diff options
author | Pierre Schmitz <pierre@archlinux.de> | 2006-10-11 18:12:39 +0000 |
---|---|---|
committer | Pierre Schmitz <pierre@archlinux.de> | 2006-10-11 18:12:39 +0000 |
commit | 183851b06bd6c52f3cae5375f433da720d410447 (patch) | |
tree | a477257decbf3360127f6739c2f9d0ec57a03d39 /maintenance/FiveUpgrade.inc |
MediaWiki 1.7.1 wiederhergestellt
Diffstat (limited to 'maintenance/FiveUpgrade.inc')
-rw-r--r-- | maintenance/FiveUpgrade.inc | 1214 |
1 files changed, 1214 insertions, 0 deletions
diff --git a/maintenance/FiveUpgrade.inc b/maintenance/FiveUpgrade.inc new file mode 100644 index 00000000..7caf6810 --- /dev/null +++ b/maintenance/FiveUpgrade.inc @@ -0,0 +1,1214 @@ +<?php + +require_once( 'cleanupDupes.inc' ); +require_once( 'userDupes.inc' ); +require_once( 'updaters.inc' ); + +define( 'MW_UPGRADE_COPY', false ); +define( 'MW_UPGRADE_ENCODE', true ); +define( 'MW_UPGRADE_NULL', null ); +define( 'MW_UPGRADE_CALLBACK', null ); // for self-documentation only + +class FiveUpgrade { + function FiveUpgrade() { + global $wgDatabase; + $this->conversionTables = $this->prepareWindows1252(); + + $this->dbw =& $this->newConnection(); + $this->dbr =& $this->streamConnection(); + + $this->cleanupSwaps = array(); + $this->emailAuth = false; # don't preauthenticate emails + $this->maxLag = 10; # if slaves are lagged more than 10 secs, wait + } + + function doing( $step ) { + return is_null( $this->step ) || $step == $this->step; + } + + function upgrade( $step ) { + $this->step = $step; + + $tables = array( + 'page', + 'links', + 'user', + 'image', + 'oldimage', + 'watchlist', + 'logging', + 'archive', + 'imagelinks', + 'categorylinks', + 'ipblocks', + 'recentchanges', + 'querycache' ); + foreach( $tables as $table ) { + if( $this->doing( $table ) ) { + $method = 'upgrade' . ucfirst( $table ); + $this->$method(); + } + } + + if( $this->doing( 'cleanup' ) ) { + $this->upgradeCleanup(); + } + } + + + /** + * Open a connection to the master server with the admin rights. + * @return Database + * @access private + */ + function &newConnection() { + global $wgDBadminuser, $wgDBadminpassword; + global $wgDBserver, $wgDBname; + $db =& new Database( $wgDBserver, $wgDBadminuser, $wgDBadminpassword, $wgDBname ); + return $db; + } + + /** + * Open a second connection to the master server, with buffering off. + * This will let us stream large datasets in and write in chunks on the + * other end. + * @return Database + * @access private + */ + function &streamConnection() { + $timeout = 3600 * 24; + $db =& $this->newConnection(); + $db->bufferResults( false ); + $db->query( "SET net_read_timeout=$timeout" ); + $db->query( "SET net_write_timeout=$timeout" ); + return $db; + } + + /** + * Prepare a conversion array for converting Windows Code Page 1252 to + * UTF-8. This should provide proper conversion of text that was miscoded + * as Windows-1252 by naughty user-agents, and doesn't rely on an outside + * iconv library. + * + * @return array + * @access private + */ + function prepareWindows1252() { + # Mappings from: + # http://www.unicode.org/Public/MAPPINGS/VENDORS/MICSFT/WINDOWS/CP1252.TXT + static $cp1252 = array( + 0x80 => 0x20AC, #EURO SIGN + 0x81 => UNICODE_REPLACEMENT, + 0x82 => 0x201A, #SINGLE LOW-9 QUOTATION MARK + 0x83 => 0x0192, #LATIN SMALL LETTER F WITH HOOK + 0x84 => 0x201E, #DOUBLE LOW-9 QUOTATION MARK + 0x85 => 0x2026, #HORIZONTAL ELLIPSIS + 0x86 => 0x2020, #DAGGER + 0x87 => 0x2021, #DOUBLE DAGGER + 0x88 => 0x02C6, #MODIFIER LETTER CIRCUMFLEX ACCENT + 0x89 => 0x2030, #PER MILLE SIGN + 0x8A => 0x0160, #LATIN CAPITAL LETTER S WITH CARON + 0x8B => 0x2039, #SINGLE LEFT-POINTING ANGLE QUOTATION MARK + 0x8C => 0x0152, #LATIN CAPITAL LIGATURE