Method accept

core/src/main/java/org/apache/calcite/rel/core/Project.java:185–197

(RexShuttle shuttle)

  }

  @Override public RelNode accept(RexShuttle shuttle) {
    List<RexNode> exps = shuttle.apply(this.exps);
    if (this.exps == exps) {
      return this;
    }
    final RelDataType rowType =
        RexUtil.createStructType(
            getInput().getCluster().getTypeFactory(),
            exps,
            getRowType().getFieldNames(),
            null);
    return copy(traitSet, getInput(), exps, rowType);
  }

  /**
   * Returns the project expressions.