[DDC-1148] Implement auto-inference of types in setParameter.

lib/Doctrine/ORM/AbstractQuery.php

@@ -195,10 +195,13 @@ abstract class AbstractQuery
      */
     public function setParameter($key, $value, $type = null)
     {
-        if ($type !== null) {
-            $this->_paramTypes[$key] = $type;
+        if ($type === null) {
+            $type = Query\ParameterTypeInferer::inferType($value);
         }
+        
+        $this->_paramTypes[$key] = $type;
         $this->_params[$key] = $value;
+        
         return $this;
     }
 

lib/Doctrine/ORM/Query/ParameterTypeInferer.php

@@ -0,0 +1,72 @@
+<?php
+/*
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * 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.
+ *
+ * This software consists of voluntary contributions made by many individuals
+ * and is licensed under the LGPL. For more information, see
+ * <http://www.doctrine-project.org>.
+ */
+
+namespace Doctrine\ORM\Query;
+
+use Doctrine\DBAL\Connection,
+    Doctrine\DBAL\Types\Type;
+
+/**
+ * Provides an enclosed support for parameter infering.
+ *
+ * @license http://www.opensource.org/licenses/lgpl-license.php LGPL
+ * @link    www.doctrine-project.org
+ * @since   2.0
+ * @author  Benjamin Eberlei <kontakt@beberlei.de>
+ * @author  Guilherme Blanco <guilhermeblanco@hotmail.com>
+ * @author  Jonathan Wage <jonwage@gmail.com>
+ * @author  Roman Borschel <roman@code-factory.org>
+ */
+class ParameterTypeInferer
+{
+    /**
+     * Infer type of a given value, returning a compatible constant:
+     * - Type (Doctrine\DBAL\Types\Type::*) 
+     * - Connection (Doctrine\DBAL\Connection::PARAM_*)
+     * 
+     * @param mixed $value Parameter value
+     * 
+     * @return mixed Parameter type constant
+     */
+    public static function inferType($value)
+    {
+        switch (true) {
+            case is_integer($value):
+                return Type::INTEGER;
+
+            case ($value instanceof \DateTime):
+                return Type::DATETIME;
+
+            case is_array($value):
+                $key = key($value);
+
+                if (is_integer($value[$key])) {
+                    return Connection::PARAM_INT_ARRAY;
+                }
+
+                return Connection::PARAM_STR_ARRAY;
+
+            default:
+                // Do nothing
+                break;
+        }
+
+        return \PDO::PARAM_STR;
+    }
+}

lib/Doctrine/ORM/QueryBuilder.php

@@ -256,10 +256,13 @@ class QueryBuilder
      */
     public function setParameter($key, $value, $type = null)
     {
-        if ($type !== null) {
-            $this->_paramTypes[$key] = $type;
+        if ($type === null) {
+            $type = Query\ParameterTypeInferer::inferType($value);
         }
+        
+        $this->_paramTypes[$key] = $type;
         $this->_params[$key] = $value;
+        
         return $this;
     }
     

tests/Doctrine/Tests/ORM/Functional/QueryTest.php

@@ -2,6 +2,7 @@
 
 namespace Doctrine\Tests\ORM\Functional;
 
+use Doctrine\DBAL\Connection;
 use Doctrine\Tests\Models\CMS\CmsUser,
     Doctrine\Tests\Models\CMS\CmsArticle;
 use Doctrine\ORM\Mapping\ClassMetadata;
@@ -455,4 +456,35 @@ class QueryTest extends \Doctrine\Tests\OrmFunctionalTestCase
         $query = $this->_em->createQuery("select u.username from Doctrine\Tests\Models\CMS\CmsUser u where u.username = 'gblanco'");
         $this->assertNull($query->getOneOrNullResult(Query::HYDRATE_SCALAR));
     }
+    
+    public function testDqlWithAutoInferOfParameters()
+    {
+        $user = new CmsUser;
+        $user->name = 'Benjamin';
+        $user->username = 'beberlei';
+        $user->status = 'developer';
+        $this->_em->persist($user);
+        
+        $user = new CmsUser;
+        $user->name = 'Roman';
+        $user->username = 'romanb';
+        $user->status = 'developer';
+        $this->_em->persist($user);
+        
+        $user = new CmsUser;
+        $user->name = 'Jonathan';
+        $user->username = 'jwage';
+        $user->status = 'developer';
+        $this->_em->persist($user);
+        
+        $this->_em->flush();
+        $this->_em->clear();
+        
+        $query = $this->_em->createQuery("SELECT u FROM Doctrine\Tests\Models\CMS\CmsUser u WHERE u.username IN (?0)");
+        $query->setParameter(0, array('beberlei', 'jwage'));
+        
+        $users = $query->execute();
+        
+        $this->assertEquals(2, count($users));
+    }
 }

tests/Doctrine/Tests/ORM/Tools/EntityGeneratorTest.php

@@ -122,7 +122,7 @@ class EntityGeneratorTest extends \Doctrine\Tests\OrmTestCase
         
         $this->_generator->writeEntityClass($metadata, $this->_tmpDir);
 
-        $this->assertFileExists($this->_tmpDir . "/" . $this->_namespace . "/~EntityGeneratorBook.php");
+        $this->assertFileExists($this->_tmpDir . "/" . $this->_namespace . "/EntityGeneratorBook.php~");
 
         $book = $this->newInstance($metadata);
         $reflClass = new \ReflectionClass($metadata->name);