OE + 0x8D => UNICODE_REPLACEMENT, + 0x8E => 0x017D, #LATIN CAPITAL LETTER Z WITH CARON + 0x8F => UNICODE_REPLACEMENT, + 0x90 => UNICODE_REPLACEMENT, + 0x91 => 0x2018, #LEFT SINGLE QUOTATION MARK + 0x92 => 0x2019, #RIGHT SINGLE QUOTATION MARK + 0x93 => 0x201C, #LEFT DOUBLE QUOTATION MARK + 0x94 => 0x201D, #RIGHT DOUBLE QUOTATION MARK + 0x95 => 0x2022, #BULLET + 0x96 => 0x2013, #EN DASH + 0x97 => 0x2014, #EM DASH + 0x98 => 0x02DC, #SMALL TILDE + 0x99 => 0x2122, #TRADE MARK SIGN + 0x9A => 0x0161, #LATIN SMALL LETTER S WITH CARON + 0x9B => 0x203A, #SINGLE RIGHT-POINTING ANGLE QUOTATION MARK + 0x9C => 0x0153, #LATIN SMALL LIGATURE OE + 0x9D => UNICODE_REPLACEMENT, + 0x9E => 0x017E, #LATIN SMALL LETTER Z WITH CARON + 0x9F => 0x0178, #LATIN CAPITAL LETTER Y WITH DIAERESIS + ); + $pairs = array(); + for( $i = 0; $i < 0x100; $i++ ) { + $unicode = isset( $cp1252[$i] ) ? $cp1252[$i] : $i; + $pairs[chr( $i )] = codepointToUtf8( $unicode ); + } + return $pairs; + } + + /** + * Convert from 8-bit Windows-1252 to UTF-8 if necessary. + * @param string $text + * @return string + * @access private + */ + function conv( $text ) { + global $wgUseLatin1; + return is_null( $text ) + ? null + : ( $wgUseLatin1 + ? strtr( $text, $this->conversionTables ) + : $text ); + } + + /** + * Dump timestamp and message to output + * @param string $message + * @access private + */ + function log( $message ) { + global $wgDBname; + echo $wgDBname . ' ' . wfTimestamp( TS_DB ) . ': ' . $message . "\n"; + flush(); + } + + /** + * Initialize the chunked-insert system. + * Rows will be inserted in chunks of the given number, rather + * than in a giant INSERT...SELECT query, to keep the serialized + * MySQL database replication from getting hung up. This way other + * things can be going on during conversion without waiting for + * slaves to catch up as badly. + * + * @param int $chunksize Number of rows to insert at once + * @param int $final Total expected number of rows / id of last row, + * used for progress reports. + * @param string $table to insert on + * @param string $fname function name to report in SQL + * @access private + */ + function setChunkScale( $chunksize, $final, $table, $fname ) { + $this->chunkSize = $chunksize; + $this->chunkFinal = $final; + $this->chunkCount = 0; + $this->chunkStartTime = wfTime(); + $this->chunkOptions = array( 'IGNORE' ); + $this->chunkTable = $table; + $this->chunkFunction = $fname; + } + + /** + * Chunked inserts: perform an insert if we've reached the chunk limit. + * Prints a progress report with estimated completion time. + * @param array &$chunk -- This will be emptied if an insert is done. + * @param int $key A key identifier to use in progress estimation in + * place of the number of rows inserted. Use this if + * you provided a max key number instead of a count + * as the final chunk number in setChunkScale() + * @access private + */ + function addChunk( &$chunk, $key = null ) { + if( count( $chunk ) >= $this->chunkSize ) { + $this->insertChunk( $chunk ); + + $this->chunkCount += count( $chunk ); + $now = wfTime(); + $delta = $now - $this->chunkStartTime; + $rate = $this->chunkCount / $delta; + + if( is_null( $key ) ) { + $completed = $this->chunkCount; + } else { + $completed = $key; + } + $portion = $completed / $this->chunkFinal; + + $estimatedTotalTime = $delta / $portion; + $eta = $this->chunkStartTime + $estimatedTotalTime; + + printf( "%s: %6.2f%% done on %s; ETA %s [%d/%d] %.2f/sec\n", + wfTimestamp( TS_DB, intval( $now ) ), + $portion * 100.0, + $this->chunkTable, + wfTimestamp( TS_DB, intval( $eta ) ), + $completed, + $this->chunkFinal, + $rate ); + flush(); + + $chunk = array(); + } + } + + /** + * Chunked inserts: