add zend_db fetchmode

application/models/ISO19115.php

@@ -184,7 +184,8 @@ class ISO19115
 			//do nothing.
 			//说明数据库中已存在该信息
 		}
-		
+		$dbmode=$db->getFetchMode();
+		$db->setFetchMode(Zend_Db::FETCH_OBJ);
 		//save metadata into database
 		try {
 			$sql="insert into metadata (uuid,title,title_en,description,citation,suppinfo,fileformat,projection,datatype,filesize,ts_created,
@@ -315,7 +316,8 @@ class ISO19115
 		}  catch (Exception $e) {
 			//数据重复插入，此处忽略所有错误
 			print $this->uuid.' has error: '.$e->getMessage().'<br />';
-		}	
+		}
+		$db->setFetchMode($dbmode);	
 	}
 	
 	function parse()