Method withRel

core/src/main/java/org/apache/calcite/rel/RelRoot.java:130–135

Creates a copy of this RelRoot, assigning a RelNode.

(RelNode rel)

  /** Creates a copy of this RelRoot, assigning a {@link RelNode}. */
  public RelRoot withRel(RelNode rel) {
    if (rel == this.rel) {
      return this;
    }
    return new RelRoot(rel, validatedRowType, kind, fields, collation, hints);
  }

  /** Creates a copy, assigning a new kind. */
  public RelRoot withKind(SqlKind kind) {