42 lines
1.2 KiB
PHP
42 lines
1.2 KiB
PHP
<?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\CoroutinePostgreSQLConnector;
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use Swoole\Coroutine\PostgreSQL;
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go(function () {
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// All PostgreSQL connections: [10, 30]
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$pool = new ConnectionPool(
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[
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'minActive' => 10,
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'maxActive' => 30,
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'maxWaitTime' => 5,
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'maxIdleTime' => 20,
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'idleCheckInterval' => 10,
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],
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new CoroutinePostgreSQLConnector,
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[
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'connection_strings' => 'host=127.0.0.1 port=5432 dbname=postgres user=postgres password=xy123456',
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]
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);
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echo "Initializing connection pool\n";
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$pool->init();
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defer(function () use ($pool) {
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echo "Closing connection pool\n";
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$pool->close();
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});
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echo "Borrowing the connection from pool\n";
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/**@var PostgreSQL $connection */
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$connection = $pool->borrow();
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$result = $connection->query("SELECT * FROM pg_stat_database where datname='postgres';");
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$stat = $connection->fetchAssoc($result);
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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($stat);
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});
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