Handle SubQuery in ref_clause (#324)

* Fix: Tests.

* Fix issue #322.

* Fix: Handle SubQuery in ref_clause.

Author: Herz3h

src/PHPSQLParser/builders/FromBuilder.php

@@ -31,12 +31,12 @@
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- * 
+ *
  * @author    André Rothe <andre.rothe@phosco.info>
  * @copyright 2010-2014 Justin Swanhart and André Rothe
  * @license   http://www.debian.org/misc/bsd.license  BSD License (3 Clause)
  * @version   SVN: $Id$
- * 
+ *
  */
 
 namespace PHPSQLParser\builders;
@@ -48,7 +48,7 @@
  *
  * @author  André Rothe <andre.rothe@phosco.info>
  * @license http://www.debian.org/misc/bsd.license  BSD License (3 Clause)
- *  
+ *
  */
 class FromBuilder implements Builder {
 

src/PHPSQLParser/builders/RefClauseBuilder.php

@@ -31,24 +31,24 @@
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- * 
+ *
  * @author    André Rothe <andre.rothe@phosco.info>
  * @copyright 2010-2014 Justin Swanhart and André Rothe
  * @license   http://www.debian.org/misc/bsd.license  BSD License (3 Clause)
  * @version   SVN: $Id$
- * 
+ *
  */
 
 namespace PHPSQLParser\builders;
 use PHPSQLParser\exceptions\UnableToCreateSQLException;
 
 /**
- * This class implements the references clause within a JOIN. 
+ * This class implements the references clause within a JOIN.
  * You can overwrite all functions to achieve another handling.
  *
  * @author  André Rothe <andre.rothe@phosco.info>
  * @license http://www.debian.org/misc/bsd.license  BSD License (3 Clause)
- *  
+ *
  */
 class RefClauseBuilder implements Builder {
 
@@ -86,7 +86,12 @@ protected function buildColumnList($parsed) {
         $builder = new ColumnListBuilder();
         return $builder->build($parsed);
     }
-    
+
+    protected function buildSubQuery($parsed) {
+        $builder = new SubQueryBuilder();
+        return $builder->build($parsed);
+    }
+
     public function build(array $parsed) {
         if ($parsed === false) {
             return '';
@@ -101,6 +106,7 @@ public function build(array $parsed) {
             $sql .= $this->buildBracketExpression($v);
             $sql .= $this->buildInList($v);
             $sql .= $this->buildColumnList($v);
+            $sql .= $this->buildSubQuery($v);
 
             if ($len == strlen($sql)) {
                 throw new UnableToCreateSQLException('expression ref_clause', $k, $v, 'expr_type');

src/PHPSQLParser/builders/TableBuilder.php

@@ -31,24 +31,24 @@
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- * 
+ *
  * @author    André Rothe <andre.rothe@phosco.info>
  * @copyright 2010-2014 Justin Swanhart and André Rothe
  * @license   http://www.debian.org/misc/bsd.license  BSD License (3 Clause)
  * @version   SVN: $Id$
- * 
+ *
  */
 
 namespace PHPSQLParser\builders;
 use PHPSQLParser\utils\ExpressionType;
 
 /**
- * This class implements the builder for the table name and join options. 
+ * This class implements the builder for the table name and join options.
  * You can overwrite all functions to achieve another handling.
  *
  * @author  André Rothe <andre.rothe@phosco.info>
  * @license http://www.debian.org/misc/bsd.license  BSD License (3 Clause)
- *  
+ *
  */
 class TableBuilder implements Builder {
 

src/PHPSQLParser/builders/WhereExpressionBuilder.php

@@ -119,7 +119,7 @@ public function build(array $parsed) {
             $sql .= $this->buildUserVariable($v);
             $sql .= $this->buildSubQuery($v);
             $sql .= $this->buildReserved($v);
-            
+
             if ($len == strlen($sql)) {
                 throw new UnableToCreateSQLException('WHERE expression subtree', $k, $v, 'expr_type');
             }

tests/cases/creator/leftTest.php

@@ -31,19 +31,19 @@
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- * 
+ *
  * @author    André Rothe <andre.rothe@phosco.info>
  * @copyright 2010-2014 Justin Swanhart and André Rothe
  * @license   http://www.debian.org/misc/bsd.license  BSD License (3 Clause)
  * @version   SVN: $Id$
- * 
+ *
  */
 namespace PHPSQLParser\Test\Creator;
 use PHPSQLParser\PHPSQLParser;
 use PHPSQLParser\PHPSQLCreator;
 
 class leftTest extends \PHPUnit_Framework_TestCase {
-	
+
     public function testLeft() {
         $sql = 'SELECT *
             FROM (t1 LEFT JOIN t2 ON t1.a=t2.a)
@@ -56,5 +56,15 @@ public function testLeft() {
         $this->assertSame($expected, $created, 'left joins and table-expression');
 
     }
+
+    public function testLeftIn() {
+        $sql = 'SELECT *
+            FROM (t1 LEFT JOIN t2 ON t1.a=t2.a)
+                 LEFT JOIN t3
+                 ON t3.id IN (SELECT id FROM t4)';
+        $parser = new PHPSQLParser($sql);
+        $creator = new PHPSQLCreator($parser->parsed);
+        $created = $creator->created;
+    }
 }