1 | <?php |
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2 | |
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3 | // PostgreSQL specific install functions |
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4 | |
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5 | /** |
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6 | * Check if PostgreSQL is available. |
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7 | * |
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8 | * @return |
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9 | * TRUE/FALSE |
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10 | */ |
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11 | function pgsql_is_available() { |
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12 | return function_exists('pg_connect'); |
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13 | } |
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14 | |
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15 | /** |
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16 | * Check if we can connect to PostgreSQL. |
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17 | * |
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18 | * @return |
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19 | * TRUE/FALSE |
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20 | */ |
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21 | function drupal_test_pgsql($url, &$success) { |
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22 | if (!pgsql_is_available()) { |
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23 | drupal_set_message(st('PHP PostgreSQL support not enabled.'), 'error'); |
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24 | return FALSE; |
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25 | } |
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26 | |
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27 | $url = parse_url($url); |
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28 | $conn_string = ''; |
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29 | |
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30 | // Decode urlencoded information in the db connection string |
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31 | if (isset($url['user'])) { |
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32 | $conn_string .= ' user='. urldecode($url['user']); |
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33 | } |
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34 | if (isset($url['pass'])) { |
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35 | $conn_string .= ' password='. urldecode($url['pass']); |
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36 | } |
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37 | if (isset($url['host'])) { |
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38 | $conn_string .= ' host='. urldecode($url['host']); |
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39 | } |
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40 | if (isset($url['path'])) { |
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41 | $conn_string .= ' dbname='. substr(urldecode($url['path']), 1); |
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42 | } |
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43 | if (isset($url['port'])) { |
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44 | $conn_string .= ' port='. urldecode($url['port']); |
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45 | } |
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46 | |
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47 | // Test connecting to the database. |
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48 | $connection = @pg_connect($conn_string); |
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49 | if (!$connection) { |
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50 | drupal_set_message(st('Failed to connect to your PostgreSQL database server. PostgreSQL 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><li>Are you sure you typed the correct database name?</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' => 'Connection failed. See log file for failure reason')), '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 integer NOT NULL)'; |
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58 | $result = pg_query($connection, $query); |
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59 | if ($error = pg_result_error($result)) { |
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60 | drupal_set_message(st('Failed to create a test table on your PostgreSQL database server with the command %query. PostgreSQL reports the following message: %error.<ul><li>Are you sure the configured username has the necessary PostgreSQL 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 | $result = pg_query($connection, $query); |
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70 | if ($error = pg_result_error($result)) { |
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71 | drupal_set_message(st('Failed to insert a value into a test table on your PostgreSQL database server. We tried inserting a value with the command %query and PostgreSQL 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 | $result = pg_query($connection, $query); |
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81 | if ($error = pg_result_error($result)) { |
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82 | drupal_set_message(st('Failed to update a value in a test table on your PostgreSQL database server. We tried updating a value with the command %query and PostgreSQL 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 LOCK. |
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90 | $query = 'BEGIN; LOCK drupal_install_test IN SHARE ROW EXCLUSIVE MODE'; |
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91 | $result = pg_query($connection, $query); |
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92 | if ($error = pg_result_error($result)) { |
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93 | drupal_set_message(st('Failed to lock a test table on your PostgreSQL database server. We tried locking a table with the command %query and PostgreSQL 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[] = 'LOCK'; |
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98 | } |
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99 | |
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100 | // Test UNLOCK, which is done automatically upon transaction end in PostgreSQL |
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101 | $query = 'COMMIT'; |
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102 | $result = pg_query($connection, $query); |
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103 | if ($error = pg_result_error()) { |
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104 | drupal_set_message(st('Failed to unlock a test table on your PostgreSQL database server. We tried unlocking a table with the command %query and PostgreSQL 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[] = 'UNLOCK'; |
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109 | } |
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110 | |
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111 | // Test DELETE. |
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112 | $query = 'DELETE FROM drupal_install_test'; |
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113 | $result = pg_query($connection, $query); |
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114 | if ($error = pg_result_error()) { |
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115 | drupal_set_message(st('Failed to delete a value from a test table on your PostgreSQL database server. We tried deleting a value with the command %query and PostgreSQL reported the following error: %error.', array('%query' => $query, '%error' => $error)), 'error'); |
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116 | $err = TRUE; |
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117 | } |
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118 | else { |
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119 | $success[] = 'DELETE'; |
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120 | } |
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121 | |
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122 | // Test DROP. |
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123 | $query = 'DROP TABLE drupal_install_test'; |
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124 | $result = pg_query($connection, $query); |
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125 | if ($error = pg_result_error()) { |
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126 | drupal_set_message(st('Failed to drop a test table from your PostgreSQL database server. We tried dropping a table with the command %query and PostgreSQL reported the following error %error.', array('%query' => $query, '%error' => $error)), 'error'); |
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127 | $err = TRUE; |
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128 | } |
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129 | else { |
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130 | $success[] = 'DROP'; |
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131 | } |
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132 | |
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133 | if ($err) { |
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134 | return FALSE; |
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135 | } |
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136 | |
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137 | pg_close($connection); |
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138 | return TRUE; |
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139 | } |
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