Method opt

basex-core/src/main/java/org/basex/query/func/db/DbGetId.java:36–47

(final CompileContext cc)

  }

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

    final Expr nodes = arg(0);
    final Data data = nodes.data();
    if(data != null && !data.meta.updindex && !(this instanceof DbGetPre)) {
      // no ID-PRE mapping: work with PRE values
      return cc.function(_DB_GET_PRE, info, nodes);
    }
    return this;
  }

  @Override
  public final boolean ddo() {