From c57e7ac3e390343d512adfea03f873e171ad3815 Mon Sep 17 00:00:00 2001
From: Jakub Vrana <jakub@vrana.cz>
Date: Sun, 14 Jan 2018 10:18:52 +0100
Subject: [PATCH] Do not set '' for empty enum

---
 adminer/static/editing.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/adminer/static/editing.js b/adminer/static/editing.js
index f3d96479..85308ef7 100644
--- a/adminer/static/editing.js
+++ b/adminer/static/editing.js
@@ -357,7 +357,7 @@ function editingLengthFocus() {
 function editingLengthBlur() {
 	var field = this.parentNode.firstChild;
 	var val = this.value;
-	field.value = (/^'[^\n]+'$/.test(val) ? val : "'" + val.replace(/\n+$/, '').replace(/'/g, "''").replace(/\n/g, "','") + "'");
+	field.value = (/^'[^\n]+'$/.test(val) ? val : val && "'" + val.replace(/\n+$/, '').replace(/'/g, "''").replace(/\n/g, "','") + "'");
 	field.style.display = 'inline';
 	this.style.display = 'none';
 }