add

2026-01-28 23:48:20 +08:00
commit b8cd0c9418
1293 changed files with 184011 additions and 0 deletions
@@ -0,0 +1,49 @@
+<?php
+include '../vendor/autoload.php';
+
+use Smf\ConnectionPool\ConnectionPool;
+use Smf\ConnectionPool\Connectors\PDOConnector;
+
+// Enable coroutine for PDO
+Swoole\Runtime::enableCoroutine();
+
+go(function () {
+    // All PDO connections: [10, 30]
+    $pool = new ConnectionPool(
+        [
+            'minActive'         => 10,
+            'maxActive'         => 30,
+            'maxWaitTime'       => 5,
+            'maxIdleTime'       => 20,
+            'idleCheckInterval' => 10,
+        ],
+        new PDOConnector,
+        [
+            'dsn'      => 'mysql:host=127.0.0.1;port=3306;dbname=mysql;charset=utf8mb4',
+            'username' => 'root',
+            'password' => 'xy123456',
+            'options'  => [
+                \PDO::ATTR_ERRMODE            => \PDO::ERRMODE_EXCEPTION,
+                \PDO::ATTR_DEFAULT_FETCH_MODE => \PDO::FETCH_ASSOC,
+                \PDO::ATTR_TIMEOUT            => 30,
+            ],
+        ]
+    );
+    echo "Initializing connection pool\n";
+    $pool->init();
+    defer(function () use ($pool) {
+        echo "Close connection pool\n";
+        $pool->close();
+    });
+
+    echo "Borrowing the connection from pool\n";
+    /**@var \PDO $connection */
+    $connection = $pool->borrow();
+
+    $statement = $connection->query('SHOW STATUS LIKE "Threads_connected"');
+
+    echo "Return the connection to pool as soon as possible\n";
+    $pool->return($connection);
+
+    var_dump($statement->fetch());
+});