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<?php |
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/** |
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* Clustered MySQL |
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* User: moyo |
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* Date: 02/11/2017 |
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* Time: 12:05 PM |
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*/ |
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namespace Carno\Database\Clusters; |
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use Carno\Cluster\Classify\Scenes; |
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use Carno\Cluster\Contracts\Tags; |
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use Carno\Cluster\Managed; |
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use Carno\Cluster\Resources; |
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use Carno\Database\Chips\SQLDetector; |
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use Carno\Database\Chips\SQLExecutor; |
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use Carno\Database\Chips\TransactionGuard; |
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use Carno\Database\Connectors\MySQL as Connector; |
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use Carno\Database\Contracts\Executable; |
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use Carno\Database\Options\Timeouts; |
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use Carno\DSN\DSN; |
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use Carno\Net\Endpoint; |
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use Carno\Pool\Options; |
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use Carno\Pool\Pool; |
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use Carno\Promise\Promised; |
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abstract class MySQL extends Managed implements Executable |
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{ |
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use SQLDetector, SQLExecutor, TransactionGuard; |
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/** |
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* @var array |
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*/ |
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protected $tags = [Tags::MASTER, Tags::SLAVE]; |
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/** |
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* @var string |
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*/ |
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protected $type = 'mysql'; |
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/** |
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* @var int |
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*/ |
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protected $port = 3306; |
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/** |
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* @var int |
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*/ |
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protected $timeout = 8500; |
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/** |
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* MySQL constructor. |
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* @param Resources $resources |
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*/ |
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public function __construct(Resources $resources) |
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{ |
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$resources->initialize(Scenes::RESOURCE, $this->type, $this->server, $this); |
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} |
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/** |
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* @param Endpoint $endpoint |
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* @return Options |
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*/ |
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abstract protected function options(Endpoint $endpoint) : Options; |
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/** |
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* @param Endpoint $endpoint |
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* @return Pool |
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*/ |
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protected function connecting(Endpoint $endpoint) : Pool |
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{ |
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$vid = "{$this->type}:{$this->server}"; |
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$dsn = new DSN($endpoint->address()->host()); |
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$timeouts = new Timeouts( |
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$dsn->option('connect', 1500), |
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$dsn->option('execute', $this->timeout) |
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); |
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return new Pool($this->options($endpoint), static function () use ($timeouts, $dsn, $vid) { |
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return new Connector( |
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$dsn->host(), |
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$dsn->port() ?: 3306, |
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$dsn->user(), |
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$dsn->pass(), |
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$dsn->path(), |
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$dsn->option('charset', 'utf8mb4'), |
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$timeouts, |
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$vid |
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); |
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}, $vid); |
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} |
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/** |
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* @param Pool $connected |
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* @return Promised |
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*/ |
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protected function disconnecting($connected) : Promised |
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{ |
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return $connected->shutdown(); |
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} |
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/** |
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* @param string $sql |
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* @return Pool |
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*/ |
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protected function assigned(string $sql = '') : Pool |
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{ |
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return $this->picking( |
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$this->clustered() && $this->readonly($sql) |
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? Tags::SLAVE |
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: Tags::MASTER |
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); |
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} |
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} |
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carno-php /
database
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