]> scripts.mit.edu Git - autoinstallsdev/mediawiki.git/blobdiff - maintenance/updateSearchIndex.php
MediaWiki 1.30.2
[autoinstallsdev/mediawiki.git] / maintenance / updateSearchIndex.php
index 152ce1b6cd695a1c2ecd007773ef6b320aa9e679..cdb7d9f701be7532506567a1bdb7d48db40a7878 100644 (file)
@@ -1,6 +1,6 @@
 <?php
 /**
- * Script for periodic off-peak updating of the search index
+ * Periodic off-peak updating of the search index.
  *
  * Usage: php updateSearchIndex.php [-s START] [-e END] [-p POSFILE] [-l LOCKTIME] [-q]
  * Where START is the starting timestamp
  * 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' );
 
+require_once __DIR__ . '/Maintenance.php';
+
+/**
+ * Maintenance script for periodic off-peak updating of the search index.
+ *
+ * @ingroup Maintenance
+ */
 class UpdateSearchIndex extends Maintenance {
 
        public function __construct() {
                parent::__construct();
-               $this->mDescription = "Script for periodic off-peak updating of the search index";
+               $this->addDescription( 'Script for periodic off-peak updating of the search index' );
                $this->addOption( 's', 'starting timestamp', false, true );
                $this->addOption( 'e', 'Ending timestamp', false, true );
-               $this->addOption( 'p', 'File for saving/loading timestamps, searchUpdate.WIKI_ID.pos by default', false, true );
-               $this->addOption( 'l', 'How long the searchindex and revision tables will be locked for', false, true );
+               $this->addOption(
+                       'p',
+                       'File for saving/loading timestamps, searchUpdate.WIKI_ID.pos by default',
+                       false,
+                       true
+               );
+               $this->addOption(
+                       'l',
+                       'How long the searchindex and revision tables will be locked for',
+                       false,
+                       true
+               );
        }
 
        public function getDbType() {
@@ -45,35 +61,42 @@ class UpdateSearchIndex extends Maintenance {
        }
 
        public function execute() {
-               $posFile = $this->getOption( 'p', 'searchUpdate.' . wfWikiId() . '.pos' );
+               $posFile = $this->getOption( 'p', 'searchUpdate.' . wfWikiID() . '.pos' );
                $end = $this->getOption( 'e', wfTimestampNow() );
                if ( $this->hasOption( 's' ) ) {
-                       $start = $this->getOption('s');
-               } elseif( is_readable( 'searchUpdate.pos' ) ) {
+                       $start = $this->getOption( 's' );
+               } elseif ( is_readable( 'searchUpdate.pos' ) ) {
                        # B/c to the old position file name which was hardcoded
                        # We can safely delete the file when we're done though.
                        $start = file_get_contents( 'searchUpdate.pos' );
                        unlink( 'searchUpdate.pos' );
+               } elseif ( is_readable( $posFile ) ) {
+                       $start = file_get_contents( $posFile );
                } else {
-                       $start = @file_get_contents( $posFile );
-                       if ( !$start ) {
-                               $start = wfTimestamp( TS_MW, time() - 86400 );
-                       }
+                       $start = wfTimestamp( TS_MW, time() - 86400 );
                }
                $lockTime = $this->getOption( 'l', 20 );
-               
+
                $this->doUpdateSearchIndex( $start, $end, $lockTime );
-               $file = fopen( $posFile, 'w' );
-               fwrite( $file, $end );
-               fclose( $file );
+               if ( is_writable( dirname( realpath( $posFile ) ) ) ) {
+                       $file = fopen( $posFile, 'w' );
+                       if ( $file !== false ) {
+                               fwrite( $file, $end );
+                               fclose( $file );
+                       } else {
+                               $this->error( "*** Couldn't write to the $posFile!\n" );
+                       }
+               } else {
+                       $this->error( "*** Couldn't write to the $posFile!\n" );
+               }
        }
-       
+
        private function doUpdateSearchIndex( $start, $end, $maxLockTime ) {
                global $wgDisableSearchUpdate;
 
                $wgDisableSearchUpdate = false;
 
-               $dbw = wfGetDB( DB_MASTER );
+               $dbw = $this->getDB( DB_MASTER );
                $recentchanges = $dbw->tableName( 'recentchanges' );
 
