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1 <?php
2 /*=====================================================================*\
3 || ###################################################################
4 || # Blue Static ISSO Framework
5 || # Copyright ©2002-[#]year[#] Blue Static
6 || #
7 || # This program is free software; you can redistribute it and/or modify
8 || # it under the terms of the GNU General Public License as published by
9 || # the Free Software Foundation; version [#]gpl[#] of the License.
10 || #
11 || # This program is distributed in the hope that it will be useful, but
12 || # WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
13 || # or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
14 || # more details.
15 || #
16 || # You should have received a copy of the GNU General Public License along
17 || # with this program; if not, write to the Free Software Foundation, Inc.,
18 || # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
19 || ###################################################################
20 \*=====================================================================*/
21
22 /**
23 * PostgreSQL Database Layer (DbPostgreSql.php)
24 *
25 * @package ISSO
26 */
27
28 require_once('ISSO/Db.php');
29
30 /**
31 * PostgreSQL Database Layer
32 *
33 * This framework is a function wrapper for PostgreSQL functions so we can have
34 * better error reporting and query reporting.
35 *
36 * @author Blue Static
37 * @copyright Copyright ©2002 - [#]year[#], Blue Static
38 * @version $Revision$
39 * @package ISSO
40 *
41 */
42 class BSDbPostgreSql extends BSDb
43 {
44 /**
45 * Port number to connect to
46 * @var integer
47 */
48 private $port = 5432;
49
50 // ###################################################################
51 /**
52 * Sets the port number for the connection
53 *
54 * @param integer Port number
55 */
56 public function setPort($port)
57 {
58 $this->port = $port;
59 }
60
61 // ###################################################################
62 /**
63 * Wrapper: pg_connect
64 */
65 protected function _connect($server, $user, $password, $database)
66 {
67 return pg_connect("host='$server' port={$this->port} user='$user' password='$password' dbname='$database'");
68 }
69
70 // ###################################################################
71 /**
72 * Wrapper: pg_escape_string
73 */
74 protected function _escapeString()
75 {
76 return pg_escape_string($string);
77 }
78
79 // ###################################################################
80 /**
81 * Wrapper/no support: error string
82 */
83 protected function _errorString()
84 {
85 if ($this->result)
86 {
87 return pg_result_error($this->result);
88 }
89
90 return pg_last_error($this->dblink);
91 }
92
93 // ###################################################################
94 /**
95 * Not supported: error numbers
96 */
97 protected function _errorNumber()
98 {
99 return -1;
100 }
101
102 // ###################################################################
103 /**
104 * Overload: insertId
105 */
106 public function insertId($table, $field)
107 {
108 $temp = $this->queryFirst("SELECT last_value FROM {$table}_{$field}_seq");
109 return $temp['last_value'];
110 }
111
112 protected function _insertId()
113 {
114 // we never get here
115 }
116
117 // ###################################################################
118 /**
119 * Wrapper: pg_fetch_assoc
120 */
121 protected function _fetchAssocArray($result)
122 {
123 return pg_fetch_assoc($result);
124 }
125
126 // ###################################################################
127 /**
128 * Wrapper: pg_fetch_row
129 */
130 protected function _fetchRowArray($result)
131 {
132 return pg_fetch_row($result);
133 }
134
135 // ###################################################################
136 /**
137 * Wrapper: pg_fetch_object
138 */
139 public function _fetchObject($result)
140 {
141 return pg_fetch_object($result);
142 }
143
144 // ###################################################################
145 /**
146 * Wrapper: pg_free_result
147 */
148 protected function _freeResult($result)
149 {
150 pg_free_result($result);
151 }
152
153 // ###################################################################
154 /**
155 * Wrapper: pg_num_rows
156 */
157 protected function _numRows($result)
158 {
159 return pg_num_rows($result);
160 }
161
162 // ###################################################################
163 /**
164 * Wrapper: pg_affected_rows
165 */
166 protected function _affectedRows($result)
167 {
168 return pg_affected_rows($result);
169 }
170
171 // ###################################################################
172 /**
173 * Starts a database transaction
174 */
175 public function transactionStart()
176 {
177 $this->query("BEGIN");
178 }
179
180 // ###################################################################
181 /**
182 * Saves current transaction steps as a savepoint
183 *
184 * @param string Named savepoint
185 */
186 public function transactionSavepoint($name)
187 {
188 $this->query("SAVEPOINT $name");
189 }
190
191 // ###################################################################
192 /**
193 * Reverts a transaction back to a given savepoint
194 *
195 * @param string Named savepoint
196 */
197 public function transactionRollback($name = null)
198 {
199 $this->query("ROLLBACK" . ($name != null ? " TO $name" : ""));
200 }
201
202 // ###################################################################
203 /**
204 * Commits a database transaction
205 */
206 public function transactionCommit()
207 {
208 $this->query("COMMIT");
209 }
210
211 // ###################################################################
212 /**
213 * Returns the error number
214 *
215 * @return integer Error number
216 */
217 public function _errorNumber()
218 {
219 return -1;
220 }
221
222 // ###################################################################
223 /**
224 * Returns the error string
225 *
226 * @return string Error string
227 */
228 public function _errorString()
229 {
230 return pg_last_error($this->dblink);
231 }
232 }
233
234 /*=====================================================================*\
235 || ###################################################################
236 || # $HeadURL$
237 || # $Id$
238 || ###################################################################
239 \*=====================================================================*/
240 ?>