func (this *builder) VisitKeyspaceTerm(node *algebra.KeyspaceTerm) (interface{}, error) {
node.SetDefaultNamespace(this.namespace)
keyspace, err := this.getTermKeyspace(node)
if err != nil {
return nil, err
}
if node.Keys() != nil {
scan := NewKeyScan(node.Keys())
this.children = append(this.children, scan)
} else {
if this.subquery {
return nil, errors.NewError(nil, fmt.Sprintf(
"FROM in subquery must use KEYS clause: FROM %s.",
node.Keyspace()))
}
scan, err := this.selectScan(keyspace, node)
if err != nil {
return nil, err
}
this.children = append(this.children, scan)
}
fetch := NewFetch(keyspace, node)
this.subChildren = append(this.subChildren, fetch)
return nil, nil
}
