default:
nodeKey = 0
p, err := proto.MarshalValue(v)
if err != nil {
glog.Errorf("couldn't marshal value: %v", err)
return 0, nil, err
}
values = append(values, p)
}
return nodeKey, values, nil
}