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|
CREATE TABLE t1(id INT NOT NULL);
##########################################
# Shutdown
##########################################
##########################################
# Restart
##########################################
##########################################
# Run plugin
##########################################
INSTALL PLUGIN test_session_info SONAME 'TEST_SESSION_INFO';
##########################################
# Stop plugin
##########################################
UNINSTALL PLUGIN test_session_info;
##########################################
# Plugin log
##########################################
============================================================================================
Test in a server thread
Opening Session 1
Opening Session 2
============================================================================================
Session 1 : srv_session_info_get_thd and srv_session_info_get_session_id
============================================================================================
Thread handler id IS equal to session id returned by srv_session_info_get_session_id(Session_1)
============================================================================================
Session 2 : srv_session_info_get_thd and srv_session_info_get_session_id
============================================================================================
Thread handler id IS equal to session id returned by srv_session_info_get_session_id(Session_2)
SELECT name,type,processlist_id,processlist_user,processlist_host,processlist_db,processlist_command,processlist_state,processlist_info,`role`,instrumented,history,connection_type FROM performance_schema.threads WHERE processlist_id = 9
name type processlist_id processlist_user processlist_host processlist_db processlist_command processlist_state processlist_info role instrumented history connection_type
thread/sql/one_connection FOREGROUND 9 root localhost test Query executing SELECT name,type,processlist_id,processlist_user,processlist_host,processlist_db,processlist_command,processlist_state,processlist_info,`role`,instrumented,history,connection_type FROM performance_schema.threads WHERE processlist_id = 9 [NULL] YES YES Plugin
num_cols : 13
nb rows : 1
affected rows : 0
server status : 2
warn count : 0
SELECT name,type,processlist_id,processlist_user,processlist_host,processlist_db,processlist_command,processlist_state,processlist_info,`role`,instrumented,history,connection_type FROM performance_schema.threads WHERE processlist_id = 10
name type processlist_id processlist_user processlist_host processlist_db processlist_command processlist_state processlist_info role instrumented history connection_type
thread/sql/one_connection FOREGROUND 10 root localhost test Query executing SELECT name,type,processlist_id,processlist_user,processlist_host,processlist_db,processlist_command,processlist_state,processlist_info,`role`,instrumented,history,connection_type FROM performance_schema.threads WHERE processlist_id = 10 [NULL] YES YES Plugin
num_cols : 13
nb rows : 1
affected rows : 0
server status : 2
warn count : 0
============================================================================================
Session 1 : srv_session_info_get_current_db
============================================================================================
/*Session_1*/ SHOW TABLES LIKE '%slave%'
error : 1046
error msg : No database selected
current_db before init_db : (null)
current_db after init_db : mysql
/*Session_1*/ SHOW TABLES LIKE '%slave%'
Tables_in_mysql (%slave%)
slave_master_info
slave_relay_log_info
slave_worker_info
num_cols : 1
nb rows : 3
affected rows : 0
server status : 2
warn count : 0
/*Session_1*/ USE information_schema
affected rows : 0
server status : 2
warn count : 0
current_db after 'USE db_name' command : information_schema
current_db before init_db : information_schema
current_db after init_db : test
/*Session_1*/ SHOW TABLES
Tables_in_test
t1
num_cols : 1
nb rows : 1
affected rows : 0
server status : 2
warn count : 0
============================================================================================
