Method value

basex-core/src/main/java/org/basex/query/func/db/DbGetId.java:22–34

(final QueryContext qc)

 */
public class DbGetId extends DbAccessFn {
  @Override
  public final Value value(final QueryContext qc) throws QueryException {
    final Data data = toData(qc);
    final Iter values = arg(1).atomIter(qc, info);

    final IntList list = new IntList(Seq.initialCapacity(values.size()));
    for(Item item; (item = qc.next(values)) != null;) {
      final int id = (int) toLong(item), pre = pre(id, data);
      if(pre < 0 || pre >= data.meta.size) throw DB_RANGE_X_X.get(info, data.meta.name, id);
      list.add(pre);
    }
    return DBNodeSeq.get(list.ddo().finish(), data, this);
  }

  @Override
  protected final Expr opt(final CompileContext cc) throws QueryException {