From e7d6b48bb334df22349934c374827352b2801094 Mon Sep 17 00:00:00 2001
From: Hypolite Petovan <mrpetovan@gmail.com>
Date: Mon, 2 Jul 2018 22:28:27 -0400
Subject: [PATCH] Fix Undefined index: Collation in DBStructure

---
 src/Database/DBStructure.php | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/src/Database/DBStructure.php b/src/Database/DBStructure.php
index db6997ec62..dc570f3135 100644
--- a/src/Database/DBStructure.php
+++ b/src/Database/DBStructure.php
@@ -537,26 +537,26 @@ class DBStructure
 	private static function FieldCommand($parameters, $create = true) {
 		$fieldstruct = $parameters["type"];
 
-		if (!is_null($parameters["Collation"])) {
+		if (!empty($parameters["Collation"])) {
 			$fieldstruct .= " COLLATE ".$parameters["Collation"];
 		}
 
-		if ($parameters["not null"]) {
+		if (!empty($parameters["not null"])) {
 			$fieldstruct .= " NOT NULL";
 		}
 
-		if (isset($parameters["default"])) {
+		if (!empty($parameters["default"])) {
 			if (strpos(strtolower($parameters["type"]),"int")!==false) {
 				$fieldstruct .= " DEFAULT ".$parameters["default"];
 			} else {
 				$fieldstruct .= " DEFAULT '".$parameters["default"]."'";
 			}
 		}
-		if ($parameters["extra"] != "") {
+		if (!empty($parameters["extra"])) {
 			$fieldstruct .= " ".$parameters["extra"];
 		}
 
-		if (!is_null($parameters["comment"])) {
+		if (!empty($parameters["comment"])) {
 			$fieldstruct .= " COMMENT '".dbesc($parameters["comment"])."'";
 		}