Session 2 : srv_session_info_get_current_db
============================================================================================
/*Session_2*/ SHOW TABLES LIKE '%slave%'
error : 1046
error msg : No database selected
current_db before init_db : (null)
current_db after init_db : mysql
Session 2's view
/*Session_2*/ SHOW TABLES LIKE '%slave%'
Tables_in_mysql (%slave%)
slave_master_info
slave_relay_log_info
slave_worker_info
num_cols : 1
nb rows : 3
affected rows : 0
server status : 2
warn count : 0
Session 2's view
/*Session_2*/ USE information_schema
affected rows : 0
server status : 2
warn count : 0
current_db after 'USE db_name' command : information_schema
current_db before init_db : information_schema
current_db after init_db : test
Session 2's view
/*Session_2*/ SHOW TABLES
Tables_in_test
t1
num_cols : 1
nb rows : 1
affected rows : 0
server status : 2
warn count : 0
============================================================================================
Session 1 : srv_session_info_set/get_client_port
============================================================================================
Port before srv_session_info_set_client_port : 0
Port after srv_session_info_set_client_port : 100
Session 1's view
/*Session_1*/ SELECT host FROM INFORMATION_SCHEMA.PROCESSLIST WHERE info LIKE 'PLUGIN%' ORDER BY id
host
localhost:100
localhost
num_cols : 1
nb rows : 2
affected rows : 0
server status : 34
warn count : 1
Session 2's view
/*Session_2*/ SELECT host FROM INFORMATION_SCHEMA.PROCESSLIST WHERE info LIKE 'PLUGIN%' ORDER BY id
host
localhost:100
localhost
num_cols : 1
nb rows : 2
affected rows : 0
server status : 34
warn count : 1
============================================================================================
Session 2 : srv_session_info_set/get_client_port
============================================================================================
Port before srv_session_info_set_client_port : 0
Port after srv_session_info_set_client_port : 200
Session 1's view
/*Session_1*/ SELECT host FROM INFORMATION_SCHEMA.PROCESSLIST WHERE info LIKE 'PLUGIN%' ORDER BY id
host
localhost:100
localhost:200
num_cols : 1
nb rows : 2
affected rows : 0
server status : 34
warn count : 1
Session 2's view
/*Session_2*/ SELECT host FROM INFORMATION_SCHEMA.PROCESSLIST WHERE info LIKE 'PLUGIN%' ORDER BY id
host
localhost:100
localhost:200
num_cols : 1
nb rows : 2
affected rows : 0
server status : 34
warn count : 1
============================================================================================
Session 1 : srv_session_info_set_connection_type
============================================================================================
Session 1's view
SELECT CONNECTION_TYPE, CONNECTION_TYPE IS NULL FROM performance_schema.threads WHERE PROCESSLIST_ID = 9 /*session_1_id*/
CONNECTION_TYPE CONNECTION_TYPE IS NULL
Plugin 0
num_cols : 2
nb rows : 1
affected rows : 0
server status : 2
warn count : 0
Setting NO_VIO_TYPE on session_1
Session 1's view
SELECT CONNECTION_TYPE FROM performance_schema.threads WHERE PROCESSLIST_ID = 9 /*session_1_id*/
CONNECTION_TYPE
Plugin
num_cols : 1
nb rows : 1
affected rows : 0
server status : 2
warn count : 0
Setting VIO_TYPE_TCPIP on session_1
Session 1's view
SELECT CONNECTION_TYPE FROM performance_schema.threads WHERE PROCESSLIST_ID = 9 /*session_1_id*/
CONNECTION_TYPE
TCP/IP
num_cols : 1
nb rows : 1
affected rows : 0
server status : 2
warn count : 0
Setting VIO_TYPE_NAMEDPIPE on session_1
Session 1's view
SELECT CONNECTION_TYPE FROM performance_schema.threads WHERE PROCESSLIST_ID = 9 /*session_1_id*/
CONNECTION_TYPE
Named Pipe
num_cols : 1
nb rows : 1
affected rows : 0
server status : 2
warn count : 0
============================================================================================
Session 2 : srv_session_info_set_connection_type
============================================================================================
Session 2's view
SELECT CONNECTION_TYPE FROM performance_schema.threads WHERE PROCESSLIST_ID = 10 /*session_2_id*/
CONNECTION_TYPE
Plugin
num_cols : 1
nb rows : 1
affected rows : 0
server status : 2
warn count : 0
Setting VIO_TYPE_SSL on session_2
