web/drupal/includes/install.mysql.inc
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73:fcf75e232c5b 74:0ff3ba646492
       
     1 <?php
       
     2 // $Id: install.mysql.inc,v 1.9 2008/01/23 09:59:29 goba Exp $
       
     3 
       
     4 // MySQL specific install functions
       
     5 
       
     6 /**
       
     7  * Check if MySQL is available.
       
     8  *
       
     9  * @return
       
    10  *  TRUE/FALSE
       
    11  */
       
    12 function mysql_is_available() {
       
    13   return function_exists('mysql_connect');
       
    14 }
       
    15 
       
    16 /**
       
    17  * Check if we can connect to MySQL.
       
    18  *
       
    19  * @return
       
    20  *  TRUE/FALSE
       
    21  */
       
    22 function drupal_test_mysql($url, &$success) {
       
    23   if (!mysql_is_available()) {
       
    24     drupal_set_message(st('PHP MySQL support not enabled.'), 'error');
       
    25     return FALSE;
       
    26   }
       
    27 
       
    28   $url = parse_url($url);
       
    29 
       
    30   // Decode url-encoded information in the db connection string.
       
    31   $url['user'] = urldecode($url['user']);
       
    32   $url['pass'] = isset($url['pass']) ? urldecode($url['pass']) : '';
       
    33   $url['host'] = urldecode($url['host']);
       
    34   $url['path'] = urldecode($url['path']);
       
    35 
       
    36   // Allow for non-standard MySQL port.
       
    37   if (isset($url['port'])) {
       
    38     $url['host'] = $url['host'] .':'. $url['port'];
       
    39   }
       
    40 
       
    41   // Test connecting to the database.
       
    42   $connection = @mysql_connect($url['host'], $url['user'], $url['pass'], TRUE, 2);
       
    43   if (!$connection) {
       
    44     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');
       
    45     return FALSE;
       
    46   }
       
    47 
       
    48   // Test selecting the database.
       
    49   if (!mysql_select_db(substr($url['path'], 1))) {
       
    50     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');
       
    51     return FALSE;
       
    52   }
       
    53 
       
    54   $success = array('CONNECT');
       
    55 
       
    56   // Test CREATE.
       
    57   $query = 'CREATE TABLE drupal_install_test (id int NULL)';
       
    58   $result = mysql_query($query);
       
    59   if ($error = mysql_error()) {
       
    60     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');
       
    61     return FALSE;
       
    62   }
       
    63   $err = FALSE;
       
    64   $success[] = 'SELECT';
       
    65   $success[] = 'CREATE';
       
    66 
       
    67   // Test INSERT.
       
    68   $query = 'INSERT INTO drupal_install_test (id) VALUES (1)';
       
    69   $result = mysql_query($query);
       
    70   if ($error = mysql_error()) {
       
    71     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');
       
    72     $err = TRUE;
       
    73   }
       
    74   else {
       
    75     $success[] = 'INSERT';
       
    76   }
       
    77 
       
    78   // Test UPDATE.
       
    79   $query = 'UPDATE drupal_install_test SET id = 2';
       
    80   $result = mysql_query($query);
       
    81   if ($error = mysql_error()) {
       
    82     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');
       
    83     $err = TRUE;
       
    84   }
       
    85   else {
       
    86     $success[] = 'UPDATE';
       
    87   }
       
    88 
       
    89   // Test DELETE.
       
    90   $query = 'DELETE FROM drupal_install_test';
       
    91   $result = mysql_query($query);
       
    92   if ($error = mysql_error()) {
       
    93     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');
       
    94     $err = TRUE;
       
    95   }
       
    96   else {
       
    97     $success[] = 'DELETE';
       
    98   }
       
    99 
       
   100   // Test DROP.
       
   101   $query = 'DROP TABLE drupal_install_test';
       
   102   $result = mysql_query($query);
       
   103   if ($error = mysql_error()) {
       
   104     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');
       
   105     $err = TRUE;
       
   106   }
       
   107   else {
       
   108     $success[] = 'DROP';
       
   109   }
       
   110 
       
   111   if ($err) {
       
   112     return FALSE;
       
   113   }
       
   114 
       
   115   mysql_close($connection);
       
   116   return TRUE;
       
   117 }