Method localEquals

fe/src/main/java/org/apache/impala/analysis/Expr.java:1033–1036

Local eq comparator. Returns true if this expr is equal to 'that' ignoring children.

(Expr that)

   * Local eq comparator. Returns true if this expr is equal to 'that' ignoring children.
   */
  protected boolean localEquals(Expr that) {
    return getClass() == that.getClass() &&
        (fn_ == null ? that.fn_ == null : fn_.equals(that.fn_));
  }

  /**
   * Returns true if two expressions are equal. The equality comparison works on analyzed