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<?php |
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namespace Foolz\SphinxQL\Drivers; |
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use Foolz\SphinxQL\Exception\ConnectionException; |
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use Foolz\SphinxQL\Expression; |
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use mysqli; |
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use PDO; |
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abstract class ConnectionBase implements ConnectionInterface |
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{ |
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/** |
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* The connection parameters for the database server. |
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* |
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* @var array |
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*/ |
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protected $connection_params = array('host' => '127.0.0.1', 'port' => 9306, 'socket' => null); |
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/** |
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* Internal connection object. |
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* @var mysqli|PDO |
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*/ |
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protected $connection; |
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/** |
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* Sets one or more connection parameters. |
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* |
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* @param array $params Associative array of parameters and values. |
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*/ |
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public function setParams(array $params) |
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{ |
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foreach ($params as $param => $value) { |
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$this->setParam($param, $value); |
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} |
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} |
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/** |
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* Set a single connection parameter. Valid parameters include: |
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* |
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* * string host - The hostname, IP address, or unix socket |
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* * int port - The port to the host |
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* * array options - MySQLi options/values, as an associative array. Example: array(MYSQLI_OPT_CONNECT_TIMEOUT => 2) |
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* |
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* @param string $param Name of the parameter to modify. |
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* @param mixed $value Value to which the parameter will be set. |
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*/ |
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public function setParam($param, $value) |
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{ |
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if ($param === 'host') { |
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if ($value === 'localhost') { |
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$value = '127.0.0.1'; |
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} elseif (stripos($value, 'unix:') === 0) { |
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$param = 'socket'; |
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} |
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} |
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if ($param === 'socket') { |
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if (stripos($value, 'unix:') === 0) { |
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$value = substr($value, 5); |
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} |
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$this->connection_params['host'] = null; |
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} |
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$this->connection_params[$param] = $value; |
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} |
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/** |
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* Returns the connection parameters (host, port, connection timeout) for the current instance. |
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* |
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* @return array $params The current connection parameters |
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*/ |
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public function getParams() |
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{ |
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return $this->connection_params; |
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} |
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/** |
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* Returns the current connection established. |
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* |
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* @return mysqli|PDO Internal connection object |
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* @throws ConnectionException If no connection has been established or open |
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*/ |
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public function getConnection() |
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{ |
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if (!is_null($this->connection)) { |
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return $this->connection; |
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} |
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throw new ConnectionException('The connection to the server has not been established yet.'); |
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} |
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/** |
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* Adds quotes around values when necessary. |
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* Based on FuelPHP's quoting function. |
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* @inheritdoc |
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*/ |
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public function quote($value) |
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{ |
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if ($value === null) { |
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return 'null'; |
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} elseif ($value === true) { |
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return 1; |
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} elseif ($value === false) { |
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return 0; |
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} elseif ($value instanceof Expression) { |
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// Use the raw expression |
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return $value->value(); |
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} elseif (is_int($value)) { |
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return (int) $value; |
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} elseif (is_float($value)) { |
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// Convert to non-locale aware float to prevent possible commas |
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return sprintf('%F', $value); |
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} elseif (is_array($value)) { |
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// Supports MVA attributes |
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return '('.implode(',', $this->quoteArr($value)).')'; |
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} |
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return $this->escape($value); |
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} |
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/** |
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* @inheritdoc |
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*/ |
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public function quoteArr(array $array = array()) |
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{ |
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$result = array(); |
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foreach ($array as $key => $item) { |
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$result[$key] = $this->quote($item); |
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} |
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return $result; |
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} |
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/** |
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* Closes and unset the connection to the Sphinx server. |
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* |
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* @return $this |
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* @throws ConnectionException |
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*/ |
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public function close() |
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{ |
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$this->connection = null; |
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return $this; |
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} |
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/** |
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* Establishes a connection if needed |
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* @throws ConnectionException |
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*/ |
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protected function ensureConnection() |
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{ |
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try { |
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$this->getConnection(); |
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} catch (ConnectionException $e) { |
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$this->connect(); |
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} |
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} |
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/** |
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161
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* Establishes a connection to the Sphinx server. |
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* |
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* @return bool True if connected |
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* @throws ConnectionException If a connection error was encountered |
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*/ |
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abstract public function connect(); |
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168
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} |
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169
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FoolCode /
SphinxQL-Query-Builder