Setting VIO_TYPE_TCPIP on session_1
Session 2's view
SELECT CONNECTION_TYPE FROM performance_schema.threads WHERE PROCESSLIST_ID = 10 /*session_2_id*/
CONNECTION_TYPE
SSL/TLS
num_cols : 1
nb rows : 1
affected rows : 0
server status : 2
warn count : 0
Session 2's view
SELECT CONNECTION_TYPE FROM performance_schema.threads WHERE PROCESSLIST_ID = 10 /*session_2_id*/
CONNECTION_TYPE
Shared Memory
num_cols : 1
nb rows : 1
affected rows : 0
server status : 2
warn count : 0
============================================================================================
BEFORE kill of Session 1
============================================================================================
SELECT ID, USER, HOST, DB, COMMAND, INFO FROM INFORMATION_SCHEMA.PROCESSLIST WHERE info LIKE 'PLUGIN%' ORDER BY id
ID USER HOST DB COMMAND INFO
9 root localhost:100 test Query PLUGIN: SELECT ID, USER, HOST, DB, COMMAND, INFO FROM INFORMATION_SCHEMA.PROCESSLIST WHERE info LIKE 'PLUGIN%' ORDER BY id
10 root localhost:200 test Sleep PLUGIN
num_cols : 6
nb rows : 2
affected rows : 0
server status : 34
warn count : 1
============================================================================================
srv_session_info_killed(Session_1) : 0
srv_session_info_killed(Session_2) : 0
============================================================================================
Killing Session 1
KILL CONNECTION 9 /*session_1_id*/
affected rows : 0
server status : 2
warn count : 0
============================================================================================
AFTER kill of Session 1
============================================================================================
SELECT ID, USER, HOST, DB, COMMAND, INFO FROM INFORMATION_SCHEMA.PROCESSLIST WHERE info LIKE 'PLUGIN%' ORDER BY id
============================================================================================
srv_session_info_killed(Session 1) : 1
srv_session_info_killed(Session 2) : 0
============================================================================================
Closing Session 1
Closing Session 1 failed as expected. It was already closed by EXEC_TEST_CMD
============================================================================================
Get/Set session info with closed session(Session 1)
============================================================================================
srv_session_info_get_thd : 0
srv_session_info_get_session_id : 0
srv_session_info_set_client_port : 1
srv_session_info_get_client_port : 0
srv_session_info_get_current_db : (null)
srv_session_info_set_connection_type : 1
============================================================================================
SELECT ID, USER, HOST, DB, COMMAND, INFO FROM INFORMATION_SCHEMA.PROCESSLIST WHERE info LIKE 'PLUGIN%' ORDER BY id
============================================================================================
Perform KILL QUERY and suicide (KILL CONNECTION) on Session 2
============================================================================================
KILL QUERY 10 /*session_2_id*/
srv_session_info_killed(Session 2) : 0
KILL CONNECTION 10 /*session_2_id*/
srv_session_info_killed(Session 2) : 1
============================================================================================
Get/Set session info with killed session(Session 2)
============================================================================================
srv_session_info_get_thd : 1
srv_session_info_get_session_id : 10
srv_session_info_set_client_port : 0
srv_session_info_get_client_port : 11111
srv_session_info_get_current_db : test
srv_session_info_set_connection_type : 0
============================================================================================
Session 2 got killed but not closed, thus it will appear in the processlist as Killed
============================================================================================
/*Session 3*/SELECT ID, USER, HOST, DB, COMMAND, INFO FROM INFORMATION_SCHEMA.PROCESSLIST WHERE info LIKE 'PLUGIN%' ORDER BY id
ID USER HOST DB COMMAND INFO
10 root localhost:11111 test Killed PLUGIN
