Added queries testing nested joins

Author: Richard Snijders

tests/Query/QOM/QomTestQueries.php

@@ -78,6 +78,23 @@ public static function getQueries(QueryObjectModelFactoryInterface $factory)
                 array(),
                 array());
 
+        // SELECT * FROM [nt:folder] AS folder INNER JOIN [nt:file] AS file ON folder.[prop2]=file.[prop1] INNER JOIN [nt:folder] AS folder2 ON file.[prop1]=folder.[prop2]
+        $queries['6.7.8.EquiJoin.NestedJoin'] =
+            $factory->createQuery(
+                $factory->join(
+                    $factory->join(
+                        $factory->selector('folder', 'nt:folder'),
+                        $factory->selector('file', 'nt:file'),
+                        Constants::JCR_JOIN_TYPE_INNER,
+                        $factory->equiJoinCondition('folder', 'prop2', 'file', 'prop1')
+                    ),
+                    $factory->selector('folder2', 'nt:folder'),
+                    Constants::JCR_JOIN_TYPE_INNER,
+                    $factory->equiJoinCondition('file', 'prop1', 'folder', 'prop2')),
+                null,
+                array(),
+                array());
+
         /*
         * 6.7.9. SameNodeJoinCondition
         */

tests/Query/QOM/Sql2TestQueries.php

@@ -44,6 +44,10 @@ public static function getQueries()
             'SELECT * FROM [nt:file] AS file RIGHT OUTER JOIN [nt:folder] AS folder ON file.prop1=folder.prop2',
             'SELECT * FROM [nt:file] AS file RIGHT OUTER JOIN [nt:folder] AS folder ON file.[prop1]=folder.[prop2]',
         );
+        $queries['6.7.8.EquiJoin.NestedJoin'] = array(
+            'SELECT * FROM [nt:folder] AS folder INNER JOIN [nt:file] AS file ON folder.[prop2]=file.[prop1] INNER JOIN [nt:folder] AS folder2 ON file.[prop1]=folder.[prop2]',
+            'SELECT * FROM [nt:folder] AS folder INNER JOIN [nt:file] AS file ON folder.[prop2]=file.[prop1] INNER JOIN [nt:folder] AS folder2 ON file.[prop1]=folder.[prop2]',
+        );
 
         /*
         * 6.7.9. SameNodeJoinCondition

tests/Query/QuerySql2OperationsTest.php

@@ -190,6 +190,33 @@ public function testQueryJoinWithAlias()
         $this->assertEquals(array(999), $vals);
     }
 
+    public function testQueryJoinNested()
+    {
+        /** @var $query QueryInterface */
+        $query = $this->sharedFixture['qm']->createQuery('
+            SELECT content.longNumber
+            FROM [nt:folder] AS folder
+              INNER JOIN [nt:file] AS file
+                ON ISDESCENDANTNODE(file, folder)
+              INNER JOIN [nt:unstructured] AS content
+                ON ISDESCENDANTNODE(content, file)
+            WHERE content.longNumber = 999
+              AND ISDESCENDANTNODE(folder, [/])
+            ',
+            QueryInterface::JCR_SQL2
+        );
+
+        $this->assertInstanceOf('\PHPCR\Query\QueryInterface', $query);
+        $result = $query->execute();
+        $this->assertInstanceOf('\PHPCR\Query\QueryResultInterface', $result);
+        $vals = array();
+
+        foreach ($result->getRows() as $row) {
+            $vals[] = $row->getValue('content.longNumber');
+        }
+        $this->assertEquals(array(999), $vals);
+    }
+
     public function testQueryLeftJoin()
     {
         /** @var $query QueryInterface */