From 8306c45f3be5be063b3eebc362ea7d3ca1ab2505 Mon Sep 17 00:00:00 2001
From: Samer <samer@nakfour.com>
Date: Wed, 16 Nov 2016 14:38:18 +0100
Subject: [PATCH] Filter out undefined filters

---
 lib/modules/database.js | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/lib/modules/database.js b/lib/modules/database.js
index 5c4b27e..6ebdecc 100644
--- a/lib/modules/database.js
+++ b/lib/modules/database.js
@@ -111,9 +111,10 @@ class DatabaseQuery {
     }
     Object.keys(this.filters)
       .forEach(key => {
-        const filter = this.filters[key];
+        let filter = this.filters[key];
         if (filter) {
-          const filterArgs = ([key].concat(filter)).join(argsSeparator)
+          const cleanFilters = filter.filter((f) => typeof f !== "undefined");
+          const filterArgs = ([key].concat(cleanFilters)).join(argsSeparator);
           modifiers.push(filterArgs);
         }
       })