From 8e6d2f867cbac2746e546e6510acd4bac6fe9b86 Mon Sep 17 00:00:00 2001
From: Spun Nakandala <supun.nakandala@gmail.com>
Date: Thu, 8 Aug 2013 14:04:21 +0530
Subject: [PATCH] corrected undefined variable error

---
 libraries/tbl_columns_definition_form.lib.php | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/libraries/tbl_columns_definition_form.lib.php b/libraries/tbl_columns_definition_form.lib.php
index aa07f3e54b..16d087958d 100644
--- a/libraries/tbl_columns_definition_form.lib.php
+++ b/libraries/tbl_columns_definition_form.lib.php
@@ -964,8 +964,11 @@ function PMA_getHtmlForColumnAttribute($columnNumber, $ci, $ci_offset,
 
     // MySQL 4.1.2+ TIMESTAMP options
     // (if on_update_current_timestamp is set, then it's TRUE)
-    $field = $create_table_fields[$columnMeta['Field']];
-    if (isset($columnMeta['Field'])
+    if(isset($columnMeta['Field'])){
+        $field = $create_table_fields[$columnMeta['Field']];
+    }
+    
+    if (isset($field)
         && isset($field['on_update_current_timestamp'])
     ) {
         $attribute = 'on update CURRENT_TIMESTAMP';