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<?php |
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/** |
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* SQL databases adapters implementation. |
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* |
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* @author Maksim Masiukevich <[email protected]> |
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* @license MIT |
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* @license https://opensource.org/licenses/MIT |
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*/ |
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declare(strict_types = 1); |
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namespace ServiceBus\Storage\Sql\AmpPosgreSQL; |
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use Amp\Postgres\PgSqlCommandResult; |
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use Amp\Postgres\PooledResultSet; |
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use Amp\Postgres\PqCommandResult; |
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use Amp\Sql\ResultSet as AmpResultSet; |
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use function Amp\call; |
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use function Amp\Postgres\pool; |
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use Amp\Coroutine; |
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use Amp\Postgres\ConnectionConfig; |
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use Amp\Postgres\Pool; |
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use Amp\Promise; |
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use Psr\Log\LoggerInterface; |
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use Psr\Log\NullLogger; |
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use ServiceBus\Storage\Common\DatabaseAdapter; |
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use ServiceBus\Storage\Common\Exceptions\InvalidConfigurationOptions; |
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use ServiceBus\Storage\Common\StorageConfiguration; |
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/** |
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* @see https://github.com/amphp/postgres |
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*/ |
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final class AmpPostgreSQLAdapter implements DatabaseAdapter |
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{ |
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/** @var StorageConfiguration StorageConfiguration */ |
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private $configuration; |
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/** @var Pool|null */ |
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private $pool = null; |
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/** @var LoggerInterface|NullLogger */ |
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private $logger; |
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/** |
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* @throws \ServiceBus\Storage\Common\Exceptions\InvalidConfigurationOptions |
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*/ |
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public function __construct(StorageConfiguration $configuration, ?LoggerInterface $logger = null) |
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{ |
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// @codeCoverageIgnoreStart |
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if (\extension_loaded('pgsql') === false) |
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{ |
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throw new InvalidConfigurationOptions('ext-pgsql must be installed'); |
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} |
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// @codeCoverageIgnoreEnd |
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$this->configuration = $configuration; |
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$this->logger = $logger ?? new NullLogger(); |
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} |
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public function __destruct() |
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{ |
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/** @psalm-suppress RedundantConditionGivenDocblockType Null in case of error */ |
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if ($this->pool !== null) |
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{ |
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$this->pool->close(); |
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} |
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} |
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/** |
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* {@inheritdoc} |
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* |
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* @psalm-suppress MixedReturnTypeCoercion |
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*/ |
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public function execute(string $queryString, array $parameters = []): Promise |
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{ |
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return call( |
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function () use ($queryString, $parameters) : \Generator |
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{ |
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try |
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{ |
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$this->logger->debug($queryString, $parameters); |
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/** @var AmpResultSet|PgSqlCommandResult|PooledResultSet|PqCommandResult $resultSet */ |
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$resultSet = yield $this->pool()->execute($queryString, $parameters); |
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return new AmpPostgreSQLResultSet($resultSet); |
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} |
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catch (\Throwable $throwable) |
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{ |
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throw adaptAmpThrowable($throwable); |
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} |
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} |
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); |
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} |
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/** |
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* {@inheritdoc} |
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* |
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* @psalm-suppress MixedReturnTypeCoercion |
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*/ |
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public function transactional(callable $function): Promise |
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{ |
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return call( |
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function () use ($function): \Generator |
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{ |
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/** |
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* @psalm-suppress TooManyTemplateParams |
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* |
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* @var \Amp\Postgres\Transaction $originalTransaction |
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*/ |
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$originalTransaction = yield $this->pool()->beginTransaction(); |
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$transaction = new AmpPostgreSQLTransaction($originalTransaction, $this->logger); |
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$this->logger->debug('BEGIN TRANSACTION ISOLATION LEVEL READ COMMITTED'); |
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try |
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{ |
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/** @var \Generator<mixed> $generator */ |
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$generator = $function($transaction); |
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/** |
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* @psalm-suppress MixedArgumentTypeCoercion |
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* @psalm-suppress InvalidArgument |
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*/ |
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yield new Coroutine($generator); |
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yield $transaction->commit(); |
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} |
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catch (\Throwable $throwable) |
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{ |
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yield $transaction->rollback(); |
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throw $throwable; |
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} |
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finally |
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{ |
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unset($transaction); |
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} |
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} |
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); |
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} |
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/** |
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* {@inheritdoc} |
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* |
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* @psalm-suppress MixedReturnTypeCoercion |
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*/ |
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public function transaction(): Promise |
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{ |
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return call( |
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function (): \Generator |
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{ |
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try |
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{ |
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$this->logger->debug('BEGIN TRANSACTION ISOLATION LEVEL READ COMMITTED'); |
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/** @var \Amp\Postgres\Transaction $transaction */ |
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$transaction = yield $this->pool()->beginTransaction(); |
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return new AmpPostgreSQLTransaction($transaction, $this->logger); |
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} |
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// @codeCoverageIgnoreStart |
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catch (\Throwable $throwable) |
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{ |
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throw adaptAmpThrowable($throwable); |
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} |
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// @codeCoverageIgnoreEnd |
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} |
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); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function unescapeBinary($payload): string |
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{ |
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if (\is_resource($payload) === true) |
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{ |
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$payload = \stream_get_contents($payload, -1, 0); |
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} |
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return \pg_unescape_bytea((string) $payload); |
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} |
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/** |
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* Receive connection pool. |
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*/ |
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private function pool(): Pool |
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{ |
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if ($this->pool === null) |
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{ |
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$queryData = $this->configuration->queryParameters; |
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$maxConnectionsCount = (int) ($queryData['max_connections'] ?? Pool::DEFAULT_MAX_CONNECTIONS); |
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$idleTimeout = (int) ($queryData['idle_timeout'] ?? Pool::DEFAULT_IDLE_TIMEOUT); |
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$this->pool = pool( |
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new ConnectionConfig( |
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(string) $this->configuration->host, |
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$this->configuration->port ?? ConnectionConfig::DEFAULT_PORT, |
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$this->configuration->username, |
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$this->configuration->password, |
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1 |
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$this->configuration->databaseName |
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), |
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1 |
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$maxConnectionsCount, |
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1 |
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$idleTimeout |
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); |
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} |
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return $this->pool; |
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} |
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} |
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php-service-bus /
storage
