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ACM-related changes. Tried to make debug timings a little more accurate, Note that it takes the time spent on fetching data into account when comparing db time vs cache time. Added green/red indicator (green = caching good, red = bad ;))

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git-svn-id: file:///svn/phpbb/trunk@4686 89ea8834-ac86-4346-8a33-228a782c2dd0
This commit is contained in:
Ludovic Arnaud 2003-11-27 00:02:16 +00:00
parent ce8fddf78f
commit 7357736695
1 changed files with 36 additions and 27 deletions
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63
phpBB/includes/db/mysql.php
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@ -105,7 +105,7 @@ class sql_db
}
// Base query method
function sql_query($query = '', $max_age = 0)
function sql_query($query = '', $cache_ttl = 0)
{
if ($query != '')
{
@ -114,7 +114,7 @@ class sql_db
// DEBUG
$this->sql_report('start', $query);
$this->query_result = ($max_age && method_exists($cache, 'sql_load')) ? $cache->sql_load($query, $max_age) : false;
$this->query_result = ($cache_ttl && method_exists($cache, 'sql_load')) ? $cache->sql_load($query) : false;
if (!$this->query_result)
{
@ -128,16 +128,15 @@ class sql_db
// DEBUG
$this->sql_report('stop', $query);
if (preg_match('/^SELECT/', $query))
if ($cache_ttl && method_exists($cache, 'sql_save'))
{
$cache->sql_save($query, $this->query_result, $cache_ttl);
@mysql_free_result($this->query_result);
}
elseif (preg_match('/^SELECT/', $query))
{
$this->open_queries[] = $this->query_result;
}
if ($max_age && method_exists($cache, 'sql_save'))
{
$cache->sql_save($query, $this->query_result);
@mysql_free_result(array_pop($this->open_queries));
}
}
else
{
@ -153,7 +152,7 @@ class sql_db
return ($this->query_result) ? $this->query_result : false;
}
function sql_query_limit($query, $total, $offset = 0, $max_age = 0)
function sql_query_limit($query, $total, $offset = 0, $cache_ttl = 0)
{
if ($query != '')
{
@ -167,7 +166,7 @@ class sql_db
$query .= "\n LIMIT " . ((!empty($offset)) ? $offset . ', ' . $total : $total);
return $this->sql_query($query, $max_age);
return $this->sql_query($query, $cache_ttl);
}
else
{
@ -381,7 +380,7 @@ class sql_db
// DEBUG
function sql_report($mode, $query = '')
{
if (empty($_REQUEST['explain']))
if (empty($_GET['explain']))
{
return;
}
@ -401,7 +400,7 @@ class sql_db
case 'display':
if (!empty($cache))
{
$cache->unload();
$cache->unload();
}
$db->sql_close();
@ -419,9 +418,6 @@ class sql_db
break;
case 'start':
$curtime = explode(' ', microtime());
$curtime = sprintf('%.5f', $curtime[0] + $curtime[1] - $starttime);
$query_hold = $query;
$html_hold = '';
@ -471,43 +467,56 @@ class sql_db
$html_hold .= '</table>';
}
}
$curtime = explode(' ', microtime());
$curtime = $curtime[0] + $curtime[1];
break;
case 'fromcache':
$endtime = explode(' ', microtime());
$endtime = sprintf('%.5f', $endtime[0] + $endtime[1] - $starttime);
$endtime = $endtime[0] + $endtime[1];
$result = mysql_query($query, $this->db_connect_id);
while ($void = mysql_fetch_assoc($result))
{
// Take the time spent on parsing rows into account
}
$splittime = explode(' ', microtime());
$splittime = $splittime[0] + $splittime[1];
$time_cache = $endtime - $curtime;
$time_db = $splittime - $endtime;
$color = ($time_db > $time_cache) ? 'green' : 'red';
$sql_report .= '<hr width="100%"/><br /><table class="bg" width="100%" cellspacing="1" cellpadding="4" border="0"><tr><th>Query results obtained from the cache</th></tr><tr><td class="row1"><textarea style="font-family:\'Courier New\',monospace;width:100%" rows="5">' . preg_replace('/\t(AND|OR)(\W)/', "\$1\$2", htmlspecialchars(preg_replace('/[\s]*[\n\r\t]+[\n\r\s\t]*/', "\n", $query))) . '</textarea></td></tr></table><p align="center">';
$sql_report .= "Before: {$curtime}s | After: {$endtime}s | Elapsed [cache]: <b>" . ($endtime - $curtime) . "s</b>";
$sql_report .= 'Before: ' . sprintf('%.5f', $curtime - $starttime) . 's | After: ' . sprintf('%.5f', $endtime - $starttime) . 's | Elapsed [cache]: <b style="color: ' . $color . '">' . sprintf('%.5f', ($time_cache)) . 's</b> | Elapsed [db]: <b>' . sprintf('%.5f', $time_db) . 's</b></p>';
$s = explode(' ', microtime());
mysql_query($query, $this->db_connect_id);
$e = explode(' ', microtime());
$sql_report .= ' | Elapsed [db]: <b>' . sprintf('%.5f', ($e[0] + $e[1] - $s[0] - $s[1])) . 's</b></p>';
// Pad the start time to not interfere with page timing
$starttime += $time_db;
mysql_free_result($result);
$cache_num_queries++;
break;
case 'stop':
$endtime = explode(' ', microtime());
$endtime = sprintf('%.5f', $endtime[0] + $endtime[1] - $starttime);
$endtime = $endtime[0] + $endtime[1];
$sql_report .= '<hr width="100%"/><br /><table class="bg" width="100%" cellspacing="1" cellpadding="4" border="0"><tr><th>Query #' . $this->num_queries . '</th></tr><tr><td class="row1"><textarea style="font-family:\'Courier New\',monospace;width:100%" rows="5">' . preg_replace('/\t(AND|OR)(\W)/', "\$1\$2", htmlspecialchars(preg_replace('/[\s]*[\n\r\t]+[\n\r\s\t]*/', "\n", $query))) . '</textarea></td></tr></table> ' . $html_hold . '<p align="center">';
if ($this->query_result)
{
if (preg_match('/^(UPDATE|DELETE)/', $query))
if (preg_match('/^(UPDATE|DELETE|REPLACE)/', $query))
{
$sql_report .= "Affected rows: <b>" . $this->sql_affectedrows($this->query_result) . '</b> | ';
}
$sql_report .= "Before: {$curtime}s | After: {$endtime}s | Elapsed: <b>" . ($endtime - $curtime) . 's</b>';
$sql_report .= 'Before: ' . sprintf('%.5f', $curtime - $starttime) . 's | After: ' . sprintf('%.5f', $endtime - $starttime) . 's | Elapsed: <b>' . sprintf('%.5f', $endtime - $curtime) . 's</b>';
}
else
{
$error = $this->sql_error();
$sql_report .= '<b>FAILED</b> - MySQL Error ' . $error['code'] . ': ' . htmlspecialchars($error['message']);
$sql_report .= '<b style="color: red">FAILED</b> - MySQL Error ' . $error['code'] . ': ' . htmlspecialchars($error['message']);
}
$sql_report .= '</p>';