message: making VACCUM/ANALYZE a nop
diff: @@ -63,6 +63,9 @@ unique_ptr<SQLStatement> Transformer::TransformStatement(Node *stmt) {
  ExplainStmt *explain_stmt = reinterpret_cast<ExplainStmt *>(stmt);
  return make_unique<ExplainStatement>(TransformStatement(explain_stmt->query));
  }
  + case T_VacuumStmt: { // Ignore VACUUM/ANALYZE for now
  + return nullptr;
  + }
  default:
  throw NotImplementedException(NodetypeToString(stmt->type));
  }
  