0 as field name causes problems (bug #1042235).

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.

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();

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];