show processlist 輸出ID 和 information_schema.PROCESSLIST 的id,information_schema.innodb_trx的TRX_MYSQL_T

Session 1:

mysql> start transaction;
Query OK, 0 rows affected (0.00 sec)

mysql> update ClientActionTrack20151125 set ip='2.2.2.2';


Warning: Using a password on the command line interface can be insecure.
+-----+------+-----------+------+---------+------+----------+---------------------------------------------------+
| Id  | User | Host      | db   | Command | Time | State    | Info                                              |
+-----+------+-----------+------+---------+------+----------+---------------------------------------------------+
| 447 | root | localhost | zjzc | Query   |    5 | updating | update ClientActionTrack20151125 set ip='2.2.2.2' |



2016-11-25 17:40:26,39,447,root,localhost,zjzc
 mysql[192.168.11.187]  processid[447] root@localhost in db[zjzc] hold  transaction time 39 
 
 mysql> select * from information_schema.innodb_trx\G;
*************************** 1. row ***************************
                    trx_id: 112075119
                 trx_state: RUNNING
               trx_started: 2016-11-25 17:39:47
     trx_requested_lock_id: NULL
          trx_wait_started: NULL
                trx_weight: 6115055
       trx_mysql_thread_id: 447
	   
my $hostSql = qq{SELECT 
    NOW(),  (UNIX_TIMESTAMP(NOW()) - UNIX_TIMESTAMP(a.trx_started)) diff_sec,
    b.id,
    b.user,
    b.host,
    b.db
FROM
    information_schema.innodb_trx a
        INNER JOIN
    information_schema.PROCESSLIST b ON a.TRX_MYSQL_THREAD_ID = b.id};
	
	
show processlist 看到的ID 447 就是 a.TRX_MYSQL_THREAD_ID = b.id



開啓session 2:

Database changed
mysql> update ClientActionTrack20151125 set ip='9.9.9.9';

Vsftp:/root#  mysql -uroot -p1234567 -e"show processlist"
Warning: Using a password on the command line interface can be insecure.
+-----+------+----------------------+--------------------+---------+------+----------+---------------------------------------------------+
| Id  | User | Host                 | db                 | Command | Time | State    | Info                                              |
+-----+------+----------------------+--------------------+---------+------+----------+---------------------------------------------------+
| 447 | root | localhost            | zjzc               | Query   |  197 | updating | update ClientActionTrack20151125 set ip='2.2.2.2' |
| 454 | root | localhost            | zjzc               | Query   |    3 | updating | update ClientActionTrack20151125 set ip='9.9.9.9' |
| 457 | root | 192.168.11.186:47208 | information_schema | Sleep   |    1 |          | NULL                                              |
| 458 | root | localhost            | NULL               | Query   |    0 | init     | show processlist                                  |
+-----+------+----------------------+--------------------+---------+------+----------+---------------------------------------------------+


2016-11-25 17:43:39,232,447,root,localhost,zjzc
 mysql[192.168.11.187]  processid[447] root@localhost in db[zjzc] hold  transaction time 232 
2016-11-25 17:43:39,38,454,root,localhost,zjzc
 mysql[192.168.11.187]  processid[454] root@localhost in db[zjzc] hold  transaction time 38 
112075120,454,update ClientActionTrack20151125 set ip='9.9.9.9',112075119,447,update ClientActionTrack20151125 set ip='2.2.2.2'
 mysql[192.168.11.187]   blocking_thread[447] blocking_query[update ClientActionTrack20151125 set ip='2.2.2.2']  blocking waiting_thread[454]'s update ClientActionTrack20151125 set ip='9.9.9.9'
 
 取的是 information_schema.innodb_trx:
   r.trx_mysql_thread_id waiting_thread,
   
    b.trx_mysql_thread_id blocking_thread,
 
 mysql> select * from information_schema.innodb_trx\G;
*************************** 1. row ***************************
                    trx_id: 112075121
                 trx_state: LOCK WAIT
               trx_started: 2016-11-25 17:45:27
     trx_requested_lock_id: 112075121:442:4:149
          trx_wait_started: 2016-11-25 17:45:27
                trx_weight: 2
       trx_mysql_thread_id: 454
                 trx_query: update ClientActionTrack20151125 set ip='9.9.9.9'
       trx_operation_state: starting index read
         trx_tables_in_use: 1
         trx_tables_locked: 1
          trx_lock_structs: 2
     trx_lock_memory_bytes: 360
           trx_rows_locked: 1
         trx_rows_modified: 0
   trx_concurrency_tickets: 0
       trx_isolation_level: REPEATABLE READ
         trx_unique_checks: 1
    trx_foreign_key_checks: 1
trx_last_foreign_key_error: NULL
 trx_adaptive_hash_latched: 0
 trx_adaptive_hash_timeout: 10000
          trx_is_read_only: 0
trx_autocommit_non_locking: 0
*************************** 2. row ***************************
                    trx_id: 112075119
                 trx_state: RUNNING
               trx_started: 2016-11-25 17:39:47
     trx_requested_lock_id: NULL
          trx_wait_started: NULL
                trx_weight: 19816885
       trx_mysql_thread_id: 447
                 trx_query: update ClientActionTrack20151125 set ip='2.2.2.2'
       trx_operation_state: updating or deleting
         trx_tables_in_use: 1
         trx_tables_locked: 1
          trx_lock_structs: 638128
     trx_lock_memory_bytes: 56555048
           trx_rows_locked: 19816884
         trx_rows_modified: 19178758
   trx_concurrency_tickets: 0
       trx_isolation_level: REPEATABLE READ
         trx_unique_checks: 1
    trx_foreign_key_checks: 1
trx_last_foreign_key_error: NULL
 trx_adaptive_hash_latched: 0
 trx_adaptive_hash_timeout: 10000
          trx_is_read_only: 0
trx_autocommit_non_locking: 0
2 rows in set (0.13 sec)

ERROR: 
No query specified