3 * Remove cache entries for removed ResourceLoader modules from the database.
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
22 * @author Roan Kattouw
25 require_once __DIR__
. '/Maintenance.php';
28 * Maintenance script to remove cache entries for removed ResourceLoader modules
31 * @ingroup Maintenance
33 class CleanupRemovedModules
extends Maintenance
{
35 public function __construct() {
36 parent
::__construct();
37 $this->mDescription
= 'Remove cache entries for removed ResourceLoader modules from the database';
38 $this->addOption( 'batchsize', 'Delete rows in batches of this size. Default: 500', false, true );
41 'If the slave lag exceeds this many seconds, wait until it drops below this value. '
48 public function execute() {
49 $dbw = wfGetDB( DB_MASTER
);
50 $rl = new ResourceLoader( ConfigFactory
::getDefaultInstance()->makeConfig( 'main' ) );
51 $moduleNames = $rl->getModuleNames();
52 $moduleList = implode( ', ', array_map( array( $dbw, 'addQuotes' ), $moduleNames ) );
53 $limit = max( 1, intval( $this->getOption( 'batchsize', 500 ) ) );
54 $maxlag = intval( $this->getOption( 'max-slave-lag', 5 ) );
56 $this->output( "Cleaning up module_deps table...\n" );
58 $modDeps = $dbw->tableName( 'module_deps' );
60 // $dbw->delete() doesn't support LIMIT :(
61 $where = $moduleList ?
"md_module NOT IN ($moduleList)" : '1=1';
62 $dbw->query( "DELETE FROM $modDeps WHERE $where LIMIT $limit", __METHOD__
);
63 $numRows = $dbw->affectedRows();
64 $this->output( "Batch $i: $numRows rows\n" );
66 wfWaitForSlaves( $maxlag );
67 } while ( $numRows > 0 );
68 $this->output( "done\n" );
70 $this->output( "Cleaning up msg_resource table...\n" );
73 $mrRes = $dbw->tableName( 'msg_resource' );
75 $where = $moduleList ?
"mr_resource NOT IN ($moduleList)" : '1=1';
76 $dbw->query( "DELETE FROM $mrRes WHERE $where LIMIT $limit", __METHOD__
);
77 $numRows = $dbw->affectedRows();
78 $this->output( "Batch $i: $numRows rows\n" );
80 wfWaitForSlaves( $maxlag );
81 } while ( $numRows > 0 );
82 $this->output( "done\n" );
84 $this->output( "Cleaning up msg_resource_links table...\n" );
86 $msgResLinks = $dbw->tableName( 'msg_resource_links' );
88 $where = $moduleList ?
"mrl_resource NOT IN ($moduleList)" : '1=1';
89 $dbw->query( "DELETE FROM $msgResLinks WHERE $where LIMIT $limit", __METHOD__
);
90 $numRows = $dbw->affectedRows();
91 $this->output( "Batch $i: $numRows rows\n" );
93 wfWaitForSlaves( $maxlag );
94 } while ( $numRows > 0 );
95 $this->output( "done\n" );
99 $maintClass = "CleanupRemovedModules";
100 require_once RUN_MAINTENANCE_IF_MAIN
;