/**
 * @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[4096 + 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->log_excludes(0, "Can't route MYSQL_COM_STMT_PREPARE");

    int rval = Test->global_result;
    delete Test;
    return rval;
}