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Test for what Andrey has found with 16M packets

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This commit is contained in:
Ulf Wendel
2009-12-17 14:15:28 +00:00
parent f8dcfbc74f
commit 95f4aff61c
1 changed files with 93 additions and 0 deletions
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ext/mysqli/tests/mysqli_insert_packet_overflow.phpt
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--TEST--
INSERT and packet overflow
--SKIPIF--
<?php
require_once('skipif.inc');
require_once('skipifconnectfailure.inc');
?>
--INI--
memory_limit=256M
--FILE--
<?php
require('connect.inc');
if (!$link = my_mysqli_connect($host, $user, $passwd, $db, $port, $socket))
printf("[001] [%d] %s\n", mysqli_connect_errno(), mysqli_connect_error());
if (!$res = mysqli_query($link, "SHOW GLOBAL VARIABLES LIKE 'max_allowed_packet'"))
printf("[002] [%d] %s\n", mysqli_errno($link), mysqli_error($link));
if (!$row = mysqli_fetch_assoc($res))
printf("[003] [%d] %s\n", mysqli_errno($link), mysqli_error($link));
mysqli_free_result($res);
if (0 === ($org_max_allowed_packet = (int)$row['Value']))
printf("[004] Cannot determine max_allowed_packet size and/or bogus max_allowed_packet setting used.\n");
$max_len = pow(2, 24);
if ($org_max_allowed_packet < $max_len) {
if (!mysqli_query($link, "SET GLOBAL max_allowed_packet = " . ($max_len + 100)))
printf("[005] [%d] %s\n", mysqli_errno($link), mysqli_error($link));
}
mysqli_close($link);
if (!$link = my_mysqli_connect($host, $user, $passwd, $db, $port, $socket))
printf("[006] [%d] %s\n", mysqli_connect_errno(), mysqli_connect_error());
if (!$res = mysqli_query($link, "SHOW GLOBAL VARIABLES LIKE 'max_allowed_packet'"))
printf("[007] [%d] %s\n", mysqli_errno($link), mysqli_error($link));
if (!$row = mysqli_fetch_assoc($res))
printf("[008] [%d] %s\n", mysqli_errno($link), mysqli_error($link));
mysqli_free_result($res);
if (0 === ($max_allowed_packet = (int)$row['Value']))
printf("[009] Cannot determine max_allowed_packet size and/or bogus max_allowed_packet setting used.\n");
$max_len = pow(2, 24);
if ($max_allowed_packet < $max_len) {
printf("[010] Failed to change max_allowed_packet");
}
if (!mysqli_query($link, "CREATE TABLE test(col_blob LONGBLOB) ENGINE=" . $engine))
printf("[011] [%d] %s\n", mysqli_errno($link), mysqli_error($link));
$query_prefix = 'INSERT INTO test(col_blob) VALUES ("';
$query_postfix = '")';
$query_len = strlen($query_prefix) + strlen($query_postfix);
$com_query_len = 1;
$blob = str_repeat('a', $max_len - $com_query_len - $query_len);
$query = sprintf("%s%s%s", $query_prefix, $blob, $query_postfix);
if (!mysqli_query($link, $query))
printf("[012] [%d] %s\n", mysqli_errno($link), mysqli_error($link));
if (!$res = mysqli_query($link, "SELECT col_blob FROM test"))
printf("[013] [%d] %s\n", mysqli_errno($link), mysqli_error($link));
if (!$row = mysqli_fetch_assoc($res)) {
printf("[014] [%d] %s\n", mysqli_errno($link), mysqli_error($link));
} else {
if ($row['col_blob'] != $blob) {
printf("[015] Blob seems wrong, dumping data\n");
var_dump(strlen($row['col_blob']));
var_dump(strlen($blob));
}
mysqli_free_result($res);
}
if (!mysqli_query($link, "SET GLOBAL max_allowed_packet = " . $org_max_allowed_packet))
printf("[016] [%d] %s\n", mysqli_errno($link), mysqli_error($link));
mysqli_close($link);
print "done!";
?>
--CLEAN--
<?php
require_once("clean_table.inc");
?>
--EXPECTF--
done!