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<?php // $Id: install.pgsql.inc,v 1.6 2007/10/22 15:22:39 dries Exp $
// 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(st('PHP PostgreSQL support not enabled.'), 'error'); return FALSE; }
$url = parse_url($url); $conn_string = '';
// Decode url-encoded information in the db connection string if (isset($url['user'])) { $conn_string .= ' user='. urldecode($url['user']); } if (isset($url['pass'])) { $conn_string .= ' password='. urldecode($url['pass']); } if (isset($url['host'])) { $conn_string .= ' host='. urldecode($url['host']); } if (isset($url['path'])) { $conn_string .= ' dbname='. substr(urldecode($url['path']), 1); } if (isset($url['port'])) { $conn_string .= ' port='. urldecode($url['port']); }
// Test connecting to the database. $connection = @pg_connect($conn_string); if (!$connection) { 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'); 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('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'); 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('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'); $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('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'); $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('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'); $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('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'); $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('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'); $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('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'); $err = TRUE; } else { $success[] = 'DROP'; }
if ($err) { return FALSE; }
pg_close($connection); return TRUE; }
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