3 * Upgrade script to populate the rc_source field
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License along
16 * with this program; if not, write to the Free Software Foundation, Inc.,
17 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
18 * http://www.gnu.org/copyleft/gpl.html
21 * @ingroup Maintenance
24 require_once __DIR__
. '/Maintenance.php';
26 use Wikimedia\Rdbms\IDatabase
;
29 * Maintenance script to populate the rc_source field.
31 * @ingroup Maintenance
34 class PopulateRecentChangesSource
extends LoggedUpdateMaintenance
{
35 public function __construct() {
36 parent
::__construct();
37 $this->addDescription(
38 'Populates rc_source field of the recentchanges table with the data in rc_type.' );
39 $this->setBatchSize( 100 );
42 protected function doDBUpdates() {
43 $dbw = $this->getDB( DB_MASTER
);
44 $batchSize = $this->getBatchSize();
45 if ( !$dbw->fieldExists( 'recentchanges', 'rc_source' ) ) {
46 $this->error( 'rc_source field in recentchanges table does not exist.' );
49 $start = $dbw->selectField( 'recentchanges', 'MIN(rc_id)', false, __METHOD__
);
51 $this->output( "Nothing to do.\n" );
55 $end = $dbw->selectField( 'recentchanges', 'MAX(rc_id)', false, __METHOD__
);
56 $end +
= $batchSize - 1;
58 $blockEnd = $start +
$batchSize - 1;
60 $updatedValues = $this->buildUpdateCondition( $dbw );
62 while ( $blockEnd <= $end ) {
68 "rc_id BETWEEN " . (int)$blockStart . " AND " . (int)$blockEnd
76 $blockStart +
= $batchSize;
77 $blockEnd +
= $batchSize;
80 $this->output( "\nDone.\n" );
83 protected function getUpdateKey() {
87 protected function buildUpdateCondition( IDatabase
$dbw ) {
88 $rcNew = $dbw->addQuotes( RC_NEW
);
89 $rcSrcNew = $dbw->addQuotes( RecentChange
::SRC_NEW
);
90 $rcEdit = $dbw->addQuotes( RC_EDIT
);
91 $rcSrcEdit = $dbw->addQuotes( RecentChange
::SRC_EDIT
);
92 $rcLog = $dbw->addQuotes( RC_LOG
);
93 $rcSrcLog = $dbw->addQuotes( RecentChange
::SRC_LOG
);
94 $rcExternal = $dbw->addQuotes( RC_EXTERNAL
);
95 $rcSrcExternal = $dbw->addQuotes( RecentChange
::SRC_EXTERNAL
);
97 return "rc_source = CASE
98 WHEN rc_type = $rcNew THEN $rcSrcNew
99 WHEN rc_type = $rcEdit THEN $rcSrcEdit
100 WHEN rc_type = $rcLog THEN $rcSrcLog
101 WHEN rc_type = $rcExternal THEN $rcSrcExternal
107 $maintClass = "PopulateRecentChangesSource";
108 require_once RUN_MAINTENANCE_IF_MAIN
;