perform an insert unconditionally, at the end, and log. + * @param array &$chunk -- This will be emptied if an insert is done. + * @access private + */ + function lastChunk( &$chunk ) { + $n = count( $chunk ); + if( $n > 0 ) { + $this->insertChunk( $chunk ); + } + $this->log( "100.00% done on $this->chunkTable (last chunk $n rows)." ); + } + + /** + * Chunked inserts: perform an insert. + * @param array &$chunk -- This will be emptied if an insert is done. + * @access private + */ + function insertChunk( &$chunk ) { + // Give slaves a chance to catch up + wfWaitForSlaves( $this->maxLag ); + $this->dbw->insert( $this->chunkTable, $chunk, $this->chunkFunction, $this->chunkOptions ); + } + + + /** + * Copy and transcode a table to table_temp. + * @param string $name Base name of the source table + * @param string $tabledef CREATE TABLE definition, w/ $1 for the name + * @param array $fields set of destination fields to these constants: + * MW_UPGRADE_COPY - straight copy + * MW_UPGRADE_ENCODE - for old Latin1 wikis, conv to UTF-8 + * MW_UPGRADE_NULL - just put NULL + * @param callable $callback An optional callback to modify the data + * or perform other processing. Func should be + * ( object $row, array $copy ) and return $copy + * @access private + */ + function copyTable( $name, $tabledef, $fields, $callback = null ) { + $fname = 'FiveUpgrade::copyTable'; + + $name_temp = $name . '_temp'; + $this->log( "Migrating $name table to $name_temp..." ); + + $table = $this->dbw->tableName( $name ); + $table_temp = $this->dbw->tableName( $name_temp ); + + // Create temporary table; we're going to copy everything in there, + // then at the end rename the final tables into place. + $def = str_replace( '$1', $table_temp, $tabledef ); + $this->dbw->query( $def, $fname ); + + $numRecords = $this->dbw->selectField( $name, 'COUNT(*)', '', $fname ); + $this->setChunkScale( 100, $numRecords, $name_temp, $fname ); + + // Pull all records from the second, streaming database connection. + $sourceFields = array_keys( array_filter( $fields, + create_function( '$x', 'return $x !== MW_UPGRADE_NULL;' ) ) ); + $result = $this->dbr->select( $name, + $sourceFields, + '', + $fname ); + + $add = array(); + while( $row = $this->dbr->fetchObject( $result ) ) { + $copy = array(); + foreach( $fields as $field => $source ) { + if( $source === MW_UPGRADE_COPY ) { + $copy[$field] = $row->$field; + } elseif( $source === MW_UPGRADE_ENCODE ) { + $copy[$field] = $this->conv( $row->$field ); + } elseif( $source === MW_UPGRADE_NULL ) { + $copy[$field] = null; + } else { + $this->log( "Unknown field copy type: $field => $source" ); + } + } + if( is_callable( $callback ) ) { + $copy = call_user_func( $callback, $row, $copy ); + } + $add[] = $copy; + $this->addChunk( $add ); + } + $this->lastChunk( $add ); + $this->dbr->freeResult( $result ); + + $this->log( "Done converting $name." ); + $this->cleanupSwaps[] = $name; + } + + function upgradePage() { + $fname = "FiveUpgrade::upgradePage"; + $chunksize = 100; + + if( $this->dbw->tableExists( 'page' ) ) { + $this->log( 'Page table already exists; aborting.' ); + die( -1 ); + } + + $this->log( "Checking cur table for unique title index and applying if necessary" ); + checkDupes( true ); + + $this->log( "...converting from cur/old to page/revision/text DB structure." ); + + extract( $this->dbw->tableNames( 'cur', 'old', 'page', 'revision', 'text' ) ); + + $this->log( "Creating page and revision tables..." ); + $this->dbw->query("CREATE TABLE $page ( + page_id int(8) unsigned NOT NULL auto_increment, + page_namespace int NOT NULL, + page_title varchar(255) binary NOT NULL, + page_restrictions tinyblob NOT NULL default '', + page_counter