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<?php
/**
* Optional upgrade script to populate the fa_sha1 field
*
* This program 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 2 of the License, or
* (at your option) any later version.
*
* This program 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 this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
* http://www.gnu.org/copyleft/gpl.html
*
* @file
* @ingroup Maintenance
*/
require_once dirname( __FILE__ ) . '/Maintenance.php';
/**
* Maintenance script to populate the fa_sha1 field.
*
* @ingroup Maintenance
* @since 1.21
*/
class PopulateFilearchiveSha1 extends LoggedUpdateMaintenance {
public function __construct() {
parent::__construct();
$this->mDescription = "Populate the fa_sha1 field from fa_storage_key";
}
protected function getUpdateKey() {
return 'populate fa_sha1';
}
protected function updateSkippedMessage() {
return 'fa_sha1 column of filearchive table already populated.';
}
public function doDBUpdates() {
$startTime = microtime( true );
$dbw = wfGetDB( DB_MASTER );
$table = 'filearchive';
$conds = array( 'fa_sha1' => '', 'fa_storage_key IS NOT NULL' );
if ( !$dbw->fieldExists( $table, 'fa_sha1', __METHOD__ ) ) {
$this->output( "fa_sha1 column does not exist\n\n", true );
return false;
}
$this->output( "Populating fa_sha1 field from fa_storage_key\n" );
$endId = $dbw->selectField( $table, 'MAX(fa_id)', false, __METHOD__ );
$batchSize = $this->mBatchSize;
$done = 0;
do {
$res = $dbw->select(
$table,
array( 'fa_id', 'fa_storage_key' ),
$conds,
__METHOD__,
array( 'LIMIT' => $batchSize )
);
$i = 0;
foreach ( $res as $row ) {
if ( $row->fa_storage_key == '' ) {
// Revision was missing pre-deletion
continue;
}
$sha1 = LocalRepo::getHashFromKey( $row->fa_storage_key );
$dbw->update( $table,
array( 'fa_sha1' => $sha1 ),
array( 'fa_id' => $row->fa_id ),
__METHOD__
);
$lastId = $row->fa_id;
$i++;
}
$done += $i;
if ( $i !== $batchSize ) {
break;
}
// print status and let slaves catch up
$this->output( sprintf(
"id %d done (up to %d), %5.3f%% \r", $lastId, $endId, $lastId / $endId * 100 ) );
wfWaitForSlaves();
} while ( true );
$processingTime = microtime( true ) - $startTime;
$this->output( sprintf( "\nDone %d files in %.1f seconds\n", $done, $processingTime ) );
return true; // we only updated *some* files, don't log
}
}
$maintClass = "PopulateFilearchiveSha1";
require_once RUN_MAINTENANCE_IF_MAIN;
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