* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
-if (!defined('STATUSNET') && !defined('LACONICA')) { exit(1); }
+if (!defined('GNUSOCIAL')) { exit(1); }
class Memcached_DataObject extends Safe_DataObject
{
* @param mixed $v key field value, or leave out for primary key lookup
* @return mixed Memcached_DataObject subtype or false
*/
- function &staticGet($cls, $k, $v=null)
+ static function getClassKV($cls, $k, $v=null)
{
if (is_null($v)) {
$v = $k;
- // XXX: HACK!
- $i = new $cls;
- $keys = $i->keys();
+ $keys = self::pkeyCols($cls);
+ if (count($keys) > 1) {
+ // FIXME: maybe call pkeyGetClass() ourselves?
+ throw new Exception('Use pkeyGetClass() for compound primary keys');
+ }
$k = $keys[0];
- unset($i);
}
- $i = Memcached_DataObject::getcached($cls, $k, $v);
+ $i = self::getcached($cls, $k, $v);
if ($i === false) { // false == cache miss
- $i = DB_DataObject::factory($cls);
- if (empty($i)) {
- $i = false;
- return $i;
- }
+ $i = new $cls;
$result = $i->get($k, $v);
if ($result) {
// Hit!
* @param string $cls Class to fetch
* @param string $keyCol name of column for key
* @param array $keyVals key values to fetch
- * @param boolean $skipNulls return only non-null results?
*
* @return array Array of objects, in order
*/
- function multiGet($cls, $keyCol, $keyVals, $skipNulls=true)
+ static function multiGetClass($cls, $keyCol, array $keyVals)
{
- $result = self::pivotGet($cls, $keyCol, $keyVals);
+ $obj = new $cls;
- $values = array_values($result);
+ // php-compatible, for settype(), datatype
+ $colType = $obj->columnType($keyCol);
- if ($skipNulls) {
- $tmp = array();
- foreach ($values as $value) {
- if (!empty($value)) {
- $tmp[] = $value;
- }
- }
- $values = $tmp;
+ if (!in_array($colType, array('integer', 'int'))) {
+ // This is because I'm afraid to escape strings incorrectly
+ // in the way we use them below in FIND_IN_SET for MariaDB
+ throw new ServerException('Cannot do multiGet on anything but integer columns');
}
- return new ArrayWrapper($values);
+ $obj->whereAddIn($keyCol, $keyVals, $colType);
+
+ // Since we're inputting straight to a query: format and escape
+ foreach ($keyVals as $key=>$val) {
+ settype($val, $colType);
+ $keyVals[$key] = $obj->escape($val);
+ }
+
+ // FIND_IN_SET will make sure we keep the desired order
+ $obj->orderBy(sprintf("FIND_IN_SET(%s, '%s')", $keyCol, implode(',', $keyVals)));
+ $obj->find();
+
+ return $obj;
}
/**
*
* @return array Array mapping $keyVals to objects, or null if not found
*/
- static function pivotGet($cls, $keyCol, $keyVals, $otherCols = array())
+ static function pivotGetClass($cls, $keyCol, array $keyVals, array $otherCols = array())
{
- $result = array_fill_keys($keyVals, null);
+ if (is_array($keyCol)) {
+ foreach ($keyVals as $keyVal) {
+ $result[implode(',', $keyVal)] = null;
+ }
+ } else {
+ $result = array_fill_keys($keyVals, null);
+ }
$toFetch = array();
foreach ($keyVals as $keyVal) {
- $kv = array_merge($otherCols, array($keyCol => $keyVal));
+ if (is_array($keyCol)) {
+ $kv = array_combine($keyCol, $keyVal);
+ } else {
+ $kv = array($keyCol => $keyVal);
+ }
+
+ $kv = array_merge($otherCols, $kv);
$i = self::multicache($cls, $kv);
if ($i !== false) {
- $result[$keyVal] = $i;
+ if (is_array($keyCol)) {
+ $result[implode(',', $keyVal)] = $i;
+ } else {
+ $result[$keyVal] = $i;
+ }
} else if (!empty($keyVal)) {
$toFetch[] = $keyVal;
}
}
if (count($toFetch) > 0) {
- $i = DB_DataObject::factory($cls);
- if (empty($i)) {
- // TRANS: Exception thrown when a class (%s) could not be instantiated.
