DibiFluent: prevents doubled processing

dibi/libs/DibiFluent.php

@@ -187,6 +187,7 @@ class DibiFluent extends DibiObject implements IDataSource
 
 		foreach ($args as $arg) {
 			if ($arg instanceof self) {
+				$this->cursor[] = '%SQL';
 				$arg = "($arg)";
 			}
 			$this->cursor[] = $arg;

tests/dibi/DibiFluent.select.phpt

@@ -1,5 +1,9 @@
 <?php
 
+/**
+ * @dataProvider ../databases.ini
+ */
+
 use Tester\Assert;
 
 require __DIR__ . '/bootstrap.php';