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|
--TEST--
mysqli_fetch_array() - large packages (to test compression)
--SKIPIF--
<?php
require_once('skipif.inc');
require_once('skipifconnectfailure.inc');
?>
--FILE--
<?php
require_once("connect.inc");
function mysqli_fetch_array_large($offset, $link, $package_size) {
/* we are aiming for maximum compression to test MYSQLI_CLIENT_COMPRESS */
$random_char = str_repeat('a', 255);
$sql = "INSERT INTO test(label) VALUES ";
while (strlen($sql) < ($package_size - 259))
$sql .= sprintf("('%s'), ", $random_char);
$sql = substr($sql, 0, -2);
$len = strlen($sql);
assert($len < $package_size);
if (!@mysqli_query($link, $sql)) {
if (1153 == mysqli_errno($link) || 2006 == mysqli_errno($link) || stristr(mysqli_error($link), 'max_allowed_packet'))
/*
myslqnd - [1153] Got a packet bigger than 'max_allowed_packet' bytes
libmysql -[2006] MySQL server has gone away
*/
return false;
printf("[%03d + 1] len = %d, [%d] %s\n", $offset, $len, mysqli_errno($link), mysqli_error($link));
return false;
}
/* buffered result set - let's hope we do not run into PHP memory limit... */
if (!$res = mysqli_query($link, "SELECT id, label FROM test")) {
printf("[%03d + 2] len = %d, [%d] %s\n", $offset, $len, mysqli_errno($link), mysqli_error($link));
return false;
}
while ($row = mysqli_fetch_assoc($res)) {
if ($row['label'] != $random_char) {
printf("[%03d + 3] Wrong results - expecting '%s' got '%s', len = %d, [%d] %s\n",
$offset, $random_char, $row['label'], $len, mysqli_errno($link), mysqli_error($link));
return false;
}
}
mysqli_free_result($res);
if (!$stmt = mysqli_prepare($link, "SELECT id, label FROM test")) {
printf("[%03d + 4] len = %d, [%d] %s\n", $offset, $len, mysqli_errno($link), mysqli_error($link));
return false;
}
/* unbuffered result set */
if (!mysqli_stmt_execute($stmt)) {
printf("[%03d + 5] len = %d, [%d] %s, [%d] %s\n", $offset, $len, mysqli_stmt_errno($stmt), mysqli_stmt_error($stmt), mysqli_errno($link), mysqli_error($link));
return false;
}
$id = $label = NULL;
if (!mysqli_stmt_bind_result($stmt, $id, $label)) {
printf("[%03d + 6] len = %d, [%d] %s, [%d] %s\n", $offset, $len, mysqli_stmt_errno($stmt), mysqli_stmt_error($stmt), mysqli_errno($link), mysqli_error($link));
return false;
}
while (mysqli_stmt_fetch($stmt)) {
if ($label != $random_char) {
printf("[%03d + 7] Wrong results - expecting '%s' got '%s', len = %d, [%d] %s\n",
$offset, $random_char, $label, $len, mysqli_stmt_errno($stmt), mysqli_stmt_error($stmt));
return false;
}
}
mysqli_stmt_free_result($stmt);
mysqli_stmt_close($stmt);
return true;
}
function parse_memory_limit($limit) {
$val = trim($limit);
$last = strtolower($val[strlen($val)-1]);
switch($last) {
// The 'G' modifier is available since PHP 5.1.0
case 'g':
$val *= 1024;
case 'm':
$val *= 1024;
case 'k':
$val *= 1024;
default:
break;
}
return $val;
}
if (!$link = my_mysqli_connect($host, $user, $passwd, $db, $port, $socket)) {
printf("[001] Cannot connect to the server using host=%s, user=%s, passwd=***, dbname=%s, port=%s, socket=%s\n",
$host, $user, $db, $port, $socket);
}
if (!mysqli_query($link, "DROP TABLE IF EXISTS test") ||
!mysqli_query($link, sprintf("CREATE TABLE test(id INT NOT NULL AUTO_INCREMENT PRIMARY KEY, label VARCHAR(255)) ENGINE = %s", $engine)))
printf("[002] [%d] %s\n", mysqli_errno($link), mysqli_error($link));
$package_size = 524288;
$offset = 3;
$limit = (ini_get('memory_limit') > 0) ? parse_memory_limit(ini_get('memory_limit')) : pow(2, 32);
/* try to respect php.ini but make run time a soft limit */
$max_runtime = (ini_get('max_execution_time') > 0) ? ini_get('max_execution_time') : 30;
set_time_limit(0);
do {
if ($package_size > $limit) {
printf("stop: memory limit - %s vs. %s\n", $package_size, $limit);
break;
}
$start = microtime(true);
if (!mysqli_fetch_array_large($offset++, $link, $package_size)) {
printf("stop: packet size - %d\n", $package_size);
break;
}
$duration = microtime(true) - $start;
$max_runtime -= $duration;
if ($max_runtime < ($duration * 3)) {
/* likely the next iteration will not be within max_execution_time */
printf("stop: time limit - %2.2fs\n", $max_runtime);
break;
}
$package_size += $package_size;
} while (true);
mysqli_close($link);
print "done!";
?>
--CLEAN--
<?php
require_once("clean_table.inc");
?>
--EXPECTF--
stop: %s
done!
|
