DROP STATS

      1. Query OK, 0 rows affected (0.01 sec)
      1. +---------+------------+----------------+---------------------+--------------+-----------+
      3. +---------+------------+----------------+---------------------+--------------+-----------+
      4. +---------+------------+----------------+---------------------+--------------+-----------+
      1. DROP STATS t;
      1. SHOW STATS_META WHERE db_name='test' and table_name='t';

        该语句是 TiDB 对 MySQL 语法的扩展。