-<?
+<?php
+/**
+ * Rebuild the fulltext search indexes. This may take a while
+ * depending on the database size and server configuration.
+ *
+ * Rebuilding is faster if you drop the index and recreate it,
+ * but that will prevent searches from working while it runs.
+ *
+ * @todo document
+ * @package MediaWiki
+ * @subpackage Maintenance
+ */
-# Rebuild the fulltext search indexes. This may take a while
-# depending on the database size and server configuration.
+/** */
+define( "RTI_CHUNK_SIZE", 500 );
-# Rebuilding is faster if you drop the index and recreate it,
-# but that will prevent searches from working while it runs.
-
-function dropTextIndex()
+function dropTextIndex( &$database )
{
- if ( wfIndexExists( "searchindex", "si_title" ) ) {
+ $searchindex = $database->tableName( 'searchindex' );
+ if ( $database->indexExists( "searchindex", "si_title" ) ) {
echo "Dropping index...\n";
- $sql = "ALTER TABLE searchindex DROP INDEX si_title, DROP INDEX si_text";
- $res = wfQuery($sql, DB_WRITE, "dropTextIndex" );
+ $sql = "ALTER TABLE $searchindex DROP INDEX si_title, DROP INDEX si_text";
+ $database->query($sql, "dropTextIndex" );
}
}
-function createTextIndex()
+function createTextIndex( &$database )
{
+ $searchindex = $database->tableName( 'searchindex' );
echo "Rebuild the index...\n";
- $sql = "ALTER TABLE searchindex ADD FULLTEXT si_title (si_title), " .
+ $sql = "ALTER TABLE $searchindex ADD FULLTEXT si_title (si_title), " .
"ADD FULLTEXT si_text (si_text)";
- $res = wfQuery($sql, DB_WRITE, "createTextIndex" );
+ $database->query($sql, "createTextIndex" );
}
-function rebuildTextIndex()
+function rebuildTextIndex( &$database )
{
- $sql = "SELECT COUNT(*) AS count FROM cur";
- $res = wfQuery($sql, DB_READ, "rebuildTextIndex" );
- $s = wfFetchObject($res);
- echo "Rebuilding index fields for {$s->count} pages...\n";
+ extract( $database->tableNames( 'page', 'revision', 'text', 'searchindex' ) );
+
+ $sql = "SELECT MAX(page_id) AS count FROM $page";
+ $res = $database->query($sql, "rebuildTextIndex" );
+ $s = $database->fetchObject($res);
+ $count = $s->count;
+ echo "Rebuilding index fields for {$count} pages...\n";
$n = 0;
- $sql = "SELECT cur_id, cur_namespace, cur_title, cur_text FROM cur";
- $res = wfQuery($sql, DB_READ, "rebuildTextIndex" );
+ while ( $n < $count ) {
+ print "$n\n";
+ $end = $n + RTI_CHUNK_SIZE - 1;
+ $sql = "SELECT page_id, page_namespace, page_title, old_flags, old_text
+ FROM $page, $revision, $text
+ WHERE page_id BETWEEN $n AND $end
+ AND page_latest=rev_id
+ AND rev_text_id=old_id";
+ $res = $database->query($sql, "rebuildTextIndex" );
- while( $s = wfFetchObject($res) ) {
- $u = new SearchUpdate( $s->cur_id, $s->cur_title, $s->cur_text );
- $u->doUpdate();
- if ( ( (++$n) % 500) == 0) { echo "$n\n"; }
+ while( $s = $database->fetchObject($res) ) {
+ $revtext = Revision::getRevisionText( $s );
+ $u = new SearchUpdate( $s->page_id, $s->page_title, $revtext );
+ $u->doUpdate();
+ }
+ $database->freeResult( $res );
+ $n += RTI_CHUNK_SIZE;
}
- wfFreeResult( $res );
}
?>