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Disable prepared query caching while doing an upgrade

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This commit is contained in:
Robin Appelman 2013-02-26 22:41:48 +01:00
parent f3a8bf9260
commit 47b899e0c8
2 changed files with 15 additions and 3 deletions
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3
core/ajax/update.php
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@ -4,6 +4,7 @@ $RUNTIME_NOAPPS = true;
require_once '../../lib/base.php';
if (OC::checkUpgrade(false)) {
\OC_DB::enableCaching(false);
$updateEventSource = new OC_EventSource();
$watcher = new UpdateWatcher($updateEventSource);
OC_Hook::connect('update', 'success', $watcher, 'success');
@ -64,4 +65,4 @@ class UpdateWatcher {
$this->eventSource->close();
}
}
}

15
lib/db.php
View file

@ -42,6 +42,7 @@ class OC_DB {
const BACKEND_MDB2=1;
static private $preparedQueries = array();
static private $cachingEnabled = true;
/**
* @var MDB2_Driver_Common
@ -356,7 +357,7 @@ class OC_DB {
}
}
} else {
if (isset(self::$preparedQueries[$query])) {
if (isset(self::$preparedQueries[$query]) and self::$cachingEnabled) {
return self::$preparedQueries[$query];
}
}
@ -382,7 +383,7 @@ class OC_DB {
}
$result=new PDOStatementWrapper($result);
}
if (is_null($limit) || $limit == -1) {
if ((is_null($limit) || $limit == -1) and self::$cachingEnabled ) {
self::$preparedQueries[$rawQuery] = $result;
}
return $result;
@ -915,6 +916,16 @@ class OC_DB {
}
return $msg;
}
/**
* @param bool $enabled
*/
static public function enableCaching($enabled) {
if (!$enabled) {
self::$preparedQueries = array();
}
self::$cachingEnabled = $enabled;
}
}
/**