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Merge pull request #18851 from owncloud/memcached-getallkeys-fallback 

Fallback to complete Memcached flush if getAllKeys fails
This commit is contained in:
Robin McCorkell 2015-09-10 20:33:18 +01:00
parent fb717f254f b64e3f8db6
commit 620173c792
2 changed files with 28 additions and 0 deletions
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5
lib/private/memcache/memcached.php
View File

@ -89,6 +89,11 @@ class Memcached extends Cache implements IMemcache {
public function clear($prefix = '') {
$prefix = $this->getNamespace() . $prefix;
$allKeys = self::$cache->getAllKeys();
if ($allKeys === false) {
// newer Memcached doesn't like getAllKeys(), flush everything
self::$cache->flush();
return true;
}
$keys = array();
$prefixLength = strlen($prefix);
foreach ($allKeys as $key) {

23
tests/lib/memcache/memcached.php
View File

@ -26,4 +26,27 @@ class Memcached extends Cache {
parent::setUp();
$this->instance = new \OC\Memcache\Memcached($this->getUniqueID());
}
public function testClear() {
// Memcached is sometimes broken with clear(), so we don't test it thoroughly
$value='ipsum lorum';
$this->instance->set('1_value1', $value);
$this->instance->set('1_value2', $value);
$this->instance->set('2_value1', $value);
$this->instance->set('3_value1', $value);
$this->assertTrue($this->instance->clear('1_'));
$this->assertFalse($this->instance->hasKey('1_value1'));
$this->assertFalse($this->instance->hasKey('1_value2'));
//$this->assertTrue($this->instance->hasKey('2_value1'));
//$this->assertTrue($this->instance->hasKey('3_value1'));
$this->assertTrue($this->instance->clear());
$this->assertFalse($this->instance->hasKey('1_value1'));
$this->assertFalse($this->instance->hasKey('1_value2'));
$this->assertFalse($this->instance->hasKey('2_value1'));
$this->assertFalse($this->instance->hasKey('3_value1'));
}
}