00001 <?php
00002 require_once 'counter.php';
00016 define( "RTI_CHUNK_SIZE", 500 );
00017
00018 function dropTextIndex( &$database )
00019 {
00020 $searchindex = $database->tableName( 'searchindex' );
00021 if ( $database->indexExists( "searchindex", "si_title" ) ) {
00022 echo "Dropping index...\n";
00023 $sql = "ALTER TABLE $searchindex DROP INDEX si_title, DROP INDEX si_text";
00024 $database->query($sql, "dropTextIndex" );
00025 }
00026 }
00027
00028 function createTextIndex( &$database )
00029 {
00030 $searchindex = $database->tableName( 'searchindex' );
00031 echo "\nRebuild the index...\n";
00032 $sql = "ALTER TABLE $searchindex ADD FULLTEXT si_title (si_title), " .
00033 "ADD FULLTEXT si_text (si_text)";
00034 $database->query($sql, "createTextIndex" );
00035 }
00036
00037 function rebuildTextIndex( &$database )
00038 {
00039 list ($page, $revision, $text, $searchindex) = $database->tableNamesN( 'page', 'revision', 'text', 'searchindex' );
00040
00041 $sql = "SELECT MAX(page_id) AS count FROM $page";
00042 $res = $database->query($sql, "rebuildTextIndex" );
00043 $s = $database->fetchObject($res);
00044 $count = $s->count;
00045 echo "Rebuilding index fields for {$count} pages...\n";
00046 $n = 0;
00047
00048 while ( $n < $count ) {
00049 print_c( $n - 1, $n);
00050 $end = $n + RTI_CHUNK_SIZE - 1;
00051 $sql = "SELECT page_id, page_namespace, page_title, old_flags, old_text
00052 FROM $page, $revision, $text
00053 WHERE page_id BETWEEN $n AND $end
00054 AND page_latest=rev_id
00055 AND rev_text_id=old_id";
00056 $res = $database->query($sql, "rebuildTextIndex" );
00057
00058 while( $s = $database->fetchObject($res) ) {
00059 $revtext = Revision::getRevisionText( $s );
00060 $u = new SearchUpdate( $s->page_id, $s->page_title, $revtext );
00061 $u->doUpdate();
00062 }
00063 $database->freeResult( $res );
00064 $n += RTI_CHUNK_SIZE;
00065 }
00066 }