- throw new Exception(sprintf(_('Cannot instantiate class %s.'),$cls));
- }
+ $i = new $cls;
foreach ($otherCols as $otherKeyCol => $otherKeyVal) {
$i->$otherKeyCol = $otherKeyVal;
}
- $i->whereAddIn($keyCol, $toFetch, $i->columnType($keyCol));
+ if (is_array($keyCol)) {
+ $i->whereAdd(self::_inMultiKey($i, $keyCol, $toFetch));
+ } else {
+ $i->whereAddIn($keyCol, $toFetch, $i->columnType($keyCol));
+ }
if ($i->find()) {
while ($i->fetch()) {
$copy = clone($i);
$copy->encache();
- $result[$i->$keyCol] = $copy;
+ if (is_array($keyCol)) {
+ $vals = array();
+ foreach ($keyCol as $k) {
+ $vals[] = $i->$k;
+ }
+ $result[implode(',', $vals)] = $copy;
+ } else {
+ $result[$i->$keyCol] = $copy;
+ }
}
}
// Save state of DB misses
foreach ($toFetch as $keyVal) {
- if (empty($result[$keyVal])) {
- $kv = array_merge($otherCols, array($keyCol => $keyVal));
+ $r = null;
+ if (is_array($keyCol)) {
+ $r = $result[implode(',', $keyVal)];
+ } else {
+ $r = $result[$keyVal];
+ }
+ if (empty($r)) {
+ if (is_array($keyCol)) {
+ $kv = array_combine($keyCol, $keyVal);
+ } else {
+ $kv = array($keyCol => $keyVal);
+ }
+ $kv = array_merge($otherCols, $kv);
// save the fact that no such row exists
$c = self::memcache();
if (!empty($c)) {
return $result;
}
- function listGet($cls, $keyCol, $keyVals)
+ static function _inMultiKey($i, $cols, $values)
{
+ $types = array();
+
+ foreach ($cols as $col) {
+ $types[$col] = $i->columnType($col);
+ }
+
+ $first = true;
+
+ $query = '';
+
+ foreach ($values as $value) {
+ if ($first) {
+ $query .= '( ';
+ $first = false;
+ } else {
+ $query .= ' OR ';
+ }
+ $query .= '( ';
+ $i = 0;
+ $firstc = true;
+ foreach ($cols as $col) {
+ if (!$firstc) {
+ $query .= ' AND ';
+ } else {
+ $firstc = false;
+ }
+ switch ($types[$col]) {
+ case 'string':
+ case 'datetime':
+ $query .= sprintf("%s = %s", $col, $i->_quote($value[$i]));
+ break;
+ default:
+ $query .= sprintf("%s = %s", $col, $value[$i]);
+ break;
+ }
+ }
+ $query .= ') ';
+ }
+
+ if (!$first) {
+ $query .= ' )';
+ }
+
+ return $query;
+ }
+
+ static function pkeyCols($cls)
+ {
+ $i = new $cls;
+ $types = $i->keyTypes();
+ ksort($types);
+
+ $pkey = array();
+
+ foreach ($types as $key => $type) {
+ if ($type == 'K' || $type == 'N') {
+ $pkey[] = $key;
+ }
+ }
+
+ return $pkey;
+ }
+
+ static function listFindClass($cls, $keyCol, array $keyVals)
+ {
+ $i = new $cls;
+ $i->whereAddIn($keyCol, $keyVals, $i->columnType($keyCol));
+ if (!$i->find()) {
+ throw new NoResultException($i);
+ }
+
+ return $i;
+ }
+
+ static function listGetClass($cls, $keyCol, array $keyVals)
+ {
+ $pkeyMap = array_fill_keys($keyVals, array());
$result = array_fill_keys($keyVals, array());
+ $pkeyCols = self::pkeyCols($cls);
+
$toFetch = array();
+ $allPkeys = array();
+
+ // We only cache keys -- not objects!
