public org.apache.iotdb.db.queryengine.plan.relational.sql.ast.Statement toRelationalStatement(
      final MPPQueryContext context) {
    throw new UnsupportedOperationException("Method not implemented yet");
  }
This class is a superclass of all statements.

<p>A Statement containing all semantic information of an SQL. It is obtained by traversing the
AST via {@link ASTVisitor}.
iotdb-core/datanode/src/main/java/org/apache/iotdb/db/queryengine/plan/statement/Statement.java