Ticket #8768: patch.txt

Index: wp-admin/includes/upgrade.php
===================================================================
--- wp-admin/includes/upgrade.php       (revision 10284)
+++ wp-admin/includes/upgrade.php       (working copy)
@@ -1119,8 +1119,9 @@
        // Create a tablename index for an array ($cqueries) of queries
        foreach($queries as $qry) {
                if(preg_match("|CREATE TABLE ([^ ]*)|", $qry, $matches)) {
-                       $cqueries[strtolower($matches[1])] = $qry;
-                       $for_update[$matches[1]] = 'Created table '.$matches[1];
+                       $table_name = str_replace('`','', $matches[1]); //Make sure it work if the table names have the ` style quoting
+                       $cqueries[strtolower($table_name)] = $qry;
+                       $for_update[$table_name] = 'Created table '.$table_name;
                }
                else if(preg_match("|CREATE DATABASE ([^ ]*)|", $qry, $matches)) {
                        array_unshift($cqueries, $qry);
@@ -1158,8 +1159,9 @@
                                foreach($flds as $fld) {
                                        // Extract the field name
                                        preg_match("|^([^ ]*)|", trim($fld), $fvals);
-                                       $fieldname = $fvals[1];
-
+                                       $fieldname = str_replace('`','', $fvals[1]);
+                                       $fld = preg_replace("/`([^` ]+)`/", "$1", $fld);
+                                       
                                        // Verify the found field name
                                        $validfield = true;
                                        switch(strtolower($fieldname))