foreach ($keyVals as $keyVal) {
- $l = self::cacheGet(sprintf("%s:list:%s:%s", $cls, $keyCol, $keyVal));
+ $l = self::cacheGet(sprintf("%s:list-ids:%s:%s", strtolower($cls), $keyCol, $keyVal));
if ($l !== false) {
- $result[$keyVal] = $l;
+ $pkeyMap[$keyVal] = $l;
+ foreach ($l as $pkey) {
+ $allPkeys[] = $pkey;
+ }
} else {
$toFetch[] = $keyVal;
}
}
- if (count($toFetch) > 0) {
- $i = DB_DataObject::factory($cls);
- if (empty($i)) {
- // TRANS: Exception thrown when a class (%s) could not be instantiated.
- throw new Exception(sprintf(_('Cannot instantiate class %s.'),$cls));
+ if (count($allPkeys) > 0) {
+ $keyResults = self::pivotGetClass($cls, $pkeyCols, $allPkeys);
+
+ foreach ($pkeyMap as $keyVal => $pkeyList) {
+ foreach ($pkeyList as $pkeyVal) {
+ $i = $keyResults[implode(',',$pkeyVal)];
+ if (!empty($i)) {
+ $result[$keyVal][] = $i;
+ }
+ }
}
- $i->whereAddIn($keyCol, $toFetch, $i->columnType($keyCol));
- if ($i->find()) {
+ }
+
+ if (count($toFetch) > 0) {
+ try {
+ $i = self::listFindClass($cls, $keyCol, $toFetch);
+
while ($i->fetch()) {
$copy = clone($i);
$copy->encache();
$result[$i->$keyCol][] = $copy;
+ $pkeyVal = array();
+ foreach ($pkeyCols as $pkeyCol) {
+ $pkeyVal[] = $i->$pkeyCol;
+ }
+ $pkeyMap[$i->$keyCol][] = $pkeyVal;
}
+ } catch (NoResultException $e) {
+ // no results found for our keyVals, so we leave them as empty arrays
}
- foreach ($toFetch as $keyVal)
- {
- self::cacheSet(sprintf("%s:list:%s:%s", $cls, $keyCol, $keyVal),
- $result[$keyVal]);
+ foreach ($toFetch as $keyVal) {
+ self::cacheSet(sprintf("%s:list-ids:%s:%s", strtolower($cls), $keyCol, $keyVal),
+ $pkeyMap[$keyVal]);
}
}
}
/**
- * @todo FIXME: Should this return false on lookup fail to match staticGet?
+ * @todo FIXME: Should this return false on lookup fail to match getKV?
*/
- function pkeyGet($cls, $kv)
+ static function pkeyGetClass($cls, array $kv)
{
- $i = Memcached_DataObject::multicache($cls, $kv);
+ $i = self::multicache($cls, $kv);
if ($i !== false) { // false == cache miss
return $i;
} else {
- $i = DB_DataObject::factory($cls);
- if (empty($i) || PEAR::isError($i)) {
- return false;
- }
+ $i = new $cls;
foreach ($kv as $k => $v) {
if (is_null($v)) {
// XXX: possible SQL injection...? Don't
return $result;
}
- function update($orig=null)
+ function update($dataObject=false)
{
- if (is_object($orig) && $orig instanceof Memcached_DataObject) {
- $orig->decache(); # might be different keys
+ if (is_object($dataObject) && $dataObject instanceof Memcached_DataObject) {
+ $dataObject->decache(); # might be different keys
}
- $result = parent::update($orig);
- if ($result) {
+ $result = parent::update($dataObject);
+ if ($result !== false) {
$this->fixupTimestamps();
$this->encache();
}
return $result;
}
- function delete()
+ function delete($useWhere=false)
{
$this->decache(); # while we still have the values!