bigint(20) unsigned NOT NULL default '0', + page_is_redirect tinyint(1) unsigned NOT NULL default '0', + page_is_new tinyint(1) unsigned NOT NULL default '0', + page_random real unsigned NOT NULL, + page_touched char(14) binary NOT NULL default '', + page_latest int(8) unsigned NOT NULL, + page_len int(8) unsigned NOT NULL, + + PRIMARY KEY page_id (page_id), + UNIQUE INDEX name_title (page_namespace,page_title), + INDEX (page_random), + INDEX (page_len) + ) TYPE=InnoDB", $fname ); + $this->dbw->query("CREATE TABLE $revision ( + rev_id int(8) unsigned NOT NULL auto_increment, + rev_page int(8) unsigned NOT NULL, + rev_text_id int(8) unsigned NOT NULL, + rev_comment tinyblob NOT NULL default '', + rev_user int(5) unsigned NOT NULL default '0', + rev_user_text varchar(255) binary NOT NULL default '', + rev_timestamp char(14) binary NOT NULL default '', + rev_minor_edit tinyint(1) unsigned NOT NULL default '0', + rev_deleted tinyint(1) unsigned NOT NULL default '0', + + PRIMARY KEY rev_page_id (rev_page, rev_id), + UNIQUE INDEX rev_id (rev_id), + INDEX rev_timestamp (rev_timestamp), + INDEX page_timestamp (rev_page,rev_timestamp), + INDEX user_timestamp (rev_user,rev_timestamp), + INDEX usertext_timestamp (rev_user_text,rev_timestamp) + ) TYPE=InnoDB", $fname ); + + $maxold = intval( $this->dbw->selectField( 'old', 'max(old_id)', '', $fname ) ); + $this->log( "Last old record is {$maxold}" ); + + global $wgLegacySchemaConversion; + if( $wgLegacySchemaConversion ) { + // Create HistoryBlobCurStub entries. + // Text will be pulled from the leftover 'cur' table at runtime. + echo "......Moving metadata from cur; using blob references to text in cur table.\n"; + $cur_text = "concat('O:18:\"historyblobcurstub\":1:{s:6:\"mCurId\";i:',cur_id,';}')"; + $cur_flags = "'object'"; + } else { + // Copy all cur text in immediately: this may take longer but avoids + // having to keep an extra table around. + echo "......Moving text from cur.\n"; + $cur_text = 'cur_text'; + $cur_flags = "''"; + } + + $maxcur = $this->dbw->selectField( 'cur', 'max(cur_id)', '', $fname ); + $this->log( "Last cur entry is $maxcur" ); + + /** + * Copy placeholder records for each page's current version into old + * Don't do any conversion here; text records are converted at runtime + * based on the flags (and may be originally binary!) while the meta + * fields will be converted in the old -> rev and cur -> page steps. + */ + $this->setChunkScale( $chunksize, $maxcur, 'old', $fname ); + $result = $this->dbr->query( + "SELECT cur_id, cur_namespace, cur_title, $cur_text AS text, cur_comment, + cur_user, cur_user_text, cur_timestamp, cur_minor_edit, $cur_flags AS flags + FROM $cur + ORDER BY cur_id", $fname ); + $add = array(); + while( $row = $this->dbr->fetchObject( $result ) ) { + $add[] = array( + 'old_namespace' => $row->cur_namespace, + 'old_title' => $row->cur_title, + 'old_text' => $row->text, + 'old_comment' => $row->cur_comment, + 'old_user' => $row->cur_user, + 'old_user_text' => $row->cur_user_text, + 'old_timestamp' => $row->cur_timestamp, + 'old_minor_edit' => $row->cur_minor_edit, + 'old_flags' => $row->flags ); + $this->addChunk( $add, $row->cur_id ); + } + $this->lastChunk( $add ); + $this->dbr->freeResult( $result ); + + /** + * Copy revision metadata from old into revision. + * We'll also do UTF-8 conversion of usernames and comments. + */ + #$newmaxold = $this->dbw->selectField( 'old', 'max(old_id)', '', $fname ); + #$this->setChunkScale( $chunksize, $newmaxold, 'revision', $fname ); + #$countold = $this->dbw->selectField( 'old', 'count(old_id)', '', $fname ); + $countold = $this->dbw->selectField( 'old', 'max(old_id)', '', $fname ); + $this->setChunkScale( $chunksize, $countold, 