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<?php // $Id: install.mysql.inc,v 1.9 2008/01/23 09:59:29 goba Exp $
// MySQL specific install functions
/** * Check if MySQL is available. * * @return * TRUE/FALSE */ function mysql_is_available() { return function_exists('mysql_connect'); }
/** * Check if we can connect to MySQL. * * @return * TRUE/FALSE */ function drupal_test_mysql($url, &$success) { if (!mysql_is_available()) { drupal_set_message(st('PHP MySQL support not enabled.'), 'error'); return FALSE; }
$url = parse_url($url);
// Decode url-encoded information in the db connection string. $url['user'] = urldecode($url['user']); $url['pass'] = isset($url['pass']) ? urldecode($url['pass']) : ''; $url['host'] = urldecode($url['host']); $url['path'] = urldecode($url['path']);
// Allow for non-standard MySQL port. if (isset($url['port'])) { $url['host'] = $url['host'] .':'. $url['port']; }
// Test connecting to the database. $connection = @mysql_connect($url['host'], $url['user'], $url['pass'], TRUE, 2); if (!$connection) { drupal_set_message(st('Failed to connect to your MySQL database server. MySQL reports the following message: %error.<ul><li>Are you sure you have the correct username and password?</li><li>Are you sure that you have typed the correct database hostname?</li><li>Are you sure that the database server is running?</li></ul>For more help, see the <a href="http://drupal.org/node/258">Installation and upgrading handbook</a>. If you are unsure what these terms mean you should probably contact your hosting provider.', array('%error' => mysql_error())), 'error'); return FALSE; }
// Test selecting the database. if (!mysql_select_db(substr($url['path'], 1))) { drupal_set_message(st('Failed to select your database on your MySQL database server, which means the connection username and password are valid, but there is a problem accessing your data. MySQL reports the following message: %error.<ul><li>Are you sure you have the correct database name?</li><li>Are you sure the database exists?</li><li>Are you sure the username has permission to access the database?</li></ul>For more help, see the <a href="http://drupal.org/node/258">Installation and upgrading handbook</a>. If you are unsure what these terms mean you should probably contact your hosting provider.', array('%error' => mysql_error())), 'error'); return FALSE; }
$success = array('CONNECT');
// Test CREATE. $query = 'CREATE TABLE drupal_install_test (id int NULL)'; $result = mysql_query($query); if ($error = mysql_error()) { drupal_set_message(st('Failed to create a test table on your MySQL database server with the command %query. MySQL reports the following message: %error.<ul><li>Are you sure the configured username has the necessary MySQL permissions to create tables in the database?</li></ul>For more help, see the <a href="http://drupal.org/node/258">Installation and upgrading handbook</a>. If you are unsure what these terms mean you should probably contact your hosting provider.', array('%query' => $query, '%error' => $error)), 'error'); return FALSE; } $err = FALSE; $success[] = 'SELECT'; $success[] = 'CREATE';
// Test INSERT. $query = 'INSERT INTO drupal_install_test (id) VALUES (1)'; $result = mysql_query($query); if ($error = mysql_error()) { drupal_set_message(st('Failed to insert a value into a test table on your MySQL database server. We tried inserting a value with the command %query and MySQL reported the following error: %error.', array('%query' => $query, '%error' => $error)), 'error'); $err = TRUE; } else { $success[] = 'INSERT'; }
// Test UPDATE. $query = 'UPDATE drupal_install_test SET id = 2'; $result = mysql_query($query); if ($error = mysql_error()) { drupal_set_message(st('Failed to update a value in a test table on your MySQL database server. We tried updating a value with the command %query and MySQL reported the following error: %error.', array('%query' => $query, '%error' => $error)), 'error'); $err = TRUE; } else { $success[] = 'UPDATE'; }
// Test DELETE. $query = 'DELETE FROM drupal_install_test'; $result = mysql_query($query); if ($error = mysql_error()) { drupal_set_message(st('Failed to delete a value from a test table on your MySQL database server. We tried deleting a value with the command %query and MySQL reported the following error: %error.', array('%query' => $query, '%error' => $error)), 'error'); $err = TRUE; } else { $success[] = 'DELETE'; }
// Test DROP. $query = 'DROP TABLE drupal_install_test'; $result = mysql_query($query); if ($error = mysql_error()) { drupal_set_message(st('Failed to drop a test table from your MySQL database server. We tried dropping a table with the command %query and MySQL reported the following error %error.', array('%query' => $query, '%error' => $error)), 'error'); $err = TRUE; } else { $success[] = 'DROP'; }
if ($err) { return FALSE; }
mysql_close($connection); return TRUE; }
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