Description:
During an alter table from Innodb to myisam the instrument is not reporting the information at all.
How to repeat:
(root@localhost) [performance_schema]>\s
--------------
/opt/mysql_templates/mysql-57M16/bin/mysql Ver 14.14 Distrib 5.7.6-m16, for linux-glibc2.5 (x86_64) using EditLine wrapper
Connection id: 7
Current database: performance_schema
Current user: root@localhost
SSL: Not in use
Current pager: stdout
Using outfile: ''
Using delimiter: ;
Server version: 5.7.6-m16-log MySQL Community Server (GPL)
Protocol version: 10
Connection: Localhost via UNIX socket
Server characterset: latin1
Db characterset: utf8
Client characterset: utf8
Conn. characterset: utf8
UNIX socket: /opt/mysql_instances/server57/mysql.sock
Uptime: 4 hours 1 min 18 sec
Threads: 8 Questions: 473911 Slow queries: 0 Opens: 147 Flush tables: 1 Open tables: 124 Queries per second avg: 32.733
(root@localhost) [test]>alter table test.tbtest_child1 engine=myisam;
(root@localhost) [performance_schema]>show processlist;
+----+-----------------+------------------+--------------------+-------------+-------+---------------------------------------------------------------+------------------------------------------------------------------------------------------------------+
| Id | User | Host | db | Command | Time | State | Info |
+----+-----------------+------------------+--------------------+-------------+-------+---------------------------------------------------------------+------------------------------------------------------------------------------------------------------+
| 1 | event_scheduler | localhost | NULL | Daemon | 14023 | Waiting on empty queue | NULL |
| 5 | replication | 10.0.0.13:45544 | NULL | Binlog Dump | 13971 | Master has sent all binlog to slave; waiting for more updates | NULL |
| 6 | replication | 10.0.0.12:36452 | NULL | Binlog Dump | 13971 | Master has sent all binlog to slave; waiting for more updates | NULL |
| 7 | root | localhost | performance_schema | Query | 0 | starting | show processlist |
| 88 | stress | 10.0.0.151:53653 | test | Sleep | 1 | | NULL |
| 90 | stress | 10.0.0.151:53655 | test | Query | 4 | update | insert INTO tbtest5 (uuid,date,a,b,c,counter,partitionid,strrecordtype) VALUES(UUID(),'2015-03-29',1 |
| 92 | stress | 10.0.0.151:53657 | test | Query | 1 | updating | DELETE FROM tbtest4 where a between 227342 and 228342 |
| 96 | root | localhost | test | Query | 13 | copy to tmp table | alter table test.tbtest_child1 engine=myisam |
+----+-----------------+------------------+--------------------+-------------+-------+---------------------------------------------------------------+------------------------------------------------------------------------------------------------------+
(root@localhost) [performance_schema]>select ISPL.HOST,ISPL.DB,ISPL.User,ISPL.ID,ESH.*, SUBSTR(ISPL.Info,1,20) SQLT from information_schema.processlist ISPL JOIN threads TH on ISPL.ID=TH.PROCESSLIST_ID JOIN events_stages_current ESH ON TH.THREAD_ID=ESH.THREAD_ID Where ISPL.User='root' order by TIMER_START DESC;
+-----------+--------------------+------+----+-----------+----------+--------------+------------------------+---------------------+-------------------+-----------+------------+----------------+----------------+------------------+--------------------+----------------------+
| HOST | DB | User | ID | THREAD_ID | EVENT_ID | END_EVENT_ID | EVENT_NAME | SOURCE | TIMER_START | TIMER_END | TIMER_WAIT | WORK_COMPLETED | WORK_ESTIMATED | NESTING_EVENT_ID | NESTING_EVENT_TYPE | SQLT |
+-----------+--------------------+------+----+-----------+----------+--------------+------------------------+---------------------+-------------------+-----------+------------+----------------+----------------+------------------+--------------------+----------------------+
| localhost | performance_schema | root | 7 | 38 | 398561 | NULL | stage/sql/Sending data | sql_executor.cc:193 | 14130036996678000 | NULL | NULL | NULL | NULL | 398547 | STATEMENT | select ISPL.HOST,ISP |
+-----------+--------------------+------+----+-----------+----------+--------------+------------------------+---------------------+-------------------+-----------+------------+----------------+----------------+------------------+--------------------+----------------------+
1 row in set (0.00 sec)
(root@localhost) [performance_schema]>select ISPL.HOST,ISPL.DB,ISPL.User,ISPL.ID,ESH.*, SUBSTR(ISPL.Info,1,20) SQLT from information_schema.processlist ISPL JOIN threads TH on ISPL.ID=TH.PROCESSLIST_ID JOIN events_stages_history ESH ON TH.THREAD_ID=ESH.THREAD_ID Where ISPL.User='root' and info is not null AND id=96 order by TIMER_START DESC;
Empty set (0.00 sec)
(root@localhost) [performance_schema]>select * from setup_instruments where name like '%tmp%' and ENABLED='YES';
+------------------------------------------------+---------+-------+
| NAME | ENABLED | TIMED |
+------------------------------------------------+---------+-------+
| stage/sql/Copying to tmp table | YES | YES | <-------- all active
| stage/sql/copy to tmp table | YES | YES | <-------- all active
| stage/sql/Creating tmp table | YES | YES | <-------- all active
| stage/sql/removing tmp table | YES | YES | <-------- all active
+------------------------------------------------+---------+-------+
(root@localhost) [performance_schema]>select * from setup_consumers;
+----------------------------------+---------+
| NAME | ENABLED |
+----------------------------------+---------+
| events_stages_current | YES | <-------- all active
| events_stages_history | YES | <-------- all active
| events_stages_history_long | YES | <-------- all active
| events_statements_current | YES |
| events_statements_history | YES |
| events_statements_history_long | YES |
| events_transactions_current | YES |
| events_transactions_history | NO |
| events_transactions_history_long | NO |
| events_waits_current | NO |
| events_waits_history | NO |
| events_waits_history_long | NO |
| global_instrumentation | YES |
| thread_instrumentation | YES |
| statements_digest | YES |
+----------------------------------+---------+
How to replicate
1) Enable the instruments for tmp table
2) run an alter like alter table test.tbtest_child1 engine=myisam;
3) Check information in current and history table
