diff --git a/model/MongoDbCommand.php b/model/MongoDbCommand.php
index 0af1575..288f32c 100644
--- a/model/MongoDbCommand.php
+++ b/model/MongoDbCommand.php
@@ -92,9 +92,13 @@ class InsertMongoCommand extends MongoDbCommand
 
     protected $safe = true;
 
+    protected $insertId = false;
+
     protected function concreteExecute()
     {
-        return $this->collection->insert($this->data, array('safe' => $this->safe));
+        $result = $this->collection->insert($this->data, array('safe' => $this->safe));
+        $this->insertId = $this->data['_id'];
+        return $result;
     }
 
     protected function checkParams()
@@ -105,6 +109,11 @@ class InsertMongoCommand extends MongoDbCommand
             return false;
         }
     }
+
+    public function getInsertId()
+    {
+        return $this->insertId;
+    }
 }
 
 class UpdateMongoCommand extends MongoDbCommand
diff --git a/model/MongoDriver.php b/model/MongoDriver.php
index 4d1219b..76efee2 100644
--- a/model/MongoDriver.php
+++ b/model/MongoDriver.php
@@ -55,8 +55,9 @@ class MongoDriver extends NoSqlDbDriver
             'data' => $data,
             'safe' => $safe
         );
-
-        return $this->query($command, $params)->affectedRows();
+        $result = $this->query($command, $params);
+        $this->last_insert_id = $result->getInsertId();
+        return $result->affectedRows();
     }
 
     public function update($collection, $data, $condition = array(), $multiple = true, $upsert = false, $safe = true)
diff --git a/model/MongoModel.php b/model/MongoModel.php
index 02fc56e..6b050bb 100644
--- a/model/MongoModel.php
+++ b/model/MongoModel.php
@@ -13,26 +13,11 @@
 abstract class MongoModel extends Model
 {
 
-    public function find($condition)
+    public function find($condition = array())
     {
         return $this->db->find($this->table(), $condition);
     }
 
-    protected  function order(MongoStatement $cursor, $sort = array())
-    {
-        return $cursor->sort($sort);
-    }
-
-    protected  function skip(MongoStatement $cursor, $skip = 0)
-    {
-        return $cursor->skip($skip);
-    }
-
-    protected  function limit(MongoStatement $cursor, $limit = 0)
-    {
-        return $cursor->limit($limit);
-    }
-
     public function get($id)
     {
         return $this->db->get($this->table(), array('_id' => $id))->fetch();
@@ -40,7 +25,7 @@ abstract class MongoModel extends Model
 
     public function delete($id)
     {
-        return $this->db->delete($this->table(), array('id' => $id));
+        return $this->db->delete($this->table(), array('_id' => $id));
     }
 
     protected function fetchField($data, $params = array(), $field, $cache_key = null)
diff --git a/model/MongoStatement.php b/model/MongoStatement.php
index 8b86913..c3b5f13 100644
--- a/model/MongoStatement.php
+++ b/model/MongoStatement.php
@@ -14,6 +14,8 @@
 class MongoStatement extends DbStatement
 {
 
+    protected $insertId = false;
+
     public  function order($sort = array())
     {
         if ($this->result instanceof MongoCursor) {
@@ -133,6 +135,9 @@ class MongoStatement extends DbStatement
             if ($result instanceof MongoCursor || is_array($result)) {
                 $this->result = $result;
             }
+            if($request instanceof InsertMongoCommand) {
+                $this->insertId = $request->getInsertId();
+            }
             return true;
         } else {
             throw new Exception('No connection to MongoDB server.');
@@ -148,4 +153,9 @@ class MongoStatement extends DbStatement
     {
         return $this->request;
     }
+
+    public function getInsertId()
+    {
+        return $this->insertId;
+    }
 }
\ No newline at end of file
diff --git a/tests/model/MongoDbCommandTest.php b/tests/model/MongoDbCommandTest.php
index c540240..a1cc437 100644
--- a/tests/model/MongoDbCommandTest.php
+++ b/tests/model/MongoDbCommandTest.php
@@ -65,6 +65,28 @@ class MongoDbCommandTest extends PHPUnit_Framework_TestCase
         $cmd->bindParam('condition', array('name' => 'bread'))->bindParam('fields', array());
         $result = $cmd->execute();
         $this->assertEquals(0, $result->count());
+        $cmd = MongoCommandBuilder::factory(MongoCommandBuilder::INSERT, $this->collection);
+        $cmd
+                ->bindParam('data', array('name' => 'insert'))
+                ->bindParam('safe', true);
+        $cmd->execute();
+        $cmd = MongoCommandBuilder::factory(MongoCommandBuilder::INSERT, $this->collection);
+        $cmd
+                ->bindParam('data', array('name' => 'insert'))
+                ->bindParam('safe', true);
+        $cmd->execute();
+
+        $cmd = MongoCommandBuilder::factory(MongoCommandBuilder::FIND, $this->collection);
+        $cmd->bindParam('condition', array('name' => 'insert'))->bindParam('fields', array());
+        $this->assertEquals(2, $cmd->execute()->count());
+
+        $cmd
+                ->bindParam('condition', array('name' => 'insert'))
+                ->bindParam('fields', array())
+                ->bindParam('multiple', false);
+        
+        $result = $cmd->execute();
+        $this->assertEquals('insert', $result['name']);
     }
 