                $this->output( "Updating searchindex between $start and $end\n" );
@@ -83,91 +106,20 @@ class UpdateSearchIndex extends Maintenance {
                $end = $dbw->timestamp( $end );
 
                $page = $dbw->tableName( 'page' );
-               $sql = "SELECT rc_cur_id,rc_type,rc_moved_to_ns,rc_moved_to_title FROM $recentchanges
-                 JOIN $page ON rc_cur_id=page_id AND rc_this_oldid=page_latest
-                 WHERE rc_timestamp BETWEEN '$start' AND '$end'
-                 ";
+               $sql = "SELECT rc_cur_id FROM $recentchanges
+                       JOIN $page ON rc_cur_id=page_id AND rc_this_oldid=page_latest
+                       WHERE rc_type != " . RC_LOG . " AND rc_timestamp BETWEEN '$start' AND '$end'";
                $res = $dbw->query( $sql, __METHOD__ );
 
+               $this->updateSearchIndex( $maxLockTime, [ $this, 'searchIndexUpdateCallback' ], $dbw, $res );
 
-               # Lock searchindex
-               if ( $maxLockTime ) {
-                       $this->output( "   --- Waiting for lock ---" );
-                       $this->lockSearchindex( $dbw );
-                       $lockTime = time();
-                       $this->output( "\n" );
-               }
-
-               # Loop through the results and do a search update
-               foreach ( $res as $row ) {
-                       # Allow reads to be processed
-                       if ( $maxLockTime && time() > $lockTime + $maxLockTime ) {
-                               $this->output( "    --- Relocking ---" );
-                               $this->relockSearchindex( $dbw );
-                               $lockTime = time();
-                               $this->output( "\n" );
-                       }
-                       if ( $row->rc_type == RC_LOG ) {
-                               continue;
-                       } elseif ( $row->rc_type == RC_MOVE || $row->rc_type == RC_MOVE_OVER_REDIRECT ) {
-                               # Rename searchindex entry
-                               $titleObj = Title::makeTitle( $row->rc_moved_to_ns, $row->rc_moved_to_title );
-                               $title = $titleObj->getPrefixedDBkey();
-                               $this->output( "$title..." );
-                               $u = new SearchUpdate( $row->rc_cur_id, $title, false );
-                               $this->output( "\n" );
-                       } else {
-                               // Get current revision
-                               $rev = Revision::loadFromPageId( $dbw, $row->rc_cur_id );
-                               if( $rev ) {
-                                       $titleObj = $rev->getTitle();
-                                       $title = $titleObj->getPrefixedDBkey();
-                                       $this->output( $title );
-                                       # Update searchindex
-                                       $u = new SearchUpdate( $row->rc_cur_id, $titleObj->getText(), $rev->getText() );
-                                       $u->doUpdate();
-                                       $this->output( "\n" );
-                               }
-                       }
-               }
-
-               # Unlock searchindex
-               if ( $maxLockTime ) {
-                       $this->output( "    --- Unlocking --" );
-                       $this->unlockSearchindex( $dbw );
-                       $this->output( "\n" );
-               }
                $this->output( "Done\n" );
        }
 
-       /**
-        * Lock the search index
-        * @param &$db Database object
-        */
-       private function lockSearchindex( &$db ) {
-               $write = array( 'searchindex' );
-               $read = array( 'page', 'revision', 'text', 'interwiki' );
-               $db->lockTables( $read, $write, 'updateSearchIndex.php ' . __METHOD__ );
-       }
-
-       /**
-        * Unlock the tables
-        * @param &$db Database object
-        */
-       private function unlockSearchindex( &$db ) {
-               $db->unlockTables( 'updateSearchIndex.php ' . __METHOD__ );
-       }
-       
-       /**
-        * Unlock and lock again
-        * Since the lock is low-priority, queued reads will be able to complete
-        * @param &$db Database object
-        */
-       private function relockSearchindex( &$db ) {
-               $this->unlockSearchindex( $db );
-               $this->lockSearchindex( $db );
+       public function searchIndexUpdateCallback( $dbw, $row ) {
+               $this->updateSearchIndexForPage( $dbw, $row->rc_cur_id );
        }
 }
 
 $maintClass = "UpdateSearchIndex";
-require_once( DO_MAINTENANCE );
+require_once RUN_MAINTENANCE_IF_MAIN;