- return parent::delete();
+ return parent::delete($useWhere);
}
static function memcache() {
}
static function getcached($cls, $k, $v) {
- $c = Memcached_DataObject::memcache();
+ $c = self::memcache();
if (!$c) {
return false;
} else {
- $obj = $c->get(Memcached_DataObject::cacheKey($cls, $k, $v));
+ $obj = $c->get(self::cacheKey($cls, $k, $v));
if (0 == strcasecmp($cls, 'User')) {
// Special case for User
if (is_object($obj) && is_object($obj->id)) {
common_log(LOG_ERR, "User " . $obj->nickname . " was cached with User as ID; deleting");
- $c->delete(Memcached_DataObject::cacheKey($cls, $k, $v));
+ $c->delete(self::cacheKey($cls, $k, $v));
return false;
}
}
function encache()
{
- $c = $this->memcache();
+ $c = self::memcache();
if (!$c) {
return false;
function decache()
{
- $c = $this->memcache();
+ $c = self::memcache();
if (!$c) {
return false;
if (empty($this->$key)) {
continue;
}
- $ckeys[] = $this->cacheKey($this->tableName(), $key, self::valueString($this->$key));
+ $ckeys[] = self::cacheKey($this->tableName(), $key, self::valueString($this->$key));
} else if ($type == 'K' || $type == 'N') {
$pkey[] = $key;
$pval[] = self::valueString($this->$key);
$pvals = implode(',', $pval);
$pkeys = implode(',', $pkey);
- $ckeys[] = $this->cacheKey($this->tableName(), $pkeys, $pvals);
+ $ckeys[] = self::cacheKey($this->tableName(), $pkeys, $pvals);
return $ckeys;
}
- function multicache($cls, $kv)
+ static function multicache($cls, $kv)
{
ksort($kv);
$c = self::memcache();
static function cachedQuery($cls, $qry, $expiry=3600)
{
- $c = Memcached_DataObject::memcache();
+ $c = self::memcache();
if (!$c) {
$inst = new $cls();
$inst->query($qry);
} else {
$msg = sprintf("DB query (%0.3fs): %s", $delta, $clean);
}
- common_log(LOG_DEBUG, $msg);
+ common_debug($msg);
}
if ($fail) {
'delete',
'update',
'find');
- $ignoreStatic = array('staticGet',
+ $ignoreStatic = array('getKV',
+ 'getClassKV',
'pkeyGet',
+ 'pkeyGetClass',
'cachedQuery');
$here = get_class($this); // if we get confused
$bt = debug_backtrace();
function _connect()
{
- global $_DB_DATAOBJECT;
+ global $_DB_DATAOBJECT, $_PEAR;
$sum = $this->_getDbDsnMD5();
if (!empty($_DB_DATAOBJECT['CONNECTIONS'][$sum]) &&
- !PEAR::isError($_DB_DATAOBJECT['CONNECTIONS'][$sum])) {
+ !$_PEAR->isError($_DB_DATAOBJECT['CONNECTIONS'][$sum])) {
$exists = true;
} else {
$exists = false;
// we'll need some fancier logic here.
if (!$exists && !empty($_DB_DATAOBJECT['CONNECTIONS']) && php_sapi_name() == 'cli') {
foreach ($_DB_DATAOBJECT['CONNECTIONS'] as $index => $conn) {
- if (!empty($conn)) {
+ if ($_PEAR->isError($conn)) {
+ common_log(LOG_WARNING, __METHOD__ . " cannot disconnect failed DB connection: '".$conn->getMessage()."'.");
+ } elseif (!empty($conn)) {
$conn->disconnect();
}
unset($_DB_DATAOBJECT['CONNECTIONS'][$index]);
common_config('db', 'utf8')) {
$conn = $DB->connection;
if (!empty($conn)) {
- if ($DB instanceof DB_mysqli) {
+ if ($DB instanceof DB_mysqli || $DB instanceof MDB2_Driver_mysqli) {
mysqli_set_charset($conn, 'utf8');
- } else if ($DB instanceof DB_mysql) {
+ } else if ($DB instanceof DB_mysql || $DB instanceof MDB2_Driver_mysql) {
mysql_set_charset('utf8', $conn);
}
}
projects / quix0rs-gnu-social.git / blobdiff