<?php/* $Id: db_table_exists.lib.php 9202 2006-07-27 17:14:30Z lem9 $ */// vim: expandtab sw=4 ts=4 sts=4:/** * Ensure the database and the table exist (else move to the "parent" script) * and display headers */if (empty($is_db)) {    if (isset($db) && strlen($db)) {        $is_db = @PMA_DBI_select_db($db);    } else {        $is_db = false;    }    if (! $is_db) {        // not a valid db name -> back to the welcome page        if (! defined('IS_TRANSFORMATION_WRAPPER')) {            $url_params = array('reload' => 1);            if (isset($message)) {                $url_params['message'] = $message;            }            PMA_sendHeaderLocation(                $cfg['PmaAbsoluteUri'] . 'main.php'                    . PMA_generate_common_url($url_params, '&'));        }        exit;    }} // end if (ensures db exists)if (empty($is_table) && !defined('PMA_SUBMIT_MULT')) {    // Not a valid table name -> back to the db_details.php    if (isset($table) && strlen($table)) {        $_result = PMA_DBI_try_query(            'SHOW TABLES LIKE \'' . PMA_sqlAddslashes($table, true) . '\';',            null, PMA_DBI_QUERY_STORE);        $is_table = @PMA_DBI_num_rows($_result);        PMA_DBI_free_result($_result);    } else {        $is_table = false;    }    if (! $is_table) {        if (! defined('IS_TRANSFORMATION_WRAPPER')) {            if (isset($table) && strlen($table)) {                // SHOW TABLES doesn't show temporary tables, so try select                // (as it can happen just in case temporary table, it should be                // fast):                // @todo should this check really only happen if IS_TRANSFORMATION_WRAPPER?                $_result = PMA_DBI_try_query(                    'SELECT COUNT(*) FROM `' . PMA_sqlAddslashes($table, true) . '`;',                    null, PMA_DBI_QUERY_STORE);                $is_table = ($_result && @PMA_DBI_num_rows($_result));                PMA_DBI_free_result($_result);            }            if (! $is_table) {                $url_params = array('reload' => 1, 'db' => $db);                if (isset($message)) {                    $url_params['message'] = $message;                }                PMA_sendHeaderLocation(                    $cfg['PmaAbsoluteUri'] . 'db_details.php'                        . PMA_generate_common_url($url_params, '&'));            }        }        if (! $is_table) {            exit;        }    }} // end if (ensures table exists)?>