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TABLE: "host_cache"
INDEXES: PK (IP), KEY (HOST)
===== SETUP =====
## Connection Default
## Disable events from the default connection
## Create user1, user2, user3
CREATE USER user1@localhost;
CREATE USER user2@localhost;
CREATE USER user3@localhost;
GRANT ALL ON *.* to 'user1'@localhost;
GRANT ALL ON *.* to 'user2'@localhost;
GRANT ALL ON *.* to 'user3'@localhost;
## Setup test connection 1
## Setup test connection 2
## Setup test connection 3
## Default connection
## Create data tables
CREATE TABLE test.t1(a INT, b INT, c INT, d INT DEFAULT 0, PRIMARY KEY(a), INDEX index_b(b), INDEX index_cb(c, b));
CREATE TABLE test.t2 LIKE test.t1;
CREATE TABLE test.t3 LIKE test.t1;
## Generate event data from 3 connections
## Connection 1
## Connection 2
## Connection 3
## Connection 2
## Create prepared statements on connection 2
PREPARE st1 FROM 'SELECT SQRT(POW(?,2) + POW(?,2)) AS hypotenuse';
PREPARE st3 FROM 'INSERT INTO test.t1 SELECT * FROM test.t1 WHERE a<=?';
PREPARE st4 FROM '(SELECT a FROM test.t1) UNION (SELECT a+10 FROM test.t1) ORDER BY RAND()*0+a';
## Create stored procedure connection 2
CREATE PROCEDURE SampleProc1()
BEGIN
SET @table = 'test.t1';
SET @s = CONCAT('SELECT * FROM ', @table);
PREPARE st2 FROM @s;
END|
Call SampleProc1() to prepare a statement
CALL SampleProc1();
## Connection default
## Use Connection 2 for default target thread id
## Create index_test() procedure
call mtr.add_suppression("192.0.2.4");
flush status;
TRUNCATE TABLE performance_schema.host_cache;
flush user_resources;
flush privileges;
select @@global.debug;
@@global.debug
select @@global.max_connect_errors;
@@global.max_connect_errors
100
select @@global.max_user_connections;
@@global.max_user_connections
0
select @@global.max_connections;
@@global.max_connections
151
select `User`, `Host` from mysql.`user` where `host` like '%\\%%';
User Host
select `User`, `Host` from mysql.`user` where `user` like '192.%';
User Host
select `User`, `Host` from mysql.`user` where `user` like '2001:%';
User Host
select `User`, `Host` from mysql.`user` where `user` like 'santa.claus.%';
User Host
CREATE USER 'user4'@'santa.claus.ipv4.example.com';
GRANT SELECT ON test.* TO 'user4'@'santa.claus.ipv4.example.com';
SET global debug= "+d,vio_peer_addr_fake_ipv4,getnameinfo_fake_ipv4,getaddrinfo_fake_good_ipv4";
SELECT "Con4 is alive" AS "";
Con4 is alive
SELECT current_user() AS "";
user4@santa.claus.ipv4.example.com
"Dumping performance_schema.host_cache"
IP 192.0.2.4
HOST santa.claus.ipv4.example.com
HOST_VALIDATED YES
SUM_CONNECT_ERRORS 0
COUNT_HOST_BLOCKED_ERRORS 0
COUNT_NAMEINFO_TRANSIENT_ERRORS 0
COUNT_NAMEINFO_PERMANENT_ERRORS 0
COUNT_FORMAT_ERRORS 0
COUNT_ADDRINFO_TRANSIENT_ERRORS 0
COUNT_ADDRINFO_PERMANENT_ERRORS 0
COUNT_FCRDNS_ERRORS 0
COUNT_HOST_ACL_ERRORS 0
