func Load(qw graph.QuadWriter, cfg *config.Config, dec quad.Unmarshaler) error {
block := make([]quad.Quad, 0, cfg.LoadSize)
count := 0
for {
t, err := dec.Unmarshal()
if err != nil {
if err == io.EOF {
break
}
return err
}
block = append(block, t)
if len(block) == cap(block) {
count += len(block)
err := qw.AddQuadSet(block)
if err != nil {
return fmt.Errorf("db: failed to load data: %v", err)
}
block = block[:0]
if clog.V(2) {
clog.Infof("Wrote %d quads.", count)
}
}
}
count += len(block)
err := qw.AddQuadSet(block)
if err != nil {
return fmt.Errorf("db: failed to load data: %v", err)
}
if clog.V(2) {
clog.Infof("Wrote %d quads.", count)
}
return nil
}
func remove(qw graph.QuadWriter, cfg *config.Config, dec quad.Unmarshaler) error {
for {
t, err := dec.Unmarshal()
if err != nil {
if err == io.EOF {
break
}
return err
}
err = qw.RemoveQuad(t)
if err != nil {
return err
}
}
return nil
}