     /**
@@ -81,10 +103,15 @@ class MongoDbCommandTest extends PHPUnit_Framework_TestCase
     public function testInsertCommand()
     {
         $cmd = MongoCommandBuilder::factory(MongoCommandBuilder::INSERT, $this->collection);
+
         $cmd
                 ->bindParam('data', array('name' => 'insert'))
                 ->bindParam('safe', true);
+
+        $this->assertFalse($cmd->getInsertId());
+
         $this->assertArrayHasKey('n', $cmd->execute());
+        $this->assertNotEmpty($cmd->getInsertId());
 
         $cmd = MongoCommandBuilder::factory(MongoCommandBuilder::FIND, $this->collection);
         $cmd->bindParam('condition', array('name' => 'insert'))->bindParam('fields', array());
@@ -172,5 +199,4 @@ class MongoDbCommandTest extends PHPUnit_Framework_TestCase
         $cmd = MongoCommandBuilder::factory(MongoCommandBuilder::REMOVE, $this->collection);
         $cmd->execute();
     }
-
 }
diff --git a/tests/model/MongoDriverTest.php b/tests/model/MongoDriverTest.php
index 5bbd441..da61ebc 100644
--- a/tests/model/MongoDriverTest.php
+++ b/tests/model/MongoDriverTest.php
@@ -219,12 +219,32 @@ class MongoDriverTest extends PHPUnit_Framework_TestCase
         $mongo = new MongoDriver($this->conf);
         $this->assertEquals(1, $mongo->find('items', array('name' => 'bread'))->numRows());
         $this->assertEquals(0, $mongo->insert('items', array('name' => 'bread')));
-        //$this->assertNotEmpty($mongo->getInsertId());
+        $this->assertNotEmpty($mongo->getInsertId());
         $this->assertEquals(2, $mongo->find('items', array('name' => 'bread'))->numRows());
         $this->assertEquals(0, $mongo->insert('items', array('name' => 'meat', 'weight' => 230)));
         $this->assertEquals(230, $mongo->get('items', array('name' => 'meat'))->fetch()->weight);
     }
 
