bug #3315720 [search] Fix search in non unicode tables

We need to convert field to unicode because the connection is in utf-8
and we might give utf-8 input as well.

ChangeLog

@@ -9,6 +9,7 @@
 - patch #3311539 [edit] Inline edit does not escape backslashes
 - bug #3313210 [interface] Columns class sometimes changed for nothing
 - patch #3313326 [interface] Some tooltips do not disappear
+- bug #3315720 [search] Fix search in non unicode tables
 
 3.4.2.0 (2011-06-07)
 - bug #3301249 [interface] Iconic table operations does not remove inline edit label

db_search.php

@@ -178,7 +178,7 @@ if (isset($_REQUEST['submit_search'])) {
             $thefieldlikevalue = array();
             foreach ($tblfields as $tblfield) {
                 if (! isset($field) || strlen($field) == 0 || $tblfield == $field) {
-                    $thefieldlikevalue[] = PMA_backquote($tblfield)
+                    $thefieldlikevalue[] = 'CONVERT(' . PMA_backquote($tblfield) . ' USING utf8)'
                                          . ' ' . $like_or_regex . ' '
                                          . "'" . $automatic_wildcard
                                          . $search_word