From 0cae1485b5af7392ab81d5394e7e8f016f0635aa Mon Sep 17 00:00:00 2001
From: Zaid Abdulla <zaid@genieacs.com>
Date: Mon, 30 Apr 2018 17:11:05 -0700
Subject: [PATCH] Fix query unpacking issue with $not operator

---
 lib/query.coffee | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/lib/query.coffee b/lib/query.coffee
index e67923f..07739d9 100644
--- a/lib/query.coffee
+++ b/lib/query.coffee
@@ -149,7 +149,9 @@ expand = (query) ->
       conditions = permute(k, v)
       if conditions.length > 1
         new_query['$and'] ?= []
-        if v?['$ne']?
+        if v?['$ne']? or v?['$not']?
+          if Object.keys(v) > 1
+            throw new Error("Cannot mix $ne or $not with other operators")
           for c in conditions
             new_query['$and'].push(c)
         else