+    public function testGetInsertId()
+    {
+        if (!defined('DEBUG')) {
+            define('DEBUG', false);
+        }
+        
+        $mongo = new MongoDriver($this->conf);
+        $this->assertEquals(0, $mongo->getInsertId());
+        $this->assertEquals(1, $mongo->find('items', array('name' => 'bread'))->numRows());
+        $this->assertEquals(0, $mongo->insert('items', array('name' => 'bread')));
+        $this->assertEquals(2, $mongo->find('items', array('name' => 'bread'))->numRows());
+        $id1 = $mongo->getInsertId();
+        $this->assertNotEmpty($id1);
+        $this->assertEquals(0, $mongo->insert('items', array('name' => 'bread')));
+        $id2 = $mongo->getInsertId();
+        $this->assertNotEmpty($id2);
+        $this->assertNotEquals($id1, $id2);
+        $this->assertEquals(3, $mongo->find('items', array('name' => 'bread'))->numRows());
+    }
+
     /**
      * @runInSeparateProcess
      */
diff --git a/tests/model/MongoStatementTest.php b/tests/model/MongoStatementTest.php
index c7e10c1..81eba4a 100644
--- a/tests/model/MongoStatementTest.php
+++ b/tests/model/MongoStatementTest.php
@@ -48,7 +48,7 @@ class MongoStatementTest extends PHPUnit_Framework_TestCase
                     ->getMock();
             $this->request = $this->getMockBuilder('MongoDbCommandMock')
                     ->disableOriginalConstructor()
-                    ->setMethods(array('execute', 'bindParam'))
+                    ->setMethods(array('execute', 'bindParam', 'getInsertId'))
                     ->getMock();
             $this->stmt = new MongoStatement($this->driver, $this->request);
         }
@@ -84,13 +84,42 @@ class MongoStatementTest extends PHPUnit_Framework_TestCase
         }
         $this->setDriverGetConnectionMethod();
         $this->request
-                ->expects($this->any())
+                ->expects($this->once())
                 ->method('execute')
                 ->will($this->returnValue(array('n' => 20, 'ok' => 1)));
         $this->stmt->execute();
         $this->assertEquals(20, $this->stmt->affectedRows());
     }
 
+    /**
+     * @runInSeparateProcess
+     */
+    public function testGetInsertId()
+    {
+        if (!defined('DEBUG')) {
+            define('DEBUG', false);
+        }
+        $this->setDriverGetConnectionMethod();
+
+        $this->request = $this->getMockBuilder('InsertMongoCommand')
+                ->disableOriginalConstructor()
+                ->setMethods(array('execute', 'bindParam', 'getInsertId'))
+                ->getMock();
+
+        $this->request
+                ->expects($this->once())
+                ->method('execute')
+                ->will($this->returnValue(array('n' => 20, 'ok' => 1)));
+        $this->request
+                ->expects($this->once())
+                ->method('getInsertId')
+                ->will($this->returnValue('4b0rrs'));
+
+        $this->stmt = new MongoStatement($this->driver, $this->request);
+
+        $this->stmt->execute();
+        $this->assertEquals('4b0rrs', $this->stmt->getInsertId());
+    }
 
     /**
      * @runInSeparateProcess
@@ -286,6 +315,8 @@ class MongoStatementTest extends PHPUnit_Framework_TestCase
 
         $this->stmt->execute();
         $this->assertInstanceOf('MongoStatement', $this->stmt->order(array('id' => 1)));
+        $this->assertInstanceOf('MongoStatement', $this->stmt->limit(10));
+        $this->assertInstanceOf('MongoStatement', $this->stmt->skip(1));
 
         $this->stmt->fetch();
         $this->stmt->fetch();
@@ -368,7 +399,7 @@ class MongoStatementTest extends PHPUnit_Framework_TestCase
                 ->setMethods(array('count'))
                 ->disableOriginalConstructor()
                 ->getMock();
-        
+
         $resultMock
                 ->expects($this->any())
                 ->method('count')
@@ -381,7 +412,7 @@ class MongoStatementTest extends PHPUnit_Framework_TestCase
 
