Fixed regression with querystream() in Node 4 & 6

CHANGELOG.md

@@ -1,6 +1,8 @@
 # Change Log
 
-## node-oracledb v2.1.1 (DD Mon YYYY)
+## node-oracledb v2.1.1 (16 Feb 2018)
+
+Fixed regression with querystream() in Node 4 & 6.
 
 ## node-oracledb v2.1.0 (15 Feb 2018)
 

lib/querystream.js

@@ -69,7 +69,7 @@ function QueryStream(resultSet, oracledb) {
     // Using setImmediate to ensure that end event handlers are processed
     // before the destroy logic is invoked.
     setImmediate(function() {
-      self.destroy();
+      self._destroy(null, function() {});
     });
   });
 }