subquery pagination test

Model/MyModel.php

@@ -426,7 +426,7 @@ class MyModel extends Model {
 			$alias = 'Sub' . $this->alias . '';
 		}
 
-		$fields = array();
+		$fields = array($alias . '.id');
 		$limit = null;
 		switch ($type) {
 			case 'count':

Test/Case/Model/SubqueryTest.php

@@ -0,0 +1,91 @@
+<?php
+App::uses('MyCakeTestCase', 'Tools.TestSuite');
+App::uses('Controller', 'Controller');
+
+/**
+ *
+ * @link http://bakery.cakephp.org/articles/lucaswxp/2011/02/11/easy_and_simple_subquery_cakephp
+ * @link http://www.sql-und-xml.de/sql-tutorial/subqueries-unterabfragen.html
+ */
+class SubqueryTest extends MyCakeTestCase {
+
+	public $fixtures = array('plugin.tools.country', 'plugin.tools.country_province');
+
+	public $Model;
+
+	public function setUp() {
+		$this->Model = ClassRegistry::init('Tools.Country');
+
+		parent::setUp();
+	}
+
+	/**
+	 * SubqueryTest::testSubquery()
+	 *
+	 * @return void
+	 */
+	public function testSubquery() {
+		$res = $this->Model->find('all', array('conditions' => array()));
+		$this->debug(count($res));
+		$this->assertEquals(10, count($res));
+
+		$res = $this->Model->subquery('count');
+		$this->debug($res);
+
+		$res = $this->Model->find('all', array('conditions' => array('lat <=' => $this->Model->subquery('count'))));
+		$this->debug(count($res));
+		$this->assertEquals(0, count($res));
+
+		$subqueryOptions = array('fields' => array('MAX(lat)'));
+		$res = $this->Model->subquery('all', $subqueryOptions);
+		$this->debug($res);
+
+		$subqueryOptions = array('fields' => array('MAX(lat)'));
+		$res = $this->Model->find('all', array('conditions' => array('lat <=' => $this->Model->subquery('first', $subqueryOptions))));
+		$this->debug(count($res));
+		$this->assertEquals(0, count($res));
+
+		$subqueryOptions = array('fields' => array('id'), 'conditions' => array('id'=>1));
+		$res = $this->Model->subquery('first', $subqueryOptions);
+		$this->debug($res);
+
+		$res = $this->Model->find('all', array('conditions' => array('id NOT IN '. $this->Model->subquery('all', $subqueryOptions))));
+		$this->debug(count($res));
+		$this->debug($res);
+		$this->assertEquals(9, count($res));
+	}
+
+	/**
+	 * SubqueryTest::testSubqueryPaginated()
+	 *
+	 * @return void
+	 */
+	public function testSubqueryPaginated() {
+		$Controller = new CountriesTestsController(new CakeRequest(null, false), new CakeResponse());
+		$Controller->constructClasses();
+
+		$subquery = $Controller->Country->subquery('list', array('conditions' => array('NOT' => array('SubCountry.id' => array(1, 2, 3)))));
+		$expected = '(SELECT SubCountry.id FROM `cake_test`.`countries` AS `SubCountry`   WHERE NOT (`SubCountry`.`id` IN (1, 2, 3)))';
+		$this->assertEquals($expected, $subquery);
+
+		$res = $Controller->Country->query($subquery);
+		$this->assertTrue(count($res) === 7);
+
+		$Controller->paginate = array(
+			'conditions' => array('Country.id IN ' . $subquery)
+		);
+
+		$res = $Controller->paginate();
+		$this->assertTrue(count($res) === 7);
+		$this->debug($res);
+	}
+
+}
+
+class CountriesTestsController extends Controller {
+
+	public $uses = array('Tools.Country');
+
+	//public $components = array('Paginator');
+
+}