Method debugString

fe/src/main/java/org/apache/impala/analysis/Expr.java:983–985

()

  }

  public String debugString() {
    return (id_ != null ? "exprid=" + id_.toString() + " " : "") + debugString(children_);
  }

  public static String debugString(List<? extends Expr> exprs) {
    if (exprs == null || exprs.isEmpty()) return "";