         return $this;
     }
-    
+
     public function setRequestForFetch()
     {
         $resultMock = $this->getMockBuilder('MongoCursor')
diff --git a/tests/model/MyDbDriver.php b/tests/model/MyDbDriver.php
new file mode 100644
index 0000000..c11fb17
--- /dev/null
+++ b/tests/model/MyDbDriver.php
@@ -0,0 +1,60 @@
+<?php
+
+abstract class MyDbDriver extends DbDriver
+{
+    public function getInsertId($table = null, $key = null)
+    {
+        return true;
+    }
+
+    public function quoteIdentifier($param)
+    {
+        return $param;
+    }
+
+    public function quote($param)
+    {
+        return $param;
+    }
+
+    public function insert($table, $bind, $on_duplicate = array())
+    {
+        return $table;
+    }
+
+    public function update($table, $bind, $where = '')
+    {
+        return $table;
+    }
+
+    public function delete($table, $where = '')
+    {
+        return $table;
+    }
+
+    public function query($sql, $params = array())
+    {
+        $conf = array('driver' => 'MockDbDriver', 'hostname' => 'somehost', 'database' => 'db', 'username' => 'test', 'password' => '1234');
+        return new MockDbDriver($conf);
+    }
+
+    public function execute()
+    {
+        return true;
+    }
+
+    public function fetch()
+    {
+        return true;
+    }
+
+    public function fetchField($field)
+    {
+        return $field;
+    }
+
+    public function fetchAll()
+    {
+        return true;
+    }
+}
\ No newline at end of file
diff --git a/tests/model/MySQLiStatementTest.php b/tests/model/MySQLiStatementTest.php
index dbdf27f..efbaac6 100644
--- a/tests/model/MySQLiStatementTest.php
+++ b/tests/model/MySQLiStatementTest.php
@@ -175,6 +175,49 @@ class MySQLiStatementTest extends PHPUnit_Framework_TestCase
     /**
      * @runInSeparateProcess
      */
+    public function testFetchPairs()
+    {
+        if (!defined('DEBUG')) {
+            define('DEBUG', false);
+        }
+
+        $resultMock = $this->getMockBuilder('mysqli_result')
+                ->disableOriginalConstructor()
+                ->setMethods(array('fetch_array', 'close'))
+                ->setMockClassName('Mysqli_Result_Mock')
+                ->getMock();
+        $resultMock
+                ->expects($this->at(0))
+                ->method('fetch_array')
+                ->will($this->returnValue(array('pair', 'value')));
+        $resultMock
+                ->expects($this->at(1))
+                ->method('fetch_array')
+                ->will($this->returnValue(false));
+        $resultMock
+                ->expects($this->any())
+                ->method('close')
+                ->will($this->returnValue(TRUE));
+
+        $mysqliMock = $this->getMock('MysqliDrvr', array('query'));
+        $mysqliMock
+                ->expects($this->any())
+                ->method('query')
+                ->with($this->anything())
+                ->will($this->returnValue($resultMock));
+
+        $this->driver
+                ->expects($this->any())
+                ->method('getConnection')
+                ->will($this->returnValue($mysqliMock));
+        
+        $this->stmt->execute(array('place' => 'place_val', 'new' => 'new_val'));
+        $this->assertEquals(array('pair' => 'value'), $this->stmt->fetchPairs());
+    }
+
+    /**
+     * @runInSeparateProcess
+     */
     public function testFetchWithDebug()
     {
         if (!defined('DEBUG')) {
diff --git a/tests/model/SqlModelTest.php b/tests/model/SqlModelTest.php
index 18de4ce..429516b 100644
--- a/tests/model/SqlModelTest.php
+++ b/tests/model/SqlModelTest.php
@@ -16,6 +16,7 @@ require_once dirname(__FILE__) . '/../../cache/Cacher.php';
 require_once dirname(__FILE__) . '/../../model/DbExpr.php';
 require_once dirname(__FILE__) . '/../../model/Db.php';
 require_once dirname(__FILE__) . '/../../model/DbDriver.php';
+require_once dirname(__FILE__) . '/MyDbDriver.php';
 require_once dirname(__FILE__) . '/../../model/Model.php';
 require_once dirname(__FILE__) . '/../../model/SqlModel.php';
 
@@ -246,63 +247,4 @@ class SqlModelTest extends PHPUnit_Framework_TestCase
                 return $className;
         }
     }
-}
-
-abstract class MyDbDriver extends DbDriver
-{
-    public function getInsertId($table = null, $key = null)
-    {
-        return true;
-    }
-
-    public function quoteIdentifier($param)
-    {
-        return $param;
-    }
-
-    public function quote($param)
-    {
-        return $param;
-    }
-
-    public function insert($table, $bind, $on_duplicate = array())
-    {
-        return $table;
-    }
-
-    public function update($table, $bind, $where = '')
-    {
-        return $table;
-    }
-
-    public function delete($table, $where = '')
-    {
-        return $table;
-    }
-
-    public function query($sql, $params = array())
-    {
-        $conf = array('driver' => 'MockDbDriver', 'hostname' => 'localhost', 'database' => 'db', 'username' => 'test', 'password' => '1234');
-        return new MockDbDriver($conf);
-    }
-
-    public function execute()
-    {
-        return true;
-    }
-
-    public function fetch()
-    {
-        return true;
-    }
-
-    public function fetchField($field)
-    {
-        return $field;
-    }
-
-    public function fetchAll()
-    {
-        return true;
-    }
 }
\ No newline at end of file