diff --git a/lib/Doctrine/ORM/Query/ResultSetMapping.php b/lib/Doctrine/ORM/Query/ResultSetMapping.php
index 5c6305e25..68713a7cc 100644
--- a/lib/Doctrine/ORM/Query/ResultSetMapping.php
+++ b/lib/Doctrine/ORM/Query/ResultSetMapping.php
@@ -120,6 +120,7 @@ class ResultSetMapping
      *                      results or joined entity results within this ResultSetMapping.
      * @param string $resultAlias The result alias with which the entity result should be
      *                            placed in the result structure.
+     * @return ResultSetMapping This ResultSetMapping instance.
      *
      * @todo Rename: addRootEntity
      */
@@ -131,6 +132,8 @@ class ResultSetMapping
         if ($resultAlias !== null) {
             $this->isMixed = true;
         }
+        
+        return $this;
     }
 
     /**
@@ -141,13 +144,16 @@ class ResultSetMapping
      * @param string $alias The alias of the entity result or joined entity result the discriminator
      *                      column should be used for.
      * @param string $discrColumn The name of the discriminator column in the SQL result set.
-     *
+     * @return ResultSetMapping This ResultSetMapping instance.
+     * 
      * @todo Rename: addDiscriminatorColumn
      */
     public function setDiscriminatorColumn($alias, $discrColumn)
     {
         $this->discriminatorColumns[$alias] = $discrColumn;
         $this->columnOwnerMap[$discrColumn] = $alias;
+        
+        return $this;
     }
 
     /**
@@ -155,6 +161,7 @@ class ResultSetMapping
      *
      * @param string $alias The alias of an entity result or joined entity result.
      * @param string $fieldName The name of the field to use for indexing.
+     * @return ResultSetMapping This ResultSetMapping instance.
      */
     public function addIndexBy($alias, $fieldName)
     {
@@ -168,6 +175,8 @@ class ResultSetMapping
 
             break;
         }
+        
+        return $this;
 
         /* TODO: check if this exception can be put back, for now it's gone because of assumptions made by some ORM internals
         if ( ! $found) {
@@ -186,11 +195,13 @@ class ResultSetMapping
      * Set to index by a scalar result column name
      *
      * @param $resultColumnName
-     * @return void
+     * @return ResultSetMapping This ResultSetMapping instance.
      */
     public function addIndexByScalar($resultColumnName)
     {
         $this->indexByMap['scalars'] = $resultColumnName;
+        
+        return $this;
     }
 
     /**
@@ -198,11 +209,13 @@ class ResultSetMapping
      *
      * @param $alias
      * @param $resultColumnName
-     * @return void
+     * @return ResultSetMapping This ResultSetMapping instance.
      */
     public function addIndexByColumn($alias, $resultColumnName)
     {
         $this->indexByMap[$alias] = $resultColumnName;
+        
+        return $this;
     }
 
     /**
@@ -242,6 +255,7 @@ class ResultSetMapping
      *                               the field $fieldName is defined on a subclass, specify that here.
      *                               If not specified, the field is assumed to belong to the class
      *                               designated by $alias.
+     * @return ResultSetMapping This ResultSetMapping instance.
      * @todo Rename: addField
      */
     public function addFieldResult($alias, $columnName, $fieldName, $declaringClass = null)
@@ -256,6 +270,8 @@ class ResultSetMapping
         if ( ! $this->isMixed && $this->scalarMappings) {
             $this->isMixed = true;
         }
+        
+        return $this;
     }
 
     /**
@@ -265,6 +281,7 @@ class ResultSetMapping
      * @param string $alias The unique alias to use for the joined entity.
      * @param string $parentAlias The alias of the entity result that is the parent of this joined result.
      * @param object $relation The association field that connects the parent entity result with the joined entity result.
+     * @return ResultSetMapping This ResultSetMapping instance.
      * @todo Rename: addJoinedEntity
      */
     public function addJoinedEntityResult($class, $alias, $parentAlias, $relation)
@@ -272,6 +289,8 @@ class ResultSetMapping
         $this->aliasMap[$alias]       = $class;
         $this->parentAliasMap[$alias] = $parentAlias;
         $this->relationMap[$alias]    = $relation;
+        
+        return $this;
     }
 
