2017-12-08 12:23:04 +02:00

73 lines
2.8 KiB
C++

/**
* @file bug729.cpp regression case for bug 729 ("PDO prepared statements bug introduced")
*
* - execute following PHP script
* @verbatim
<?php
$options = [
PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION,
PDO::ATTR_EMULATE_PREPARES => false,
];
$host=$argv[1];
$port=$argv[2];
$user=$argv[3];
$pass=$argv[4];
$dsn = "mysql:host=".$host.";port=".$port.";dbname=information_schema";
$dbh = new PDO( $dsn, $user, $pass, $options );
$res = $dbh
->query( "SELECT COLLATION_NAME FROM COLLATIONS" )
->fetch( PDO::FETCH_COLUMN );
var_dump( $res );
@endverbatim
* - check log for "Can't route MYSQL_COM_STMT_PREPARE"
*/
/*
Description Andreas K-Hansen 2015-02-12 19:32:13 UTC
The error occurred when upgrading from Maxscale 1.0.4 to 1.0.5.
The following exception occurs when trying to execute a query with prepared statements enabled:
PHP Fatal error: Uncaught exception 'PDOException' with message 'SQLSTATE[42000]: Syntax error or access violation: 1064 Routing query to backend failed. See the error log for further details.' in /root/test.php:10
Stack trace:
#0 /root/test.php(10): PDO->query('SELECT COLLATIO...')
#1 {main}
thrown in /root/test.php on line 10
- Error log
Feb 12 19:14:01 363d6aec0f8c MaxScale[263]: Error: Failed to obtain address for host ::1, Address family for hostname not supported
Feb 12 19:14:01 363d6aec0f8c MaxScale[263]: Warning: Failed to add user root@::1 for service [RW Split Router]. This user will be unavailable via MaxScale.
Feb 12 19:14:01 363d6aec0f8c MaxScale[263]: Warning: Failed to add user root@127.0.0.1 for service [RW Split Router]. This user will be unavailable via MaxScale.
Feb 12 19:14:10 363d6aec0f8c MaxScale[263]: Warning : The query can't be routed to all backend servers because it includes SELECT and SQL variable modifications which is not supported. Set use_sql_variables_in=master or split the query to two, where SQL variable modifications are done in the first and the SELECT in the second one.
Feb 12 19:14:10 363d6aec0f8c MaxScale[263]: Error : Can't route MYSQL_COM_STMT_PREPARE:QUERY_TYPE_READ|QUERY_TYPE_PREPARE_STMT:"MYSQL_COM_STMT_PREPARE". SELECT with session data modification is not supported if configuration parameter use_sql_variables_in=all .
*/
#include <iostream>
#include "testconnections.h"
int main(int argc, char *argv[])
{
TestConnections * Test = new TestConnections(argc, argv);
Test->set_timeout(30);
char str[1024];
sprintf(str, "php %s/bug729.php %s %d %s %s", test_dir, Test->maxscales->IP[0], Test->maxscales->rwsplit_port[0],
Test->maxscales->user_name, Test->maxscales->password);
Test->tprintf("Executing PHP script: %s\n", str);
Test->add_result(system(str), "PHP script FAILED!\n");
Test->check_log_err(0, (char *) "Can't route MYSQL_COM_STMT_PREPARE", false);
int rval = Test->global_result;
delete Test;
return rval;
}