From 985b366cc718be327f2f3537e634a2044092e20f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Eric=20Espi=C3=A9?= <eric.espie@combodo.com>
Date: Tue, 16 Jan 2018 15:05:27 +0000
Subject: [PATCH] =?UTF-8?q?Retrofit=20from=20trunk=20N=C2=B01246=20-=20Fix?=
 =?UTF-8?q?=20Obsolete=20data=20visible=20in=20dependency=20graph.=20*=20F?=
 =?UTF-8?q?ix=20a=20wrong=20transient=20OQL=20expression=20cache=20introdu?=
 =?UTF-8?q?ced=20in=20[4943].=20[from=20revision=205257]?=
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SVN:2.4[5259]
---
 core/oql/expression.class.inc.php | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/core/oql/expression.class.inc.php b/core/oql/expression.class.inc.php
index d2308c03e..3438eb2c5 100644
--- a/core/oql/expression.class.inc.php
+++ b/core/oql/expression.class.inc.php
@@ -85,11 +85,11 @@ abstract class Expression
 		static $aCache = array();
 		if (array_key_exists($sConditionExpr, $aCache))
 		{
-			return $aCache[$sConditionExpr];
+			return unserialize($aCache[$sConditionExpr]);
 		}
 		$oOql = new OqlInterpreter($sConditionExpr);
 		$oExpression = $oOql->ParseExpression();
-		$aCache[$sConditionExpr] = $oExpression;
+		$aCache[$sConditionExpr] = serialize($oExpression);
 
 		return $oExpression;
 	}