132 lines
5.5 KiB
PHP
132 lines
5.5 KiB
PHP
<?php
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// $Id$
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// PostgreSQL specific install functions
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/**
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* Check if PostgreSQL is available.
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*
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* @return
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* TRUE/FALSE
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*/
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function pgsql_is_available() {
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return function_exists('pg_connect');
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}
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/**
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* Check if we can connect to PostgreSQL.
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*
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* @return
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* TRUE/FALSE
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*/
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function drupal_test_pgsql($url, &$success) {
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if (!pgsql_is_available()) {
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drupal_set_message(st('PHP PostgreSQL support not enabled.'), 'error');
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return FALSE;
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}
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$url = parse_url($url);
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// Decode url-encoded information in the db connection string.
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$url['user'] = urldecode($url['user']);
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$url['pass'] = urldecode($url['pass']);
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$url['host'] = urldecode($url['host']);
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$url['path'] = urldecode($url['path']);
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// Build pgsql connection string and allow for non-standard PostgreSQL port.
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$conn_string = ' user='. $url['user'] .' dbname='. substr($url['path'], 1) .' password='. $url['pass'] .' host='. $url['host'];
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$conn_string .= isset($url['port']) ? ' port='. $url['port'] : '';
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// Test connecting to the database.
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$connection = @pg_connect($conn_string);
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if (!$connection) {
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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');
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return FALSE;
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}
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$success = array('CONNECT');
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// Test CREATE.
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$query = 'CREATE TABLE drupal_install_test (id integer NOT NULL)';
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$result = pg_query($connection, $query);
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if ($error = pg_result_error($result)) {
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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' => $error)), 'error');
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return FALSE;
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}
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$err = FALSE;
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$success[] = 'SELECT';
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$success[] = 'CREATE';
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// Test INSERT.
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$query = 'INSERT INTO drupal_install_test (id) VALUES (1)';
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$result = pg_query($connection, $query);
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if ($error = pg_result_error($result)) {
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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' => $error)), 'error');
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$err = TRUE;
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}
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else {
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$success[] = 'INSERT';
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}
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// Test UPDATE.
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$query = 'UPDATE drupal_install_test SET id = 2';
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$result = pg_query($connection, $query);
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if ($error = pg_result_error($result)) {
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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' => $error)), 'error');
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$err = TRUE;
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}
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else {
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$success[] = 'UPDATE';
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}
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// Test LOCK.
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$query = 'BEGIN; LOCK drupal_install_test IN SHARE ROW EXCLUSIVE MODE';
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$result = pg_query($connection, $query);
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if ($error = pg_result_error($result)) {
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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' => $error)), 'error');
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$err = TRUE;
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}
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else {
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$success[] = 'LOCK';
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}
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// Test UNLOCK, which is done automatically upon transaction end in PostgreSQL
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$query = 'COMMIT';
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$result = pg_query($connection, $query);
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if ($error = pg_result_error()) {
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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' => $error)), 'error');
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$err = TRUE;
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}
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else {
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$success[] = 'UNLOCK';
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}
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// Test DELETE.
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$query = 'DELETE FROM drupal_install_test';
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$result = pg_query($connection, $query);
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if ($error = pg_result_error()) {
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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' => $error)), 'error');
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$err = TRUE;
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}
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else {
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$success[] = 'DELETE';
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}
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// Test DROP.
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$query = 'DROP TABLE drupal_install_test';
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$result = pg_query($connection, $query);
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if ($error = pg_result_error()) {
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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' => $error)), 'error');
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$err = TRUE;
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}
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else {
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$success[] = 'DROP';
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}
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if ($err) {
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return FALSE;
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}
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pg_close($connection);
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return TRUE;
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} |