11 root localhost [NULL] Query PLUGIN: /*Session 3*/SELECT ID, USER, HOST, DB, COMMAND, INFO FROM INFORMATION_SCHEMA.PROCESSLIST WHERE info LIKE 'PLUGIN%' ORDER BY id
num_cols : 6
nb rows : 2
affected rows : 0
server status : 34
warn count : 1
Closing Session 2
Closing Session 3
Follows threaded run
============================================================================================
init thread
Opening Session 1
Opening Session 2
============================================================================================
Session 1 : srv_session_info_get_thd and srv_session_info_get_session_id
============================================================================================
Thread handler id IS equal to session id returned by srv_session_info_get_session_id(Session_1)
============================================================================================
Session 2 : srv_session_info_get_thd and srv_session_info_get_session_id
============================================================================================
Thread handler id IS equal to session id returned by srv_session_info_get_session_id(Session_2)
SELECT name,type,processlist_id,processlist_user,processlist_host,processlist_db,processlist_command,processlist_state,processlist_info,`role`,instrumented,history,connection_type FROM performance_schema.threads WHERE processlist_id = 12
name type processlist_id processlist_user processlist_host processlist_db processlist_command processlist_state processlist_info role instrumented history connection_type
thread/test_service_sql/session_info FOREGROUND 12 root localhost [NULL] Query executing SELECT name,type,processlist_id,processlist_user,processlist_host,processlist_db,processlist_command,processlist_state,processlist_info,`role`,instrumented,history,connection_type FROM performance_schema.threads WHERE processlist_id = 12 [NULL] YES YES Plugin
num_cols : 13
nb rows : 1
affected rows : 0
server status : 2
warn count : 0
SELECT name,type,processlist_id,processlist_user,processlist_host,processlist_db,processlist_command,processlist_state,processlist_info,`role`,instrumented,history,connection_type FROM performance_schema.threads WHERE processlist_id = 13
name type processlist_id processlist_user processlist_host processlist_db processlist_command processlist_state processlist_info role instrumented history connection_type
thread/test_service_sql/session_info FOREGROUND 13 root localhost [NULL] Query executing SELECT name,type,processlist_id,processlist_user,processlist_host,processlist_db,processlist_command,processlist_state,processlist_info,`role`,instrumented,history,connection_type FROM performance_schema.threads WHERE processlist_id = 13 [NULL] YES YES Plugin
num_cols : 13
nb rows : 1
affected rows : 0
server status : 2
warn count : 0
============================================================================================
Session 1 : srv_session_info_get_current_db
============================================================================================
/*Session_1*/ SHOW TABLES LIKE '%slave%'
error : 1046
error msg : No database selected
current_db before init_db : (null)
current_db after init_db : mysql
/*Session_1*/ SHOW TABLES LIKE '%slave%'
Tables_in_mysql (%slave%)
slave_master_info
slave_relay_log_info
slave_worker_info
num_cols : 1
nb rows : 3
affected rows : 0
server status : 2
warn count : 0
/*Session_1*/ USE information_schema
affected rows : 0
server status : 2
warn count : 0
current_db after 'USE db_name' command : information_schema
current_db before init_db : information_schema
current_db after init_db : test
/*Session_1*/ SHOW TABLES
Tables_in_test
t1
num_cols : 1
nb rows : 1
affected rows : 0
server status : 2
warn count : 0
============================================================================================
Session 2 : srv_session_info_get_current_db
============================================================================================
/*Session_2*/ SHOW TABLES LIKE '%slave%'
error : 1046
error msg : No database selected
current_db before init_db : (null)
current_db after init_db : mysql
Session 2's view
/*Session_2*/ SHOW TABLES LIKE '%slave%'
Tables_in_mysql (%slave%)
slave_master_info
