From e7c2242414972dbc5472ccdfb3c01b86b57d0071 Mon Sep 17 00:00:00 2001
From: Matt Broadstone <mbroadst@gmail.com>
Date: Tue, 28 Nov 2017 12:46:40 -0500
Subject: [PATCH] fix(retryable-writes): don't increment `txnNumber` on retries

NODE-1105
---
 lib/topologies/mongos.js  | 3 ---
 lib/topologies/replset.js | 3 ---
 2 files changed, 6 deletions(-)

diff --git a/lib/topologies/mongos.js b/lib/topologies/mongos.js
index 60cc4764d..1c612156e 100644
--- a/lib/topologies/mongos.js
+++ b/lib/topologies/mongos.js
@@ -912,9 +912,6 @@ var executeWriteOperation = function(self, op, ns, ops, options, callback) {
       return callback(err);
     }
 
-    // increment and assign txnNumber
-    options.txnNumber = txnNumber(options.session);
-
     // rerun the operation
     server[op](ns, ops, options, callback);
   });
diff --git a/lib/topologies/replset.js b/lib/topologies/replset.js
index 77ddf70ba..673091fc0 100644
--- a/lib/topologies/replset.js
+++ b/lib/topologies/replset.js
@@ -1184,9 +1184,6 @@ var executeWriteOperation = function(self, op, ns, ops, options, callback) {
       return callback(new MongoError('no primary server found'));
     }
 
-    // increment and assign txnNumber
-    options.txnNumber = txnNumber(options.session);
-
     // rerun the operation
     self.s.replicaSetState.primary[op](ns, ops, options, callback);
   });