Fluent: fixed TypeError, query() may return Result|int

src/Dibi/Fluent.php

@@ -384,7 +384,10 @@ class Fluent implements IDataSource
 	}
 
 
-	private function query($args): Result
+	/**
+	 * @return Result|int
+	 */
+	private function query($args)
 	{
 		$res = $this->connection->query($args);
 		foreach ($this->setups as $setup) {

tests/dibi/Fluent.fetch.phpt

@@ -50,3 +50,8 @@ if (!in_array($config['system'], ['odbc', 'sqlsrv'], true)) {
 		],
 	], $res->fetchAssoc('name,title'));
 }
+
+
+// affected rows
+$res = $conn->update('products', ['title' => 'new'])->execute();
+Assert::same(3, $res);