Index: temp/trunk/html/install/index.php
===================================================================
--- temp/trunk/html/install/index.php	(revision 6174)
+++ temp/trunk/html/install/index.php	(revision 6175)
@@ -532,6 +532,8 @@
 			gfPrintLog($objDB->userinfo, "./temp/install.log");
 		} else {
-			$arrRet = $objDB->query("SHOW VARIABLES");
-			sfPrintR($arrRet);
+			if($arrRet['db_type'] == 'mysql') {
+				$arrRet = $objDB->query("SHOW VARIABLES");
+				sfPrintR($arrRet);
+			}
 		}
 	}