Fix backpressure when using TLS; affects streaming result set and load data local

Author: Chad Berchek

lib/connection.js

@@ -382,9 +382,7 @@ class Connection extends EventEmitter {
     secureSocket.on('data', data => {
       this.packetParser.execute(data);
     });
-    this.write = buffer => {
-      secureSocket.write(buffer);
-    };
+    this.stream = secureSocket;
     // start TLS communications
     secureSocket._start();
   }