COUNT_NO_AUTH_PLUGIN_ERRORS 0
COUNT_AUTH_PLUGIN_ERRORS 0
COUNT_HANDSHAKE_ERRORS 0
COUNT_PROXY_USER_ERRORS 0
COUNT_PROXY_USER_ACL_ERRORS 0
COUNT_AUTHENTICATION_ERRORS 0
COUNT_SSL_ERRORS 0
COUNT_MAX_USER_CONNECTIONS_ERRORS 0
COUNT_MAX_USER_CONNECTIONS_PER_HOUR_ERRORS 0
COUNT_DEFAULT_DATABASE_ERRORS 0
COUNT_INIT_CONNECT_ERRORS 0
COUNT_LOCAL_ERRORS 0
COUNT_UNKNOWN_ERRORS 0
FIRST_ERROR_SEEN null
LAST_ERROR_SEEN null
SET global debug= default;
## Test IP
SET @pfs_columns = "IP, HOST";
===== BEGIN TEST =====
========
SELECT IP, HOST FROM performance_schema.host_cache WHERE IP is null
OK: Handler_read_key
OK: Result set: Empty Expected: Empty
OK: Extra rows: 0 Missing rows: 0
========
SELECT IP, HOST FROM performance_schema.host_cache WHERE IP is not null
OK: Handler_read_key
OK: Result set: Non-empty Expected: Non-empty
OK: Extra rows: 0 Missing rows: 0
========
SELECT IP, HOST FROM performance_schema.host_cache WHERE IP = '192.0.2.4'
OK: Handler_read_key
OK: Result set: Non-empty Expected: Non-empty
OK: Extra rows: 0 Missing rows: 0
========
SELECT IP, HOST FROM performance_schema.host_cache WHERE IP = 'impossible'
OK: Handler_read_key
OK: Result set: Empty Expected: Empty
OK: Extra rows: 0 Missing rows: 0
## Test HOST
SET @pfs_columns = "IP, HOST";
===== BEGIN TEST =====
========
SELECT IP, HOST FROM performance_schema.host_cache WHERE host = 'santa.claus.ipv4.example.com'
OK: Handler_read_key
OK: Result set: Non-empty Expected: Non-empty
OK: Extra rows: 0 Missing rows: 0
========
SELECT IP, HOST FROM performance_schema.host_cache WHERE host IS NULL
OK: Handler_read_key
OK: Result set: Empty Expected: Empty
OK: Extra rows: 0 Missing rows: 0
========
SELECT IP, HOST FROM performance_schema.host_cache WHERE host IS NOT NULL
OK: Handler_read_key
OK: Result set: Non-empty Expected: Non-empty
OK: Extra rows: 0 Missing rows: 0
========
SELECT IP, HOST FROM performance_schema.host_cache WHERE host = 'nohost'
OK: Handler_read_key
OK: Result set: Empty Expected: Empty
OK: Extra rows: 0 Missing rows: 0
===== CLEAN UP =====
## Default connection
DEALLOCATE PREPARE st1;
DEALLOCATE PREPARE st2;
DEALLOCATE PREPARE st3;
DEALLOCATE PREPARE st4;
DROP PROCEDURE SampleProc1;
DROP PROCEDURE index_test;
DROP TABLE IF EXISTS test.indexes_off;
DROP TABLE IF EXISTS test.indexes_on;
DROP TABLE test.t1;
DROP TABLE test.t2;
DROP TABLE test.t3;
REVOKE ALL PRIVILEGES, GRANT OPTION FROM user1@localhost;
REVOKE ALL PRIVILEGES, GRANT OPTION FROM user2@localhost;
REVOKE ALL PRIVILEGES, GRANT OPTION FROM user3@localhost;
DROP USER user1@localhost;
DROP USER user2@localhost;
DROP USER user3@localhost;
UPDATE performance_schema.threads SET INSTRUMENTED = 'YES';
REVOKE SELECT ON test.* FROM 'user4'@'santa.claus.ipv4.example.com';
DROP USER 'user4'@'santa.claus.ipv4.example.com';
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