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