Created
September 11, 2020 11:33
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Symfony Async Query using Process Component
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<?php | |
namespace App\Service; | |
use Doctrine\Common\Collections\ArrayCollection; | |
use Doctrine\ORM\Query\Parameter; | |
use Symfony\Component\Process\Process; | |
/** | |
* Async SQL Query | |
*/ | |
class AsyncQuery | |
{ | |
/** | |
* @var Process[] | |
*/ | |
private array $process = []; | |
private array $sqls = []; | |
private array $result = []; | |
/** | |
* Add SQL | |
*/ | |
public function addSql(string $uid, string $sql, array $parameters = [], array $type = []): void | |
{ | |
if ($parameters instanceof ArrayCollection) { | |
$parameters = $parameters->map(static function (Parameter $param) { | |
return $param->getValue(); | |
})->toArray(); | |
} | |
$this->sqls[$uid] = [ | |
'query' => $sql, | |
'param' => $parameters, | |
'type' => $type | |
]; | |
} | |
/** | |
* Non-Blocking Process in Background | |
*/ | |
public function start(): void | |
{ | |
foreach ($this->sqls as $uid => $sql) { | |
$process = Process::fromShellCommandline(sprintf('bin/console app:run-query --sql=%s --param=%s --type=%s', | |
base64_encode($sql['query']), | |
base64_encode(serialize($sql['param'])), | |
base64_encode(serialize($sql['type']))) | |
, getcwd() . '/../'); | |
$process->setTimeout(180); | |
$process->start(); | |
$this->process[$uid] = $process; | |
} | |
} | |
/** | |
* Wait for all Process to complete. | |
*/ | |
public function startAndWait(): void | |
{ | |
$this->start(); | |
foreach ($this->process as $process) { | |
$process->wait(); | |
} | |
} | |
/** | |
* Get results of all Process. | |
*/ | |
public function getResult(): array | |
{ | |
foreach ($this->process as $uid => $process) { | |
try { | |
$this->result[$uid] = $process->isSuccessful() ? unserialize(trim($process->getOutput())) : $process->getErrorOutput(); | |
} catch (\Exception $e) { | |
$this->result[$uid] = $e->getMessage() . PHP_EOL . $process->getOutput(); | |
} | |
} | |
return $this->result; | |
} | |
} |
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<?php | |
namespace App\Command; | |
use Doctrine\DBAL\Connection; | |
use Doctrine\DBAL\DBALException; | |
use Symfony\Component\Console\Command\Command; | |
use Symfony\Component\Console\Input\InputInterface; | |
use Symfony\Component\Console\Input\InputOption; | |
use Symfony\Component\Console\Output\OutputInterface; | |
/** | |
* Run Background SQL Query | |
*/ | |
class RunQueryCommand extends Command | |
{ | |
protected static $defaultName = 'app:run-query'; | |
/** | |
* @var Connection | |
*/ | |
private Connection $connection; | |
public function __construct(Connection $connection) | |
{ | |
parent::__construct(); | |
$this->connection = $connection; | |
} | |
protected function configure() | |
{ | |
$this | |
->setDescription('Executes SQL commands in the background.') | |
->addOption('sql', null, InputOption::VALUE_OPTIONAL, 'SQL Query', false) | |
->addOption('param', null, InputOption::VALUE_OPTIONAL, 'Query Parameter', false) | |
->addOption('type', null, InputOption::VALUE_OPTIONAL, 'Parameter Type', false); | |
} | |
protected function execute(InputInterface $input, OutputInterface $output) | |
{ | |
if ($input->getOption('sql') !== false) { | |
$output->write($this->runSql( | |
base64_decode($input->getOption('sql')), | |
unserialize(base64_decode($input->getOption('param'))), | |
unserialize(base64_decode($input->getOption('type'))), | |
)); | |
} | |
return 0; | |
} | |
private function runSql(string $queryStr, array $parameters, $type = []) | |
{ | |
try { | |
$query = $this->connection->executeQuery($queryStr, $parameters, $type); | |
} catch (DBALException $e) { | |
return $e->getMessage(); | |
} | |
return serialize($query->fetchAll()); | |
} | |
} |
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