]> granicus.if.org Git - php/commitdiff
Trying to respect time limit to please Andrey who must be using slooow hardware...
authorUlf Wendel <uw@php.net>
Fri, 25 Sep 2009 13:21:44 +0000 (13:21 +0000)
committerUlf Wendel <uw@php.net>
Fri, 25 Sep 2009 13:21:44 +0000 (13:21 +0000)
ext/mysqli/tests/mysqli_fetch_array_large.phpt

index b0763b060527e4f410bf0ffafafdf5a01411b0a5..aa8c76871585999a40dc592ff40a773a108684ea 100644 (file)
@@ -21,7 +21,11 @@ require_once('skipifconnectfailure.inc');
                $sql = substr($sql, 0, -2);
                assert(strlen($sql) < $package_size);
 
-               if (!mysqli_query($link, $sql)) {
+               if (!@mysqli_query($link, $sql)) {
+                       if (1153 == mysqli_errno($link) || stristr(mysqli_error($link), 'max_allowed_packet'))
+                               /* [1153] Got a packet bigger than 'max_allowed_packet' bytes */
+                               return false;
+
                        printf("[%03d + 1] [%d] %s\n", $offset, mysqli_errno($link), mysqli_error($link));
                        return false;
                }
@@ -72,6 +76,25 @@ require_once('skipifconnectfailure.inc');
                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, $socket)) {
                printf("[001] Cannot connect to the server using host=%s, user=%s, passwd=***, dbname=%s, port=%s, socket=%s\n",
@@ -82,12 +105,39 @@ require_once('skipifconnectfailure.inc');
                        !mysqli_query($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 = 32768;
+       $package_size = 524288;
        $offset = 3;
-       $limit = (0 < ini_get('memory_limit')) ? pow(2, 32) : ini_get('memory_limit');
-       while (($package_size < $limit) && mysqli_fetch_array_large($offset++, $link, $package_size))
+       $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!";
 ?>
@@ -96,5 +146,5 @@ require_once('skipifconnectfailure.inc');
        require_once("clean_table.inc");
 ?>
 --EXPECTF--
-[%d + 1] [1153] Got a packet bigger than 'max_allowed_packet' bytes
+stop: %s
 done!
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