From 9c92a5c8119c958d95d7fa466752b046af1df65e Mon Sep 17 00:00:00 2001
From: Stephen Sawchuk <stephenplusplusplus@gmail.com>
Date: Mon, 5 Mar 2018 11:35:28 -0500
Subject: [PATCH] fix: Clone query passed to encodeQuery

---
 src/codec.js  |  2 ++
 test/codec.js | 20 ++++++++++++++++++--
 2 files changed, 20 insertions(+), 2 deletions(-)

diff --git a/src/codec.js b/src/codec.js
index 409470fa0..f273b6ba7 100644
--- a/src/codec.js
+++ b/src/codec.js
@@ -323,6 +323,8 @@ codec.TYPES = TYPES;
  * @returns {object}
  */
 function encodeQuery(query) {
+  query = extend({}, query);
+
   if (query.params) {
     let fields = {};
 
diff --git a/test/codec.js b/test/codec.js
index 3481f2f3b..fc9d33f7a 100644
--- a/test/codec.js
+++ b/test/codec.js
@@ -596,10 +596,26 @@ describe('codec', function() {
     };
 
     it('should return the query', function() {
-      var fakeQuery = {};
+      var fakeQuery = {
+        a: 'b',
+        c: 'd',
+      };
+
+      var encodedQuery = codec.encodeQuery(fakeQuery);
+
+      assert.deepStrictEqual(fakeQuery, encodedQuery);
+    });
+
+    it('should clone the query', function() {
+      var fakeQuery = {
+        a: 'b',
+      };
+
       var encodedQuery = codec.encodeQuery(fakeQuery);
+      assert.notStrictEqual(fakeQuery, encodedQuery);
 
-      assert.strictEqual(fakeQuery, encodedQuery);
+      delete encodedQuery.a;
+      assert.strictEqual(fakeQuery.a, 'b');
     });
 
     it('should encode query parameters', function() {