diff options
Diffstat (limited to 'includes')
| -rw-r--r-- | includes/install.pgsql.inc | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/includes/install.pgsql.inc b/includes/install.pgsql.inc new file mode 100644 index 000000000..cc9da3998 --- /dev/null +++ b/includes/install.pgsql.inc @@ -0,0 +1,134 @@ +<?php +// $Id$ + +// PostgreSQL specific install functions + +/** + * Check if PostgreSQL is available. + * + * @return + * TRUE/FALSE + */ +function pgsql_is_available() { + return function_exists('pg_connect'); +} + +/** + * Check if we can connect to PostgreSQL. + * + * @return + * TRUE/FALSE + */ +function drupal_test_pgsql($url, &$success) { + if (!pgsql_is_available()) { + drupal_set_message('PHP PostgreSQL support not enabled.', 'error'); + return FALSE; + } + + $url = parse_url($url); + + // Decode url-encoded information in the db connection string. + $url['user'] = urldecode($url['user']); + $url['pass'] = urldecode($url['pass']); + $url['host'] = urldecode($url['host']); + $url['path'] = urldecode($url['path']); + + // Build pgsql connection string and allow for non-standard PostgreSQL port. + $conn_string = ' user='. $url['user'] .' dbname='. substr($url['path'], 1) .' password='. $url['pass'] . ' host=' . $url['host']; + $conn_string .= isset($url['port']) ? ' port=' . $url['port'] : ''; + + // Test connecting to the database. + $connection = @pg_connect($conn_string); + if (!$connection) { + drupal_set_message(st('Failure 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'); + return FALSE; + } + + $success = array('CONNECT'); + + // Test CREATE. + $query = 'CREATE TABLE drupal_install_test (id integer NOT NULL)'; + $result = pg_query($connection, $query); + if ($error = pg_result_error($result)) { + drupal_set_message(st('We were unable 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'); + return FALSE; + } + $err = FALSE; + $success[] = 'SELECT'; + $success[] = 'CREATE'; + + // Test INSERT. + $query = 'INSERT INTO drupal_install_test (id) VALUES (1)'; + $result = pg_query($connection, $query); + if ($error = pg_result_error($result)) { + drupal_set_message(st('We were unable 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'); + $err = TRUE; + } + else { + $success[] = 'INSERT'; + } + + // Test UPDATE. + $query = 'UPDATE drupal_install_test SET id = 2'; + $result = pg_query($connection, $query); + if ($error = pg_result_error($result)) { + drupal_set_message(st('We were unable 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'); + $err = TRUE; + } + else { + $success[] = 'UPDATE'; + } + + // Test LOCK. + $query = 'BEGIN; LOCK drupal_install_test IN SHARE ROW EXCLUSIVE MODE'; + $result = pg_query($connection, $query); + if ($error = pg_result_error($result)) { + drupal_set_message(st('We were unable 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'); + $err = TRUE; + } + else { + $success[] = 'LOCK'; + } + + // Test UNLOCK, which is done automatically upon transaction end in PostgreSQL + $query = 'COMMIT'; + $result = pg_query($connection, $query); + if ($error = pg_result_error()) { + drupal_set_message(st('We were unable 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'); + $err = TRUE; + } + else { + $success[] = 'UNLOCK'; + } + + // Test DELETE. + $query = 'DELETE FROM drupal_install_test'; + $result = pg_query($connection, $query); + if ($error = pg_result_error()) { + drupal_set_message(st('We were unable 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'); + $err = TRUE; + } + else { + $success[] = 'DELETE'; + } + + // Test DROP. + $query = 'DROP TABLE drupal_install_test'; + $result = pg_query($connection, $query); + if ($error = pg_result_error()) { + drupal_set_message(st('We were unable 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'); + $err = TRUE; + } + else { + $success[] = 'DROP'; + } + + if ($err) { + return FALSE; + } + + pg_close($connection); + return TRUE; +} + +?> |