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 }