Don't merge readConcern option

The readConcern option is an object which contains a level property and should be passed through as-is.
mongodb · May 4, 2017 · 6aea4da · 6aea4da
1 parent 6bbb8de
commit 6aea4da
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/lib/mongo_client.js b/lib/mongo_client.js
@@ -245,7 +245,7 @@ var mergeOptions = function(target, source, flatten) {
 var createUnifiedOptions = function(finalOptions, options) {
   var childOptions = ['mongos', 'server', 'db'
     , 'replset', 'db_options', 'server_options', 'rs_options', 'mongos_options'];
-  var noMerge = [];
+  var noMerge = ['readconcern'];
 
   for(var name in options) {
     if(noMerge.indexOf(name.toLowerCase()) != -1) {