Incorrect database name '#mysql50#.sst'

admin

删除数据库时报错：Incorrect database name '#mysql50#.sst'

MariaDB [(none)]> drop database '#mysql50#.sst' ;
1 I. W# m; d1 `: I1 rERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near ''#mysql50#.sst'' at line 1

报错，出现特殊符号：
% q$ y4 G' ?0 @0 R/ B( Y3 P9 K$ d9 l

解决办法：
[root@controller1 _data]# ls -la  | grep ^d | egrep '\.'
4 v" {6 I+ s: P* Xdrwxr-xr-x 12 42434 42434      4096 Nov 26 18:05 .
drwxr-xr-x  3 42434 42434        19 Nov 26 15:13 ..
% z) F. |0 e0 d: A: {5 qdrwxrwx--x 10 42434 42434       139 Nov 26 14:42 .sst
& l, O/ c2 f+ M7 Q( [[root@controller1 _data]# rm -rf .sst/
8 k+ i8 E6 }2 o& }% o
) P" E: [' c. P; h3 W即可解决问题：