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comparison includes/install.pgsql.inc @ 1:c1f4ac30525a 6.0

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Drupal 6.0
author Franck Deroche <webmaster@defr.org>
date Tue, 23 Dec 2008 14:28:28 +0100
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0:5a113a1c4740 1:c1f4ac30525a
1 <?php
2 // $Id: install.pgsql.inc,v 1.6 2007/10/22 15:22:39 dries Exp $
3
4 // PostgreSQL specific install functions
5
6 /**
7 * Check if PostgreSQL is available.
8 *
9 * @return
10 * TRUE/FALSE
11 */
12 function pgsql_is_available() {
13 return function_exists('pg_connect');
14 }
15
16 /**
17 * Check if we can connect to PostgreSQL.
18 *
19 * @return
20 * TRUE/FALSE
21 */
22 function drupal_test_pgsql($url, &$success) {
23 if (!pgsql_is_available()) {
24 drupal_set_message(st('PHP PostgreSQL support not enabled.'), 'error');
25 return FALSE;
26 }
27
28 $url = parse_url($url);
29 $conn_string = '';
30
31 // Decode url-encoded information in the db connection string
32 if (isset($url['user'])) {
33 $conn_string .= ' user='. urldecode($url['user']);
34 }
35 if (isset($url['pass'])) {
36 $conn_string .= ' password='. urldecode($url['pass']);
37 }
38 if (isset($url['host'])) {
39 $conn_string .= ' host='. urldecode($url['host']);
40 }
41 if (isset($url['path'])) {
42 $conn_string .= ' dbname='. substr(urldecode($url['path']), 1);
43 }
44 if (isset($url['port'])) {
45 $conn_string .= ' port='. urldecode($url['port']);
46 }
47
48 // Test connecting to the database.
49 $connection = @pg_connect($conn_string);
50 if (!$connection) {
51 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');
52 return FALSE;
53 }
54
55 $success = array('CONNECT');
56
57 // Test CREATE.
58 $query = 'CREATE TABLE drupal_install_test (id integer NOT NULL)';
59 $result = pg_query($connection, $query);
60 if ($error = pg_result_error($result)) {
61 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');
62 return FALSE;
63 }
64 $err = FALSE;
65 $success[] = 'SELECT';
66 $success[] = 'CREATE';
67
68 // Test INSERT.
69 $query = 'INSERT INTO drupal_install_test (id) VALUES (1)';
70 $result = pg_query($connection, $query);
71 if ($error = pg_result_error($result)) {
72 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');
73 $err = TRUE;
74 }
75 else {
76 $success[] = 'INSERT';
77 }
78
79 // Test UPDATE.
80 $query = 'UPDATE drupal_install_test SET id = 2';
81 $result = pg_query($connection, $query);
82 if ($error = pg_result_error($result)) {
83 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');
84 $err = TRUE;
85 }
86 else {
87 $success[] = 'UPDATE';
88 }
89
90 // Test LOCK.
91 $query = 'BEGIN; LOCK drupal_install_test IN SHARE ROW EXCLUSIVE MODE';
92 $result = pg_query($connection, $query);
93 if ($error = pg_result_error($result)) {
94 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');
95 $err = TRUE;
96 }
97 else {
98 $success[] = 'LOCK';
99 }
100
101 // Test UNLOCK, which is done automatically upon transaction end in PostgreSQL
102 $query = 'COMMIT';
103 $result = pg_query($connection, $query);
104 if ($error = pg_result_error()) {
105 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');
106 $err = TRUE;
107 }
108 else {
109 $success[] = 'UNLOCK';
110 }
111
112 // Test DELETE.
113 $query = 'DELETE FROM drupal_install_test';
114 $result = pg_query($connection, $query);
115 if ($error = pg_result_error()) {
116 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');
117 $err = TRUE;
118 }
119 else {
120 $success[] = 'DELETE';
121 }
122
123 // Test DROP.
124 $query = 'DROP TABLE drupal_install_test';
125 $result = pg_query($connection, $query);
126 if ($error = pg_result_error()) {
127 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');
128 $err = TRUE;
129 }
130 else {
131 $success[] = 'DROP';
132 }
133
134 if ($err) {
135 return FALSE;
136 }
137
138 pg_close($connection);
139 return TRUE;
140 }