slave_relay_log_info
slave_worker_info
num_cols : 1
nb rows : 3
affected rows : 0
server status : 2
warn count : 0
Session 2's view
/*Session_2*/ USE information_schema
affected rows : 0
server status : 2
warn count : 0
current_db after 'USE db_name' command : information_schema
current_db before init_db : information_schema
current_db after init_db : test
Session 2's view
/*Session_2*/ SHOW TABLES
Tables_in_test
t1
num_cols : 1
nb rows : 1
affected rows : 0
server status : 2
warn count : 0
============================================================================================
Session 1 : srv_session_info_set/get_client_port
============================================================================================
Port before srv_session_info_set_client_port : 0
Port after srv_session_info_set_client_port : 100
Session 1's view
/*Session_1*/ SELECT host FROM INFORMATION_SCHEMA.PROCESSLIST WHERE info LIKE 'PLUGIN%' ORDER BY id
host
localhost:100
localhost
num_cols : 1
nb rows : 2
affected rows : 0
server status : 34
warn count : 1
Session 2's view
/*Session_2*/ SELECT host FROM INFORMATION_SCHEMA.PROCESSLIST WHERE info LIKE 'PLUGIN%' ORDER BY id
host
localhost:100
localhost
num_cols : 1
nb rows : 2
affected rows : 0
server status : 34
warn count : 1
============================================================================================
Session 2 : srv_session_info_set/get_client_port
============================================================================================
Port before srv_session_info_set_client_port : 0
Port after srv_session_info_set_client_port : 200
Session 1's view
/*Session_1*/ SELECT host FROM INFORMATION_SCHEMA.PROCESSLIST WHERE info LIKE 'PLUGIN%' ORDER BY id
host
localhost:100
localhost:200
num_cols : 1
nb rows : 2
affected rows : 0
server status : 34
warn count : 1
Session 2's view
/*Session_2*/ SELECT host FROM INFORMATION_SCHEMA.PROCESSLIST WHERE info LIKE 'PLUGIN%' ORDER BY id
host
localhost:100
localhost:200
num_cols : 1
nb rows : 2
affected rows : 0
server status : 34
warn count : 1
============================================================================================
Session 1 : srv_session_info_set_connection_type
============================================================================================
Session 1's view
SELECT CONNECTION_TYPE, CONNECTION_TYPE IS NULL FROM performance_schema.threads WHERE PROCESSLIST_ID = 12 /*session_1_id*/
CONNECTION_TYPE CONNECTION_TYPE IS NULL
Plugin 0
num_cols : 2
nb rows : 1
affected rows : 0
server status : 2
warn count : 0
Setting NO_VIO_TYPE on session_1
Session 1's view
SELECT CONNECTION_TYPE FROM performance_schema.threads WHERE PROCESSLIST_ID = 12 /*session_1_id*/
CONNECTION_TYPE
Plugin
num_cols : 1
nb rows : 1
affected rows : 0
server status : 2
warn count : 0
Setting VIO_TYPE_TCPIP on session_1
Session 1's view
SELECT CONNECTION_TYPE FROM performance_schema.threads WHERE PROCESSLIST_ID = 12 /*session_1_id*/
CONNECTION_TYPE
TCP/IP
num_cols : 1
nb rows : 1
affected rows : 0
server status : 2
warn count : 0
Setting VIO_TYPE_NAMEDPIPE on session_1
Session 1's view
SELECT CONNECTION_TYPE FROM performance_schema.threads WHERE PROCESSLIST_ID = 12 /*session_1_id*/
CONNECTION_TYPE
Named Pipe
num_cols : 1
nb rows : 1
affected rows : 0
server status : 2
warn count : 0
============================================================================================
Session 2 : srv_session_info_set_connection_type
============================================================================================
Session 2's view
SELECT CONNECTION_TYPE FROM performance_schema.threads WHERE PROCESSLIST_ID = 13 /*session_2_id*/
CONNECTION_TYPE
Plugin
num_cols : 1
nb rows : 1
affected rows : 0
server status : 2
warn count : 0
Setting VIO_TYPE_SSL on session_2
Setting VIO_TYPE_TCPIP on session_1
Session 2's view
SELECT CONNECTION_TYPE FROM performance_schema.threads WHERE PROCESSLIST_ID = 13 /*session_2_id*/
CONNECTION_TYPE
SSL/TLS
num_cols : 1
nb rows : 1
affected rows : 0
server status : 2
warn count : 0
Session 2's view
SELECT CONNECTION_TYPE FROM performance_schema.threads WHERE PROCESSLIST_ID = 13 /*session_2_id*/
CONNECTION_TYPE
Shared Memory
num_cols : 1
