From 908b442b264c2faec57bc3ed248332cbb49704b2 Mon Sep 17 00:00:00 2001
From: Guillaume Lajarige <guillaume.lajarige@combodo.com>
Date: Wed, 25 Nov 2015 11:16:30 +0000
Subject: [PATCH] Core : Added CloneWithAlias function to DBSearch class. It
 creates a new DBObjectSearch from a DBSearch with a new alias.

SVN:trunk[3826]
---
 core/dbsearch.class.php | 22 +++++++++++++++++++---
 1 file changed, 19 insertions(+), 3 deletions(-)

diff --git a/core/dbsearch.class.php b/core/dbsearch.class.php
index 72bf2400c..a779c1268 100644
--- a/core/dbsearch.class.php
+++ b/core/dbsearch.class.php
@@ -135,8 +135,8 @@ abstract class DBSearch
 	 * serialize a search
 	 */
 	abstract public function ApplyParameters($aArgs);
-	
-	public function serialize($bDevelopParams = false, $aContextParams = null)
+
+    public function serialize($bDevelopParams = false, $aContextParams = null)
 	{
 		$sOql = $this->ToOql($bDevelopParams, $aContextParams);
 		return base64_encode(serialize(array($sOql, $this->GetInternalParams(), $this->m_aModifierProperties)));
@@ -155,7 +155,23 @@ abstract class DBSearch
 		return $oRetFilter;
 	}
 
-	abstract public function ToOQL($bDevelopParams = false, $aContextParams = null);
+    /**
+     * Create a new DBObjectSearch from $oSearch with a new alias $sAlias
+     *
+     * Note : This has not be tested with UNION queries.
+     *
+     * @param DBSearch $oSearch
+     * @param string $sAlias
+     * @return DBObjectSearch
+     */
+    static public function CloneWithAlias(DBSearch $oSearch, $sAlias)
+    {
+        $oSearchWithAlias = new DBObjectSearch($oSearch->GetClass(), $sAlias);
+        $oSearchWithAlias = $oSearchWithAlias->Intersect($oSearch);
+        return $oSearchWithAlias;
+    }
+
+    abstract public function ToOQL($bDevelopParams = false, $aContextParams = null);
 
 	static protected $m_aOQLQueries = array();