@Override
  public <R, C> R accept(PlanVisitor<R, C> visitor, C context) {
    return visitor.visitApply(this, context);
  }
HACK! Used for error reporting in case this ApplyNode is not supported
iotdb-core/datanode/src/main/java/org/apache/iotdb/db/queryengine/plan/relational/planner/node/ApplyNode.java