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49 lines
1.4 KiB
49 lines
1.4 KiB
<?php
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include '../vendor/autoload.php';
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use Smf\ConnectionPool\ConnectionPool;
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use Smf\ConnectionPool\Connectors\PDOConnector;
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// Enable coroutine for PDO
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Swoole\Runtime::enableCoroutine();
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go(function () {
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// All PDO connections: [10, 30]
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$pool = new ConnectionPool(
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[
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'minActive' => 10,
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'maxActive' => 30,
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'maxWaitTime' => 5,
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'maxIdleTime' => 20,
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'idleCheckInterval' => 10,
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],
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new PDOConnector,
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[
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'dsn' => 'mysql:host=127.0.0.1;port=3306;dbname=mysql;charset=utf8mb4',
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'username' => 'root',
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'password' => 'xy123456',
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'options' => [
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\PDO::ATTR_ERRMODE => \PDO::ERRMODE_EXCEPTION,
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\PDO::ATTR_DEFAULT_FETCH_MODE => \PDO::FETCH_ASSOC,
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\PDO::ATTR_TIMEOUT => 30,
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],
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]
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);
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echo "Initializing connection pool\n";
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$pool->init();
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defer(function () use ($pool) {
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echo "Close connection pool\n";
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$pool->close();
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});
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echo "Borrowing the connection from pool\n";
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/**@var \PDO $connection */
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$connection = $pool->borrow();
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$statement = $connection->query('SHOW STATUS LIKE "Threads_connected"');
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echo "Return the connection to pool as soon as possible\n";
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$pool->return($connection);
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var_dump($statement->fetch());
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});
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