1--TEST--
2MySQL PDO->__construct(), PDO::MYSQL_ATTR_MAX_BUFFER_SIZE
3--SKIPIF--
4<?php
5require_once(__DIR__ . DIRECTORY_SEPARATOR . 'skipif.inc');
6require_once(__DIR__ . DIRECTORY_SEPARATOR . 'mysql_pdo_test.inc');
7MySQLPDOTest::skip();
8if (MySQLPDOTest::isPDOMySQLnd())
9    die("skip PDO::MYSQL_ATTR_MAX_BUFFER_SIZE not supported with mysqlnd");
10?>
11--FILE--
12<?php
13    require_once(__DIR__ . DIRECTORY_SEPARATOR . 'mysql_pdo_test.inc');
14
15    function try_buffer_size($offset, $buffer_size) {
16
17        try {
18
19            $dsn = MySQLPDOTest::getDSN();
20            $user = PDO_MYSQL_TEST_USER;
21            $pass = PDO_MYSQL_TEST_PASS;
22
23            /* unsigned overflow possible ? */
24            $db = new PDO($dsn, $user, $pass,
25            array(
26                PDO::MYSQL_ATTR_MAX_BUFFER_SIZE => $buffer_size,
27                /* buffer is only relevant with native PS */
28                PDO::MYSQL_ATTR_DIRECT_QUERY => 0,
29                PDO::ATTR_EMULATE_PREPARES => 0,
30            ));
31
32            $db->exec('DROP TABLE IF EXISTS test');
33            $db->exec(sprintf('CREATE TABLE test(id INT, val LONGBLOB) ENGINE = %s', PDO_MYSQL_TEST_ENGINE));
34
35            // 10 * (10 * 1024) = 10 * (10 * 1k) = 100k
36            $db->exec('INSERT INTO test(id, val) VALUES (1, REPEAT("01234567890", 10240))');
37
38            $stmt = $db->prepare('SELECT id, val FROM test');
39            $stmt->execute();
40
41            $id = $val = NULL;
42            $stmt->bindColumn(1, $id);
43            $stmt->bindColumn(2, $val);
44            while ($row = $stmt->fetch(PDO::FETCH_BOUND)) {
45                printf("[%03d] id = %d, val = %s... (length: %d)\n",
46                    $offset, $id, substr($val, 0, 10), strlen($val));
47            }
48            $db->exec('DROP TABLE IF EXISTS test');
49
50        } catch (PDOException $e) {
51            printf("[%03d] %s, [%s] %s\n",
52                $offset,
53                $e->getMessage(),
54                (is_object($db)) ? $db->errorCode() : 'n/a',
55                (is_object($db)) ? implode(' ', $db->errorInfo()) : 'n/a');
56        }
57    }
58
59    try_buffer_size(1, -1);
60    try_buffer_size(2, 1000);
61    try_buffer_size(3, NULL);
62    try_buffer_size(4, 2000);
63
64    print "done!";
65?>
66--CLEAN--
67<?php
68require __DIR__ . '/mysql_pdo_test.inc';
69$db = MySQLPDOTest::factory();
70$db->exec('DROP TABLE IF EXISTS test');
71?>
72--EXPECTF--
73[001] id = 1, val = 0123456789... (length: %d)
74[002] id = 1, val = 0123456789... (length: 1000)
75[003] id = 1, val = 0123456789... (length: %d)
76[004] id = 1, val = 0123456789... (length: 2000)
77done!
78