     /**
@@ -279,6 +298,7 @@ class ResultSetMapping
      *
      * @param string $columnName The name of the column in the SQL result set.
      * @param string $alias The result alias with which the scalar result should be placed in the result structure.
+     * @return ResultSetMapping This ResultSetMapping instance.
      * @todo Rename: addScalar
      */
     public function addScalarResult($columnName, $alias)
@@ -288,6 +308,8 @@ class ResultSetMapping
         if ( ! $this->isMixed && $this->fieldMappings) {
             $this->isMixed = true;
         }
+        
+        return $this;
     }
 
     /**
@@ -439,6 +461,7 @@ class ResultSetMapping
      * @param string $columnName
      * @param string $fieldName
      * @param bool
+     * @return ResultSetMapping This ResultSetMapping instance.
      */
     public function addMetaResult($alias, $columnName, $fieldName, $isIdentifierColumn = false)
     {
@@ -448,5 +471,7 @@ class ResultSetMapping
         if ($isIdentifierColumn) {
             $this->isIdentifierColumn[$alias][$columnName] = true;
         }
+        
+        return $this;
     }
 }
diff --git a/tests/Doctrine/Tests/ORM/Hydration/ResultSetMappingTest.php b/tests/Doctrine/Tests/ORM/Hydration/ResultSetMappingTest.php
index 562fd4d87..d18c4dbb7 100644
--- a/tests/Doctrine/Tests/ORM/Hydration/ResultSetMappingTest.php
+++ b/tests/Doctrine/Tests/ORM/Hydration/ResultSetMappingTest.php
@@ -14,7 +14,14 @@ require_once __DIR__ . '/../../TestInit.php';
  */
 class ResultSetMappingTest extends \Doctrine\Tests\OrmTestCase
 {
+    /**
+     * @var ResultSetMapping
+     */
     private $_rsm;
+    
+    /**
+     * @var \Doctrine\ORM\EntityManager
+     */
     private $_em;
 
     protected function setUp() {
@@ -56,5 +63,35 @@ class ResultSetMappingTest extends \Doctrine\Tests\OrmTestCase
         $this->assertEquals('username', $this->_rsm->getFieldName('username'));
         $this->assertEquals('name', $this->_rsm->getFieldName('name'));
     }
+    
+    /**
+     * @group DDC-1057
+     * 
+     * Fluent interface test, not a real result set mapping
+     */
+    public function testFluentInterface()
+    {
+        $rms = $this->_rsm;
+        
+        $rms->addEntityResult('Doctrine\Tests\Models\CMS\CmsUser','u')
+            ->addJoinedEntityResult('Doctrine\Tests\Models\CMS\CmsPhonenumber','p','u','phonenumbers')
+            ->addFieldResult('u', 'id', 'id')
+            ->addFieldResult('u', 'name', 'name')
+            ->setDiscriminatorColumn('name', 'name')
+            ->addIndexByColumn('id', 'id')
+            ->addIndexBy('username', 'username')
+            ->addIndexByScalar('sclr0')
+            ->addScalarResult('sclr0', 'numPhones')
+            ->addMetaResult('a', 'user_id', 'user_id');
+        
+        
+        $this->assertTrue($rms->hasIndexBy('id'));
+        $this->assertTrue($rms->isFieldResult('id'));
+        $this->assertTrue($rms->isFieldResult('name'));
+        $this->assertTrue($rms->isScalarResult('sclr0'));
+        $this->assertTrue($rms->isRelation('p'));
+        $this->assertTrue($rms->hasParentAlias('p'));
+        $this->assertTrue($rms->isMixedResult());
+    }
 }