* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
* http://www.gnu.org/copyleft/gpl.html
*
+ * @file
* @ingroup Maintenance
* @todo document
*/
-require_once( dirname( __FILE__ ) . '/Maintenance.php' );
+require_once( __DIR__ . '/Maintenance.php' );
+/**
+ * Maintenance script that rebuilds search index table from scratch.
+ *
+ * @ingroup Maintenance
+ */
class RebuildTextIndex extends Maintenance {
- const RTI_CHUNK_SIZE = 500;
+ const RTI_CHUNK_SIZE = 500;
+
+ /**
+ * @var DatabaseBase
+ */
private $db;
public function __construct() {
}
public function execute() {
- global $wgTitle, $wgDBtype;
+ global $wgTitle;
// Shouldn't be needed for Postgres
- if ( $wgDBtype == 'postgres' ) {
+ $this->db = wfGetDB( DB_MASTER );
+ if ( $this->db->getType() == 'postgres' ) {
$this->error( "This script is not needed when using Postgres.\n", true );
}
-
+
$this->db = wfGetDB( DB_MASTER );
if ( $this->db->getType() == 'sqlite' ) {
- if ( !$this->db->getFulltextSearchModule() ) {
- $this->error( "Your version of SQLite module for PHP doesn't support full-text search (FTS3).\n" );
+ if ( !DatabaseSqlite::getFulltextSearchModule() ) {
+ $this->error( "Your version of SQLite module for PHP doesn't support full-text search (FTS3).\n", true );
}
if ( !$this->db->checkForEnabledSearch() ) {
- $this->error( "Your database schema is not configured for full-text search support. Run update.php.\n" );
+ $this->error( "Your database schema is not configured for full-text search support. Run update.php.\n", true );
}
}
-
+
$wgTitle = Title::newFromText( "Rebuild text index script" );
-
+
if ( $this->db->getType() == 'mysql' ) {
$this->dropMysqlTextIndex();
$this->populateSearchIndex();
$this->clearSearchIndex();
$this->populateSearchIndex();
}
-
+
$this->output( "Done.\n" );
}
$count = $s->count;
$this->output( "Rebuilding index fields for {$count} pages...\n" );
$n = 0;
-
+
+ $fields = array_merge(
+ Revision::selectPageFields(),
+ Revision::selectFields(),
+ Revision::selectTextFields()
+ );
+
while ( $n < $count ) {
if ( $n ) {
$this->output( $n . "\n" );
}
$end = $n + self::RTI_CHUNK_SIZE - 1;
- $res = $this->db->select( array( 'page', 'revision', 'text' ),
- array( 'page_id', 'page_namespace', 'page_title', 'old_flags', 'old_text' ),
+ $res = $this->db->select( array( 'page', 'revision', 'text' ), $fields,
array( "page_id BETWEEN $n AND $end", 'page_latest = rev_id', 'rev_text_id = old_id' ),
__METHOD__
- );
-
+ );
+
foreach ( $res as $s ) {
- $revtext = Revision::getRevisionText( $s );
- $u = new SearchUpdate( $s->page_id, $s->page_title, $revtext );
- $u->doUpdate();
+ try {
+ $title = Title::makeTitle( $s->page_namespace, $s->page_title );
+
+ $rev = new Revision( $s );
+ $content = $rev->getContent();
+ $text = $content->getTextForSearchIndex();
+
+ $u = new SearchUpdate( $s->page_id, $title, $text );
+ $u->doUpdate();
+ } catch ( MWContentSerializationException $ex ) {
+ $this->output( "Failed to deserialize content of revision {$s->rev_id} of page "
+ . "`" . $title->getPrefixedDBkey() . "`!\n" );
+ }
}
$n += self::RTI_CHUNK_SIZE;
}
*/
private function dropMysqlTextIndex() {
$searchindex = $this->db->tableName( 'searchindex' );
- if ( $this->db->indexExists( 'searchindex', 'si_title' ) ) {
+ if ( $this->db->indexExists( 'searchindex', 'si_title', __METHOD__ ) ) {
$this->output( "Dropping index...\n" );
$sql = "ALTER TABLE $searchindex DROP INDEX si_title, DROP INDEX si_text";
$this->db->query( $sql, __METHOD__ );
}
$maintClass = "RebuildTextIndex";
-require_once( DO_MAINTENANCE );
+require_once( RUN_MAINTENANCE_IF_MAIN );