class.ext_update.php

<?php

/**
 * Class ext_update.
 *
 * Performs update tasks for extension genericgallery
 */
class ext_update
{
    /**
     * Main function, returning the HTML content of the module.
     *
     * @return string HTML
     */
    public function main()
    {
        $GLOBALS['TYPO3_DB']->exec_UPDATEquery(
            'tt_content',
            'list_type = "generic_gallery_pi1"',
            array(
                'list_type' => 'genericgallery_pi1',
            )
        );

        return $GLOBALS['TYPO3_DB']->sql_affected_rows().' rows have been updated.';
    }

    /**
     * Checks how many rows are found and returns true if there are any
     * (this function is called from the extension manager).
     *
     * @param string $what : what should be updated
     *
     * @return bool
     */
    public function access($what = 'all')
    {
        return $GLOBALS['BE_USER']->isAdmin();
    }
}