Method count

basex-core/src/main/java/org/basex/query/expr/path/Path.java:1136–1143

(final Var var)

  }

  @Override
  public final VarUsage count(final Var var) {
    // context reference check: only consider root
    if(var == null) return root == null ? VarUsage.ONCE : root.count(null);

    final VarUsage inRoot = root == null ? VarUsage.NEVER : root.count(var);
    return VarUsage.sum(var, steps) == VarUsage.NEVER ? inRoot : VarUsage.MORE_THAN_ONCE;
  }

  @Override
  public final Expr inline(final InlineContext ic) throws QueryException {