diff --git a/htdocs/lib/mysql.lib.php b/htdocs/lib/mysql.lib.php
index 785573bf108..cc5afc50a58 100644
--- a/htdocs/lib/mysql.lib.php
+++ b/htdocs/lib/mysql.lib.php
@@ -450,6 +450,21 @@ class DoliDb
         return strftime("%Y%m%d%H%M%S",$fname);
     }
 
+
+    /**
+        \brief      Formatage d'un if SQL
+        \param		operande1       operande 1
+        \param		operande2       operande 2
+        \param		resok           resultat si test egal
+        \param		resko           resultat si test non egal
+        \return		string          chaine formaté SQL
+    */
+    function ifsql($operande1,$operande2,$resok,$resko)
+    {
+        return 'IF('.$operande1.'='.$operande2.','.$resok.','.$resko.')';
+    }
+    
+
     /**
         \brief      Renvoie la derniere requete soumise par la methode query()
         \return	    lastquery
diff --git a/htdocs/lib/pgsql.lib.php b/htdocs/lib/pgsql.lib.php
index a01da9074d0..680f5dc008b 100644
--- a/htdocs/lib/pgsql.lib.php
+++ b/htdocs/lib/pgsql.lib.php
@@ -438,8 +438,23 @@ class DoliDb
     {
         return strftime("%Y%m%d%H%M%S",$fname);
     }
+
+
+    /**
+        \brief      Formatage d'un if SQL
+        \param		operande1       operande 1
+        \param		operande2       operande 2
+        \param		resok           resultat si test egal
+        \param		resko           resultat si test non egal
+        \return		string          chaine formaté SQL
+    */
+    function ifsql($operande1,$operande2,$resok,$resko)
+    {
+        return 'IF('.$operande1.'='.$operande2.','.$resok.','.$resko.')';
+    }
     
-    
+
+
     /**
         \brief 		Renvoie la derniere requete soumise par la methode query()
         \return	    lastquery