从 MariaDB 5.5 迁移到 10.0 后，我注意到一条错误消息提到了名为piwik/#sql-1526_3a.
从那里我开始谷歌搜索并找到了innodb 故障排除文档
确实，SELECT * FROM INFORMATION_SCHEMA.INNODB_SYS_TABLES WHERE NAME LIKE '%#sql%';给出了以下结果：
MariaDB [(none)]> SELECT * FROM INFORMATION_SCHEMA.INNODB_SYS_TABLES WHERE NAME LIKE '%#sql%';
+----------+--------+----------------+------+--------+-------+
| TABLE_ID | SCHEMA | NAME | FLAG | N_COLS | SPACE |
+----------+--------+----------------+------+--------+-------+
| 323 | piwik | #sql-1526_3a | 1 | 11 | 320 |
| 265 | piwik | #sql-5305_92b0 | 1 | 24 | 262 |
| 321 | piwik | #sql-7920_48 | 1 …