Viewing file:  db_table_exists.lib.php (2.45 KB) -rw-r--r--
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<?php
/* $Id: db_table_exists.lib.php,v 2.11.2.2 2006/04/12 18:51:11 lem9 Exp $ */
// 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($is_table)) {
// Not a valid table name -> back to the db_details.php
if (isset($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)
?>
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