From 82e4fb6cc3f4bbf81fa8057f18152fe03852f7b2 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Michal=20=C4=8Ciha=C5=99?= <michal@cihar.com>
Date: Tue, 19 Oct 2004 13:55:00 +0000
Subject: [PATCH] 0 as field name causes problems (bug #1042235).

---
 ChangeLog                | 2 ++
 libraries/common.lib.php | 3 ++-
 tbl_create.php           | 3 ++-
 3 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index e9152e178..d610032d2 100755
--- a/ChangeLog
+++ b/ChangeLog
@@ -13,6 +13,8 @@ $Source$
       #1048826).
     * main.php, queryframe.php: Handle correctly situation with no default
       server (bug #1049107).
+    * tbl_create.php, libraries/common.lib.php: 0 as field name causes
+      problems (bug #1042235).
 
 2004-10-17 Marc Delisle  <lem9@users.sourceforge.net>
     * lang/turkish update, thanks to boralioglu.
diff --git a/libraries/common.lib.php b/libraries/common.lib.php
index 1d897a0b2..fbd024849 100644
--- a/libraries/common.lib.php
+++ b/libraries/common.lib.php
@@ -1352,8 +1352,9 @@ if ($is_minimum_common == FALSE) {
      */
     function PMA_backquote($a_name, $do_it = TRUE)
     {
+        // '0' is also empty for php :-(
         if ($do_it
-            && !empty($a_name) && $a_name != '*') {
+            && (!empty($a_name) || $a_name == '0') && $a_name != '*') {
 
             if (is_array($a_name)) {
                  $result = array();
diff --git a/tbl_create.php b/tbl_create.php
index f71bbb43e..3e21e716e 100644
--- a/tbl_create.php
+++ b/tbl_create.php
@@ -55,7 +55,8 @@ if (isset($submit_num_fields)) {
     } // end for
     // Builds the fields creation statements
     for ($i = 0; $i < $field_cnt; $i++) {
-        if (empty($field_name[$i])) {
+        // '0' is also empty for php :-(
+        if (empty($field_name[$i]) && $field_name[$i] != '0') {
             continue;
         }
         $query = PMA_backquote($field_name[$i]) . ' ' . $field_type[$i];