summaryrefslogtreecommitdiff
path: root/maintenance/populateFilearchiveSha1.php
diff options
context:
space:
mode:
authorPierre Schmitz <pierre@archlinux.de>2013-08-12 09:28:15 +0200
committerPierre Schmitz <pierre@archlinux.de>2013-08-12 09:28:15 +0200
commit08aa4418c30cfc18ccc69a0f0f9cb9e17be6c196 (patch)
tree577a29fb579188d16003a209ce2a2e9c5b0aa2bd /maintenance/populateFilearchiveSha1.php
parentcacc939b34e315b85e2d72997811eb6677996cc1 (diff)
Update to MediaWiki 1.21.1
Diffstat (limited to 'maintenance/populateFilearchiveSha1.php')
-rw-r--r--maintenance/populateFilearchiveSha1.php107
1 files changed, 107 insertions, 0 deletions
diff --git a/maintenance/populateFilearchiveSha1.php b/maintenance/populateFilearchiveSha1.php
new file mode 100644
index 00000000..27e692d1
--- /dev/null
+++ b/maintenance/populateFilearchiveSha1.php
@@ -0,0 +1,107 @@
+<?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 );