code: @Override
      public boolean execute() throws SQLException {
          boolean isOk = false;
  
          try {
              boolean result = internalStmt.execute();
              isOk = true;
  
              return result;
          } finally {
              poolableConn.updateLastSQLExecutionTime(isOk);
          }
      }
docs: Method execute.
  
  @return boolean
  @throws SQLException
  @see java.sql.PreparedStatement#execute()