update to 2.5.0-b3 (build 410)

src/ZM/MySQL/MySQLPool.php

@@ -0,0 +1,37 @@
+<?php /** @noinspection PhpComposerExtensionStubsInspection */
+
+/** @noinspection PhpReturnDocTypeMismatchInspection */
+
+
+namespace ZM\MySQL;
+
+
+use PDO;
+use Swoole\Database\PDOConfig;
+use Swoole\Database\PDOPool;
+use Swoole\Database\PDOProxy;
+
+class MySQLPool extends PDOPool
+{
+    private $count = 0;
+
+    public function __construct(PDOConfig $config, int $size = self::DEFAULT_SIZE) {
+        parent::__construct($config, $size);
+    }
+
+    /**
+     * @return PDO|PDOProxy|void
+     */
+    public function getConnection() {
+        $this->count++;
+        return parent::get();
+    }
+
+    /**
+     * @param PDO|PDOProxy $connection
+     */
+    public function putConnection($connection) {
+        $this->count--;
+        parent::put($connection);
+    }
+}