From dcd4f6a3b471280993134a6b12abf0969983b735 Mon Sep 17 00:00:00 2001
From: michail1982 <michail1982@gmail.com>
Date: Mon, 19 Nov 2012 10:48:42 +0200
Subject: [PATCH 1/3] Update core/MY_Model.php
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Add getter for the primary_key
---
 core/MY_Model.php | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/core/MY_Model.php b/core/MY_Model.php
index 8620115..5a16b7e 100644
--- a/core/MY_Model.php
+++ b/core/MY_Model.php
@@ -616,6 +616,14 @@ public function table()
         return $this->_table;
     }
 
+    /**
+     * Getter for the primary_key
+     */
+    public function primary_key()
+    {
+        return $this->primary_key;
+    }
+
     /* --------------------------------------------------------------
      * GLOBAL SCOPES
      * ------------------------------------------------------------ */

From 12a4e09de9c2f2069ac01b58b62c93f5dc927caf Mon Sep 17 00:00:00 2001
From: michail1982 <michail1982@gmail.com>
Date: Mon, 19 Nov 2012 11:19:23 +0200
Subject: [PATCH 2/3] Update tests/MY_Model_test.php

test_get_primary_key()
---
 tests/MY_Model_test.php | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/tests/MY_Model_test.php b/tests/MY_Model_test.php
index 036b4d7..fe3c1fa 100644
--- a/tests/MY_Model_test.php
+++ b/tests/MY_Model_test.php
@@ -41,6 +41,11 @@ public function test_constructor_guesses_the_table_name()
         $this->assertEquals($this->model->table(), 'records');
     }
 
+    public function test_get_primary_key()
+    {
+        $this->assertEquals($this->model->primary_key(), 'id');
+    }
+
     /* --------------------------------------------------------------
      * CRUD INTERFACE
      * ------------------------------------------------------------ */

From 81b792f73e565435a099c80b9d9608a59329e1ee Mon Sep 17 00:00:00 2001
From: michail1982 <michail1982@gmail.com>
Date: Tue, 2 Jun 2015 14:07:14 +0300
Subject: [PATCH 3/3] Update MY_Model.php

---
 core/MY_Model.php | 31 +++++++++++++++++++++++++++++--
 1 file changed, 29 insertions(+), 2 deletions(-)

diff --git a/core/MY_Model.php b/core/MY_Model.php
index 5a16b7e..3a39c76 100644
--- a/core/MY_Model.php
+++ b/core/MY_Model.php
@@ -51,7 +51,9 @@ class MY_Model extends CI_Model
     protected $after_get = array();
     protected $before_delete = array();
     protected $after_delete = array();
-
+    protected $before_replace = array();
+    protected $after_replace = array();
+    
     protected $callback_parameters = array();
 
     /**
@@ -431,7 +433,32 @@ public function delete_many($primary_values)
         return $result;
     }
 
-
+    /**
+     * Replace data
+     */
+     public function replace($data, $skip_validation = FALSE)
+	{
+		if ($skip_validation === FALSE)
+		{
+			$data = $this->validate($data);
+		}
+	
+		if ($data !== FALSE)
+		{
+			$data = $this->trigger('before_replace', $data);
+	
+			$result = $this->_database->replace($this->_table, $data);
+			
+			$this->trigger('after_replace', array($data, $result));
+	
+			return $result;
+		}
+		else
+		{
+			return FALSE;
+		}
+	}
+	
     /**
      * Truncates the table
      */