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[Memcached_DataObject] Do not encache on insert

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This resulted in N=0 and empty "modified" in cache.
This commit is contained in:
Alexei Sorokin 2020-09-14 20:19:17 +03:00
parent b04469a252
commit 001629b6dd
1 changed files with 17 additions and 4 deletions
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21
classes/Memcached_DataObject.php
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@ -501,8 +501,9 @@ class Memcached_DataObject extends Safe_DataObject
public function insert() public function insert()
{ {
$result = parent::insert(); $result = parent::insert();
if ($result) { if ($result !== false) {
$this->encache(); // in case of cached negative lookups // In case of cached negative lookups
$this->decache();
} }
return $result; return $result;
} }
@ -510,11 +511,12 @@ class Memcached_DataObject extends Safe_DataObject
public function update($dataObject = false) public function update($dataObject = false)
{ {
if (is_object($dataObject) && $dataObject instanceof Memcached_DataObject) { if (is_object($dataObject) && $dataObject instanceof Memcached_DataObject) {
$dataObject->decache(); # might be different keys $dataObject->decache(); // might be different keys
} }
$result = parent::update($dataObject); $result = parent::update($dataObject);
if ($result !== false) { if ($result !== false) {
$this->encache(); // Cannot encache yet, so decache instead
$this->decache();
} }
return $result; return $result;
} }
@ -582,6 +584,17 @@ class Memcached_DataObject extends Safe_DataObject
public function encache() public function encache()
{ {
if ($this->N < 1) {
// Caching breaks when it is too early.
$e = new Exception();
common_log(
LOG_ERR,
'DataObject must be the result of a query (N>=1) before encache() '
. str_replace("\n", ' ', $e->getTraceAsString())
);
return false;
}
$c = self::memcache(); $c = self::memcache();
if (!$c) { if (!$c) {