1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
|
<?php
// +----------------------------------------------------------------------+
// | PHP versions 4 and 5 |
// +----------------------------------------------------------------------+
// | Copyright (c) 2006-2007 Lorenzo Alberton |
// | All rights reserved. |
// +----------------------------------------------------------------------+
// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB |
// | API as well as database abstraction for PHP applications. |
// | This LICENSE is in the BSD license style. |
// | |
// | Redistribution and use in source and binary forms, with or without |
// | modification, are permitted provided that the following conditions |
// | are met: |
// | |
// | Redistributions of source code must retain the above copyright |
// | notice, this list of conditions and the following disclaimer. |
// | |
// | Redistributions in binary form must reproduce the above copyright |
// | notice, this list of conditions and the following disclaimer in the |
// | documentation and/or other materials provided with the distribution. |
// | |
// | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken, |
// | Lukas Smith nor the names of his contributors may be used to endorse |
// | or promote products derived from this software without specific prior|
// | written permission. |
// | |
// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
// | FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
// | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
// | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
// | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS|
// | OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
// | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
// | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY|
// | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
// | POSSIBILITY OF SUCH DAMAGE. |
// +----------------------------------------------------------------------+
// | Author: Lorenzo Alberton <l.alberton@quipo.it> |
// +----------------------------------------------------------------------+
//
// $Id: PgsqlHelper.php 322038 2012-01-10 21:54:04Z danielc $
class Nonstandard_PgsqlHelper extends Nonstandard_Base {
public $trigger_body = '';
public function createTrigger($trigger_name, $table_name) {
// Ensure plpgsql is loaded.
$res = $this->db->exec('CREATE LANGUAGE plpgsql');
$this->trigger_body = 'EXECUTE PROCEDURE '.$trigger_name.'_func();';
$table_name = $this->db->quoteIdentifier($table_name);
$sql = 'CREATE OR REPLACE FUNCTION '.$trigger_name.'_func() RETURNS trigger AS \'
DECLARE
id_number INTEGER;
BEGIN
SELECT INTO id_number id FROM '. $table_name .' WHERE id = NEW.id;
RETURN NEW;
END;
\' LANGUAGE \'plpgsql\';';
$res = $this->db->exec($sql);
if (MDB2::isError($res)) {
return $res;
}
$query = 'CREATE TRIGGER '. $trigger_name .' AFTER UPDATE ON '. $table_name .'
FOR EACH ROW ' .$this->trigger_body;
return $this->db->exec($query);
}
public function checkTrigger($trigger_name, $table_name, $def) {
parent::checkTrigger($trigger_name, $table_name, $def);
$this->test->assertEquals($this->trigger_body, $def['trigger_body']);
}
public function dropTrigger($trigger_name, $table_name) {
return $this->db->exec('DROP TRIGGER '.$trigger_name .' ON '. $table_name);
}
public function createFunction($name) {
$query = "CREATE FUNCTION $name (Decimal(6,2), Decimal(6,2)) RETURNS Decimal(6,2)
AS 'select $1 + $2;'
LANGUAGE SQL
IMMUTABLE
RETURNS NULL ON NULL INPUT";
return $this->db->exec($query);
}
public function dropFunction($name) {
return $this->db->exec('DROP FUNCTION '.$name.' (Decimal(6,2), Decimal(6,2))');
}
}
|
