mirrored from git://git.moodle.org/moodle.git
/
check_bigints.class.php
161 lines (144 loc) · 6.29 KB
/
check_bigints.class.php
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
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
/**
* @package tool_xmldb
* @copyright 2003 onwards Eloy Lafuente (stronk7) {@link http://stronk7.com}
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
/**
* reporting about the ones not physically implemented as BIGINTs
* and providing one SQL script to fix all them. MDL-11038
*
* @package tool_xmldb
* @copyright 2003 onwards Eloy Lafuente (stronk7) {@link http://stronk7.com}
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class check_bigints extends XMLDBCheckAction {
private $correct_type;
private $dbfamily;
/**
* Init method, every subclass will have its own
*/
function init() {
global $DB;
$this->introstr = 'confirmcheckbigints';
parent::init();
// Set own core attributes
// Set own custom attributes
// Get needed strings
$this->loadStrings(array(
'wrongints' => 'tool_xmldb',
'nowrongintsfound' => 'tool_xmldb',
'yeswrongintsfound' => 'tool_xmldb',
));
// Correct fields must be type bigint for MySQL and int8 for PostgreSQL
$this->dbfamily = $DB->get_dbfamily();
switch ($this->dbfamily) {
case 'mysql':
$this->correct_type = 'bigint';
break;
case 'postgres':
$this->correct_type = 'int8';
break;
default:
$this->correct_type = NULL;
}
}
protected function check_table(xmldb_table $xmldb_table, array $metacolumns) {
$o = '';
$wrong_fields = array();
// Get and process XMLDB fields
if ($xmldb_fields = $xmldb_table->getFields()) {
$o.=' <ul>';
foreach ($xmldb_fields as $xmldb_field) {
// If the field isn't integer(10), skip
if ($xmldb_field->getType() != XMLDB_TYPE_INTEGER || $xmldb_field->getLength() != 10) {
continue;
}
// If the metadata for that column doesn't exist, skip
if (!isset($metacolumns[$xmldb_field->getName()])) {
continue;
}
// To variable for better handling
$metacolumn = $metacolumns[$xmldb_field->getName()];
// Going to check this field in DB
$o.=' <li>' . $this->str['field'] . ': ' . $xmldb_field->getName() . ' ';
// Detect if the physical field is wrong
if ($metacolumn->type != $this->correct_type) {
$o.='<font color="red">' . $this->str['wrong'] . '</font>';
// Add the wrong field to the list
$obj = new stdClass();
$obj->table = $xmldb_table;
$obj->field = $xmldb_field;
$wrong_fields[] = $obj;
} else {
$o.='<font color="green">' . $this->str['ok'] . '</font>';
}
$o.='</li>';
}
$o.=' </ul>';
}
return array($o, $wrong_fields);
}
protected function display_results(array $wrong_fields) {
global $DB;
$dbman = $DB->get_manager();
$s = '';
$r = '<table class="generalbox boxaligncenter boxwidthwide" border="0" cellpadding="5" cellspacing="0" id="results">';
$r.= ' <tr><td class="generalboxcontent">';
$r.= ' <h2 class="main">' . $this->str['searchresults'] . '</h2>';
$r.= ' <p class="centerpara">' . $this->str['wrongints'] . ': ' . count($wrong_fields) . '</p>';
$r.= ' </td></tr>';
$r.= ' <tr><td class="generalboxcontent">';
// If we have found wrong integers inform about them
if (count($wrong_fields)) {
$r.= ' <p class="centerpara">' . $this->str['yeswrongintsfound'] . '</p>';
$r.= ' <ul>';
foreach ($wrong_fields as $obj) {
$xmldb_table = $obj->table;
$xmldb_field = $obj->field;
// MySQL directly supports this
// TODO: move this hack to generators!!
if ($this->dbfamily == 'mysql') {
$sqlarr = $dbman->generator->getAlterFieldSQL($xmldb_table, $xmldb_field);
// PostgreSQL (XMLDB implementation) is a bit, er... imperfect.
} else if ($this->dbfamily == 'postgres') {
$sqlarr = array('ALTER TABLE ' . $DB->get_prefix() . $xmldb_table->getName() .
' ALTER COLUMN ' . $xmldb_field->getName() . ' TYPE BIGINT;');
}
$r.= ' <li>' . $this->str['table'] . ': ' . $xmldb_table->getName() . '. ' .
$this->str['field'] . ': ' . $xmldb_field->getName() . '</li>';
// Add to output if we have sentences
if ($sqlarr) {
$sqlarr = $dbman->generator->getEndedStatements($sqlarr);
$s.= '<code>' . str_replace("\n", '<br />', implode('<br />', $sqlarr)). '</code><br />';
}
}
$r.= ' </ul>';
// Add the SQL statements (all together)
$r.= '<hr />' . $s;
} else {
$r.= ' <p class="centerpara">' . $this->str['nowrongintsfound'] . '</p>';
}
$r.= ' </td></tr>';
$r.= ' <tr><td class="generalboxcontent">';
// Add the complete log message
$r.= ' <p class="centerpara">' . $this->str['completelogbelow'] . '</p>';
$r.= ' </td></tr>';
$r.= '</table>';
return $r;
}
}