Migration::renameTable PHP Method

    function renameTable($oldtable, $newtable)
    {
        global $DB;
        if (!TableExists("{$newtable}") && TableExists("{$oldtable}")) {
            $query = "RENAME TABLE `{$oldtable}` TO `{$newtable}`";
            $DB->queryOrDie($query, $this->version . " rename {$oldtable}");
        }
    }

function plugin_barcode_install()
{
    global $DB;
    $migration = new Migration(PLUGIN_BARCODE_VERSION);
    if (!file_exists(GLPI_PLUGIN_DOC_DIR . "/barcode")) {
        mkdir(GLPI_PLUGIN_DOC_DIR . "/barcode");
    }
    $migration->renameTable("glpi_plugin_barcode_config", "glpi_plugin_barcode_configs");
    if (!TableExists("glpi_plugin_barcode_configs")) {
        $query = "CREATE TABLE `glpi_plugin_barcode_configs` (\n                  `id` int(11) NOT NULL auto_increment,\n                  `type` varchar(20) collate utf8_unicode_ci default NULL,\n                  PRIMARY KEY  (`ID`)\n               ) ENGINE=MyISAM DEFAULT CHARSET=utf8 COLLATE=utf8_unicode_ci";
        $DB->query($query) or die("error creating glpi_plugin_barcode_configs " . $DB->error());
        $query = "INSERT INTO `glpi_plugin_barcode_configs` \n                     (`id`, `type`)\n                VALUES\n                     ('1', 'code128')";
        $DB->query($query) or die("error populate glpi_plugin_barcode_configs " . $DB->error());
    }
    $migration->renameTable("glpi_plugin_barcode_config_type", "glpi_plugin_barcode_configs_types");
    if (!TableExists("glpi_plugin_barcode_configs_types")) {
        $query = "CREATE TABLE `glpi_plugin_barcode_configs_types` (\n                  `id` int(11) NOT NULL auto_increment,\n                  `type` varchar(20) collate utf8_unicode_ci default NULL,\n                  `size` varchar(20) collate utf8_unicode_ci default NULL,\n                  `orientation` varchar(9) collate utf8_unicode_ci default NULL,\n                  `marginTop` int(11) NULL,\n                  `marginBottom` int(11) NULL,\n                  `marginLeft` int(11) NULL,\n                  `marginRight` int(11) NULL,\n                  `marginHorizontal` int(11) NULL,\n                  `marginVertical` int(11) NULL,\n                  `maxCodeWidth` int(11) NULL,\n                  `maxCodeHeight` int(11) NULL,\n                  PRIMARY KEY  (`ID`),\n                  UNIQUE  (`type`)\n               ) ENGINE=MyISAM DEFAULT CHARSET=utf8 COLLATE=utf8_unicode_ci;";
        $DB->query($query) or die("error creating glpi_plugin_barcode_configs_types " . $DB->error());
        $query = "INSERT INTO `glpi_plugin_barcode_configs_types`\n                     (`type`, `size`, `orientation`,\n                     `marginTop`, `marginBottom`, `marginLeft`, `marginRight`,\n                     `marginHorizontal`, `marginVertical`, `maxCodeWidth`, `maxCodeHeight`)\n                VALUES\n                     ('Code39', 'A4', 'Portrait',\n                     '30', '30', '30', '30',\n                     '25', '30', '128', '50'),\n                     ('code128', 'A4', 'Portrait',\n                     '30', '30', '30', '30',\n                     '25', '30', '110', '70'),\n                     ('ean13', 'A4', 'Portrait',\n                     '30', '30', '30', '30',\n                     '25', '30', '110', '70'),\n                     ('int25', 'A4', 'Portrait',\n                     '30', '30', '30', '30',\n                     '25', '30', '110', '70'),\n                     ('postnet', 'A4', 'Portrait',\n                     '30', '30', '30', '30',\n                     '25', '30', '110', '70'),\n                     ('upca', 'A4', 'Portrait',\n                     '30', '30', '30', '30',\n                     '25', '30', '110', '70'),\n                     ('QRcode', 'A4', 'Portrait',\n                     '30', '30', '30', '30',\n                     '25', '30', '110', '100')";
        $DB->query($query) or die("error populate glpi_plugin_barcode_configs_types " . $DB->error());
    }
    if (countElementsInTable("glpi_plugin_barcode_configs_types", "`type`='QRcode'") == 0) {
        $query = "INSERT INTO `glpi_plugin_barcode_configs_types`\n                     (`type`, `size`, `orientation`,\n                     `marginTop`, `marginBottom`, `marginLeft`, `marginRight`,\n                     `marginHorizontal`, `marginVertical`, `maxCodeWidth`, `maxCodeHeight`)\n                VALUES\n                     ('QRcode', 'A4', 'Portrait',\n                     '30', '30', '30', '30',\n                     '25', '30', '110', '100')";
        $DB->query($query) or die("error populate glpi_plugin_barcode_configs_types " . $DB->error());
    }
    include_once GLPI_ROOT . '/plugins/barcode/inc/profile.class.php';
    include_once GLPI_ROOT . '/plugins/barcode/inc/config.class.php';
    PluginBarcodeProfile::initProfile();
    if (TableExists("glpi_plugin_barcode_profiles")) {
        $query = "DROP TABLE `glpi_plugin_barcode_profiles`";
        $DB->query($query) or die("error deleting glpi_plugin_barcode_profiles");
    }
    return true;
}