/**
* Executes Mongo command.
*
* @param array $command command specification.
* @param array $options options in format: "name" => "value"
* @return array database response.
* @throws MongoException on failure.
*/
public function executeCommand($command, array $options = [])
{
$rawQuery = $this->getName() . '.$cmd(' . Json::encode($command) . ', ' . Json::encode($options) . ')';
$token = ['query' => $rawQuery, 'valid' => true, 'cache' => false];
//Log::info($token, __METHOD__);
Trace::beginProfile('mongodb.query', $token);
try {
$result = $this->mongoDb->command($command, $options);
$this->tryResultError($result);
Trace::endProfile('mongodb.query', $token);
Trace::trace('mongodb.query', $token);
return $result;
} catch (\Exception $e) {
$message = $e->getMessage() . "\nThe query being executed was: {$rawQuery}";
Trace::endProfile('mongodb.query', $token);
$token['valid'] = false;
$token['exception'] = defined('ROCK_DEBUG') && ROCK_DEBUG === true ? $e : $message;
Trace::trace('mongodb.query', $token);
throw new MongoException($message, [], 0, $e);
}
}
/**
* End profile.
*
* @param $category
* @param $token
*/
public static function endProfile($category, $token)
{
Trace::endProfile($category, $token);
}
/**
* Sets the transaction isolation level for this transaction.
*
* This method can be used to set the isolation level while the transaction is already active.
* However this is not supported by all DBMS so you might rather specify the isolation level directly
* when calling {@see \rock\db\Transaction::begin()}.
*
* @param string $level The transaction isolation level to use for this transaction.
* This can be one of {@see \rock\db\Transaction::READ_UNCOMMITTED}, {@see \rock\db\Transaction::READ_COMMITTED}, {@see \rock\db\Transaction::REPEATABLE_READ} and {@see \rock\db\Transaction::SERIALIZABLE} but
* also a string containing DBMS specific syntax to be used after `SET TRANSACTION ISOLATION LEVEL`.
* @throws DbException if the transaction is not active
* @see http://en.wikipedia.org/wiki/Isolation_%28database_systems%29#Isolation_levels
*/
public function setIsolationLevel($level)
{
if (!$this->getIsActive()) {
throw new DbException('Failed to set isolation level: transaction was inactive.');
}
Trace::trace('db', ['msg' => 'Setting transaction isolation level to ' . $level, 'method' => __METHOD__]);
$this->connection->getSchema()->setTransactionIsolationLevel($level);
}
protected function getCache($rawQuery, $token, $all, $indexBy, &$cache, &$cacheKey, &$lock = true)
{
/** @var $cache CacheInterface */
if ($this->connection->enableQueryCache) {
$cache = Instance::ensure($this->connection->queryCache, null, [], false);
}
if ($cache instanceof CacheInterface) {
$cacheKey = json_encode([__METHOD__, $this->connection->dsn, $rawQuery]);
if (($result = $cache->get($cacheKey)) !== false) {
Trace::increment('cache.mongodb', 'Cache query MongoDB connection: ' . $this->connection->dsn);
Trace::endProfile('mongodb.query', $token);
$token['cache'] = true;
Trace::trace('mongodb.query', $token);
return is_array($result) ? $this->fetchRowsAsArrayInternal($result, $all, $indexBy) : $result;
}
$lock = $cache->lock($cacheKey);
}
return false;
}
/**
* Closes the currently active DB connection.
* It does nothing if the connection is already closed.
*/
public function close()
{
if ($this->pdo !== null) {
Trace::trace('db', 'Closing DB connection: ' . $this->dsn);
$this->pdo = null;
$this->_schema = null;
$this->_transaction = null;
}
if ($this->_slave) {
$this->_slave->close();
$this->_slave = null;
}
}
/**
* Deletes the file with given _id.
*
* @param mixed $id _id of the file to find.
* @return boolean whether the operation was successful.
* @throws MongoException on failure.
*/
public function delete($id)
{
$token = 'Inserting file uploads into ' . $this->getFullName();
//Log::info($token);
Trace::beginProfile('mongodb.query', $token);
try {
$result = $this->mongoCollection->delete($id);
$this->tryResultError($result);
Trace::endProfile('mongodb.query', $token);
Trace::trace('mongodb.query', $token);
return true;
} catch (\Exception $e) {
$message = $e->getMessage() . "\nThe query being executed was: {$token}";
Trace::endProfile('mongodb.query', $token);
$token['valid'] = false;
$token['exception'] = defined('ROCK_DEBUG') && ROCK_DEBUG === true ? $e : $message;
Trace::trace('mongodb.query', $token);
throw new MongoException($message, [], $e);
}
}
/**
* Closes the currently active DB connection.
* It does nothing if the connection is already closed.
*/
public function close()
{
if ($this->mongoClient !== null) {
Trace::trace('mongodb', 'Closing MongoDB connection: ' . $this->dsn);
$this->mongoClient = null;
$this->_databases = [];
}
}
protected function clearCache($table, $rawSql)
{
$this->_clearCache = function ($connection) use($table, $rawSql) {
/** @var Connection $connection */
if (!$connection->autoClearCache || !($tables = $connection->queryCacheTags ?: [$table])) {
return;
}
/** @var $cache CacheInterface */
$cache = Instance::ensure($connection->queryCache, null, [], false);
if (!$cache instanceof CacheInterface) {
return;
}
$cache->removeMultiTags($tables);
$token = ['dsn' => $connection->dsn, 'sql' => $rawSql, 'message' => "Clear cache by tags: {$table}"];
Trace::trace('cache.db', $token);
};
}
protected function getCache($rawQuery, $token, &$cache, &$cacheKey)
{
$this->calculateCacheParams($this->connection);
/** @var $cache CacheInterface */
if ($this->connection->enableQueryCache) {
$cache = Instance::ensure($this->connection->queryCache, null, [], false);
}
if ($cache instanceof CacheInterface) {
$cacheKey = json_encode([__METHOD__, $this->connection->dsn, $rawQuery]);
if (($result = $cache->get($cacheKey)) !== false) {
Trace::increment('cache.mongodb', 'Cache query MongoDB connection: ' . $this->connection->dsn);
Trace::endProfile('mongodb.query', $token);
$token['cache'] = true;
Trace::trace('mongodb.query', $token);
return $result;
}
}
return false;
}