nb rows : 1
affected rows : 0
server status : 2
warn count : 0
============================================================================================
BEFORE kill of Session 1
============================================================================================
SELECT ID, USER, HOST, DB, COMMAND, INFO FROM INFORMATION_SCHEMA.PROCESSLIST WHERE info LIKE 'PLUGIN%' ORDER BY id
ID USER HOST DB COMMAND INFO
12 root localhost:100 test Query PLUGIN: SELECT ID, USER, HOST, DB, COMMAND, INFO FROM INFORMATION_SCHEMA.PROCESSLIST WHERE info LIKE 'PLUGIN%' ORDER BY id
13 root localhost:200 test Sleep PLUGIN
num_cols : 6
nb rows : 2
affected rows : 0
server status : 34
warn count : 1
============================================================================================
srv_session_info_killed(Session_1) : 0
srv_session_info_killed(Session_2) : 0
============================================================================================
Killing Session 1
KILL CONNECTION 12 /*session_1_id*/
affected rows : 0
server status : 2
warn count : 0
============================================================================================
AFTER kill of Session 1
============================================================================================
SELECT ID, USER, HOST, DB, COMMAND, INFO FROM INFORMATION_SCHEMA.PROCESSLIST WHERE info LIKE 'PLUGIN%' ORDER BY id
============================================================================================
srv_session_info_killed(Session 1) : 1
srv_session_info_killed(Session 2) : 0
============================================================================================
Closing Session 1
Closing Session 1 failed as expected. It was already closed by EXEC_TEST_CMD
============================================================================================
Get/Set session info with closed session(Session 1)
============================================================================================
srv_session_info_get_thd : 0
srv_session_info_get_session_id : 0
srv_session_info_set_client_port : 1
srv_session_info_get_client_port : 0
srv_session_info_get_current_db : (null)
srv_session_info_set_connection_type : 1
============================================================================================
SELECT ID, USER, HOST, DB, COMMAND, INFO FROM INFORMATION_SCHEMA.PROCESSLIST WHERE info LIKE 'PLUGIN%' ORDER BY id
============================================================================================
Perform KILL QUERY and suicide (KILL CONNECTION) on Session 2
============================================================================================
KILL QUERY 13 /*session_2_id*/
srv_session_info_killed(Session 2) : 0
KILL CONNECTION 13 /*session_2_id*/
srv_session_info_killed(Session 2) : 1
============================================================================================
Get/Set session info with killed session(Session 2)
============================================================================================
srv_session_info_get_thd : 1
srv_session_info_get_session_id : 13
srv_session_info_set_client_port : 0
srv_session_info_get_client_port : 11111
srv_session_info_get_current_db : test
srv_session_info_set_connection_type : 0
============================================================================================
Session 2 got killed but not closed, thus it will appear in the processlist as Killed
============================================================================================
/*Session 3*/SELECT ID, USER, HOST, DB, COMMAND, INFO FROM INFORMATION_SCHEMA.PROCESSLIST WHERE info LIKE 'PLUGIN%' ORDER BY id
ID USER HOST DB COMMAND INFO
13 root localhost:11111 test Killed PLUGIN
14 root localhost [NULL] Query PLUGIN: /*Session 3*/SELECT ID, USER, HOST, DB, COMMAND, INFO FROM INFORMATION_SCHEMA.PROCESSLIST WHERE info LIKE 'PLUGIN%' ORDER BY id
num_cols : 6
nb rows : 2
affected rows : 0
server status : 34
warn count : 1
Closing Session 2
Closing Session 3
deinit thread
##########################################
# Cleanup
##########################################
DROP TABLE t1;
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