Got error -1 when reading table

it2022-05-08  8

环境:Percona Server for MySQL 5.5.18

模拟三个Terminal,实现当引用锁定表的查询被杀死时,错误日志中出现的Got error -1 when reading table

 Terminal A

mysql> set session autocommit=0; Query OK, 0 rows affected (0.00 sec) mysql> create table t1(i1 int not null primary key, v2 varchar(20)) engine =innodb; Query OK, 0 rows affected (0.00 sec) mysql> insert into t1 values(1,'a'),(2, 'b'),(3, 'c'),(4,'d'); Query OK, 4 rows affected (0.00 sec) Records: 4 Duplicates: 0 Warnings: 0 mysql> commit; Query OK, 0 rows affected (0.01 sec) mysql> select * from t1 where i1 = 2 for update; +----+------+ | i1 | v2 | +----+------+ | 2 | b | +----+------+ 1 row in set (0.00 sec) mysql> select * from t1 where i1 = 4 for update; +----+------+ | i1 | v2 | +----+------+ | 4 | d | +----+------+ 1 row in set (0.00 sec)

 Terminal B

mysql> set session autocommit=0; Query OK, 0 rows affected (0.00 sec) mysql> select * from t1 where i1 = 4 for update; 此时的查询会因为 Terminal A未提交而等待

 Terminal C

mysql> show processlist; +----+------+-----------+------+---------+------+------------+------------------------------------------+ | Id | User | Host | db | Command | Time | State | Info | +----+------+-----------+------+---------+------+------------+------------------------------------------+ | 1 | root | localhost | test | Query | 6 | statistics | select * from t1 where i1 = 4 for update | | 3 | root | localhost | NULL | Query | 0 | NULL | show processlist | | 5 | root | localhost | test | Sleep | 328 | | NULL | +----+------+-----------+------+---------+------+------------+------------------------------------------+ 3 rows in set (0.00 sec) mysql> kill query 1;  杀掉Terminal B 的Query Query OK, 0 rows affected (0.00 sec) 查看日志 171111 0:17:04 [ERROR] Got error -1 when reading table './test/t1'

转载于:https://www.cnblogs.com/Coye/p/7819060.html


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