func (f *Filter) SelectOne() (iface.Document, error) {
q := mergeQuery(f.query, f.parents)
data, err := f.set.FindOne(q)
if err != nil {
return nil, err
}
return document.New(f.set, data), nil
}
func (f *Filter) Iterate(callback func(iface.Document) error) error {
f.set.Limit(0)
q := mergeQuery(f.query, f.parents)
dataz, err := f.set.Find(q)
if err != nil {
return err
}
for _, data := range dataz {
doc := document.New(f.set, data)
err := callback(doc)
if err != nil {
return err
}
}
return nil
}