From 2502fd70bc2347e6d83bdf7f55ccac17cf23ebb6 Mon Sep 17 00:00:00 2001 From: Chad Horohoe Date: Fri, 20 Aug 2010 14:48:31 +0000 Subject: [PATCH] Missed the svn del --- maintenance/convertLinks.inc | 218 ----------------------------------- 1 file changed, 218 deletions(-) delete mode 100644 maintenance/convertLinks.inc diff --git a/maintenance/convertLinks.inc b/maintenance/convertLinks.inc deleted file mode 100644 index 9915462f9c..0000000000 --- a/maintenance/convertLinks.inc +++ /dev/null @@ -1,218 +0,0 @@ -tableNamesN( 'cur', 'links', 'links_temp', 'links_backup' ); - - // Get database-agnostic limit clause - $sql_limit = $dbw->limitResult( "SELECT l_from FROM $links", 1 ); - $res = $dbw->query( $sql_limit ); - if ( $dbw->fieldType( $res, 0 ) == "int" ) { - wfOut( "Schema already converted\n" ); - return; - } - - $res = $dbw->query( "SELECT COUNT(*) AS count FROM $links" ); - $row = $dbw->fetchObject( $res ); - $numRows = $row->count; - $dbw->freeResult( $res ); - - if ( $numRows == 0 ) { - wfOut( "Updating schema (no rows to convert)...\n" ); - createTempTable(); - } else { - if ( $logPerformance ) { $fh = fopen ( $perfLogFilename, "w" ); } - $baseTime = $startTime = getMicroTime(); - # Create a title -> cur_id map - wfOut( "Loading IDs from $cur table...\n" ); - performanceLog ( "Reading $numRows rows from cur table...\n" ); - performanceLog ( "rows read vs seconds elapsed:\n" ); - - $dbw->bufferResults( false ); - $res = $dbw->query( "SELECT cur_namespace,cur_title,cur_id FROM $cur" ); - $ids = array(); - - while ( $row = $dbw->fetchObject( $res ) ) { - $title = $row->cur_title; - if ( $row->cur_namespace ) { - $title = $wgLang->getNsText( $row->cur_namespace ) . ":$title"; - } - $ids[$title] = $row->cur_id; - $curRowsRead++; - if ( $reportCurReadProgress ) { - if ( ( $curRowsRead % $curReadReportInterval ) == 0 ) { - performanceLog( $curRowsRead . " " . ( getMicroTime() - $baseTime ) . "\n" ); - wfOut( "\t$curRowsRead rows of $cur table read.\n" ); - } - } - } - $dbw->freeResult( $res ); - $dbw->bufferResults( true ); - wfOut( "Finished loading IDs.\n\n" ); - performanceLog( "Took " . ( getMicroTime() - $baseTime ) . " seconds to load IDs.\n\n" ); - # -------------------------------------------------------------------- - - # Now, step through the links table (in chunks of $linksConvInsertInterval rows), - # convert, and write to the new table. - createTempTable(); - performanceLog( "Resetting timer.\n\n" ); - $baseTime = getMicroTime(); - wfOut( "Processing $numRows rows from $links table...\n" ); - performanceLog( "Processing $numRows rows from $links table...\n" ); - performanceLog( "rows inserted vs seconds elapsed:\n" ); - - for ( $rowOffset = $initialRowOffset; $rowOffset < $numRows; $rowOffset += $linksConvInsertInterval ) { - $sqlRead = "SELECT * FROM $links "; - $sqlRead = $dbw->limitResult( $sqlRead, $linksConvInsertInterval, $rowOffset ); - $res = $dbw->query( $sqlRead ); - if ( $noKeys ) { - $sqlWrite = array( "INSERT INTO $links_temp (l_from,l_to) VALUES " ); - } else { - $sqlWrite = array( "INSERT IGNORE INTO $links_temp (l_from,l_to) VALUES " ); - } - - $tuplesAdded = 0; # no tuples added to INSERT yet - while ( $row = $dbw->fetchObject( $res ) ) { - $fromTitle = $row->l_from; - if ( array_key_exists( $fromTitle, $ids ) ) { # valid title - $from = $ids[$fromTitle]; - $to = $row->l_to; - if ( $tuplesAdded != 0 ) { - $sqlWrite[] = ","; - } - $sqlWrite[] = "($from,$to)"; - $tuplesAdded++; - } else { # invalid title - $numBadLinks++; - } - } - $dbw->freeResult( $res ); - # wfOut( "rowOffset: $rowOffset\ttuplesAdded: $tuplesAdded\tnumBadLinks: $numBadLinks\n" ); - if ( $tuplesAdded != 0 ) { - if ( $reportLinksConvProgress ) { - wfOut( "Inserting $tuplesAdded tuples into $links_temp..." ); - } - $dbw->query( implode( "", $sqlWrite ) ); - $totalTuplesInserted += $tuplesAdded; - if ( $reportLinksConvProgress ) - wfOut( " done. Total $totalTuplesInserted tuples inserted.\n" ); - performanceLog( $totalTuplesInserted . " " . ( getMicroTime() - $baseTime ) . "\n" ); - } - } - wfOut( "$totalTuplesInserted valid titles and $numBadLinks invalid titles were processed.\n\n" ); - performanceLog( "$totalTuplesInserted valid titles and $numBadLinks invalid titles were processed.\n" ); - performanceLog( "Total execution time: " . ( getMicroTime() - $startTime ) . " seconds.\n" ); - if ( $logPerformance ) { fclose ( $fh ); } - } - # -------------------------------------------------------------------- - - if ( $overwriteLinksTable ) { - $dbConn = Database::newFromParams( $wgDBserver, $wgDBadminuser, $wgDBadminpassword, $wgDBname ); - if ( !( $dbConn->isOpen() ) ) { - wfOut( "Opening connection to database failed.\n" ); - return; - } - # Check for existing links_backup, and delete it if it exists. - wfOut( "Dropping backup links table if it exists..." ); - $dbConn->query( "DROP TABLE IF EXISTS $links_backup", DB_MASTER ); - wfOut( " done.\n" ); - - # Swap in the new table, and move old links table to links_backup - wfOut( "Swapping tables '$links' to '$links_backup'; '$links_temp' to '$links'..." ); - $dbConn->query( "RENAME TABLE links TO $links_backup, $links_temp TO $links", DB_MASTER ); - wfOut( " done.\n\n" ); - - $dbConn->close(); - wfOut( "Conversion complete. The old table remains at $links_backup;\n" ); - wfOut( "delete at your leisure.\n" ); - } else { - wfOut( "Conversion complete. The converted table is at $links_temp;\n" ); - wfOut( "the original links table is unchanged.\n" ); - } -} - -# -------------------------------------------------------------------- - -function createTempTable() { - global $wgDBserver, $wgDBadminuser, $wgDBadminpassword, $wgDBname; - global $noKeys; - $dbConn = Database::newFromParams( $wgDBserver, $wgDBadminuser, $wgDBadminpassword, $wgDBname ); - - if ( !( $dbConn->isOpen() ) ) { - wfOut( "Opening connection to database failed.\n" ); - return; - } - $links_temp = $dbConn->tableName( 'links_temp' ); - - wfOut( "Dropping temporary links table if it exists..." ); - $dbConn->query( "DROP TABLE IF EXISTS $links_temp" ); - wfOut( " done.\n" ); - - wfOut( "Creating temporary links table..." ); - if ( $noKeys ) { - $dbConn->query( "CREATE TABLE $links_temp ( " . - "l_from int(8) unsigned NOT NULL default '0', " . - "l_to int(8) unsigned NOT NULL default '0')" ); - } else { - $dbConn->query( "CREATE TABLE $links_temp ( " . - "l_from int(8) unsigned NOT NULL default '0', " . - "l_to int(8) unsigned NOT NULL default '0', " . - "UNIQUE KEY l_from(l_from,l_to), " . - "KEY (l_to))" ); - } - wfOut( " done.\n\n" ); -} - -function performanceLog( $text ) { - global $logPerformance, $fh; - if ( $logPerformance ) { - fwrite( $fh, $text ); - } -} - -function getMicroTime() { # return time in seconds, with microsecond accuracy - list( $usec, $sec ) = explode( " ", microtime() ); - return ( (float)$usec + (float)$sec ); -} -- 2.20.1