From ea135f2ee135a438df91c7ba425578e2348fa534 Mon Sep 17 00:00:00 2001
From: JiamingL <jiaming.liang@gomoob.com>
Date: Fri, 1 Dec 2017 16:55:03 +0100
Subject: [PATCH] Minor fixes of case of empty string value.

---
 CHANGELOG.md                                          | 3 +++
 src/main/php/Gomoob/Filter/Sql/SqlFilterConverter.php | 2 +-
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 609f20e..c4e99f7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,9 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/) and this project adheres to
 [Semantic Versioning](http://semver.org/).
 
+## [1.1.3] - 2017-12-01
+* Minor fixes of case of empty string value.
+
 ## [1.1.2] - 2017-11-30
 * Minor fixes of README.md.
 
diff --git a/src/main/php/Gomoob/Filter/Sql/SqlFilterConverter.php b/src/main/php/Gomoob/Filter/Sql/SqlFilterConverter.php
index 3bd435d..55d0355 100644
--- a/src/main/php/Gomoob/Filter/Sql/SqlFilterConverter.php
+++ b/src/main/php/Gomoob/Filter/Sql/SqlFilterConverter.php
@@ -578,7 +578,7 @@ private function transformSimpleFilter(
         /* string */ $value,
         /* array */ $context
     ) /* : array */ {
-        $result = ['', []];
+        $result = [$key . " = ''", []];
 
         try {
             // Creates a tokenizer to tokenize the filter value