'revision', $fname ); + + $this->log( "......Setting up revision table." ); + $result = $this->dbr->query( + "SELECT old_id, cur_id, old_comment, old_user, old_user_text, + old_timestamp, old_minor_edit + FROM $old,$cur WHERE old_namespace=cur_namespace AND old_title=cur_title", + $fname ); + + $add = array(); + while( $row = $this->dbr->fetchObject( $result ) ) { + $add[] = array( + 'rev_id' => $row->old_id, + 'rev_page' => $row->cur_id, + 'rev_text_id' => $row->old_id, + 'rev_comment' => $this->conv( $row->old_comment ), + 'rev_user' => $row->old_user, + 'rev_user_text' => $this->conv( $row->old_user_text ), + 'rev_timestamp' => $row->old_timestamp, + 'rev_minor_edit' => $row->old_minor_edit ); + $this->addChunk( $add ); + } + $this->lastChunk( $add ); + $this->dbr->freeResult( $result ); + + + /** + * Copy page metadata from cur into page. + * We'll also do UTF-8 conversion of titles. + */ + $this->log( "......Setting up page table." ); + $this->setChunkScale( $chunksize, $maxcur, 'page', $fname ); + $result = $this->dbr->query( " + SELECT cur_id, cur_namespace, cur_title, cur_restrictions, cur_counter, cur_is_redirect, cur_is_new, + cur_random, cur_touched, rev_id, LENGTH(cur_text) AS len + FROM $cur,$revision + WHERE cur_id=rev_page AND rev_timestamp=cur_timestamp AND rev_id > {$maxold} + ORDER BY cur_id", $fname ); + $add = array(); + while( $row = $this->dbr->fetchObject( $result ) ) { + $add[] = array( + 'page_id' => $row->cur_id, + 'page_namespace' => $row->cur_namespace, + 'page_title' => $this->conv( $row->cur_title ), + 'page_restrictions' => $row->cur_restrictions, + 'page_counter' => $row->cur_counter, + 'page_is_redirect' => $row->cur_is_redirect, + 'page_is_new' => $row->cur_is_new, + 'page_random' => $row->cur_random, + 'page_touched' => $this->dbw->timestamp(), + 'page_latest' => $row->rev_id, + 'page_len' => $row->len ); + #$this->addChunk( $add, $row->cur_id ); + $this->addChunk( $add ); + } + $this->lastChunk( $add ); + $this->dbr->freeResult( $result ); + + $this->log( "...done with cur/old -> page/revision." ); + } + + function upgradeLinks() { + $fname = 'FiveUpgrade::upgradeLinks'; + $chunksize = 200; + extract( $this->dbw->tableNames( 'links', 'brokenlinks', 'pagelinks', 'cur' ) ); + + $this->log( 'Checking for interwiki table change in case of bogus items...' ); + if( $this->dbw->fieldExists( 'interwiki', 'iw_trans' ) ) { + $this->log( 'interwiki has iw_trans.' ); + } else { + $this->log( 'adding iw_trans...' ); + dbsource( 'maintenance/archives/patch-interwiki-trans.sql', $this->dbw ); + $this->log( 'added iw_trans.' ); + } + + $this->log( 'Creating pagelinks table...' ); + $this->dbw->query( " +CREATE TABLE $pagelinks ( + -- Key to the page_id of the page containing the link. + pl_from int(8) unsigned NOT NULL default '0', + + -- Key to page_namespace/page_title of the target page. + -- The target page may or may not exist, and due to renames + -- and deletions may refer to different page records as time + -- goes by. + pl_namespace int NOT NULL default '0', + pl_title varchar(255) binary NOT NULL default '', + + UNIQUE KEY pl_from(pl_from,pl_namespace,pl_title), + KEY (pl_namespace,pl_title) + +) TYPE=InnoDB" ); + + $this->log( 'Importing live links -> pagelinks' ); + $nlinks = $this->dbw->selectField( 'links', 'count(*)', '', $fname ); + if( $nlinks ) { + $this->setChunkScale( $chunksize, $nlinks, 'pagelinks', $fname ); + $result = $this->dbr->query( " + SELECT l_from,cur_namespace,cur_title + FROM $links, $cur + WHERE l_to=cur_id", $fname ); + $add = array(); + while( $row = $this->dbr->fetchObject( $result ) ) { + $add[] = array( + 'pl_from' => $row->l_from, + 'pl_namespace' => $row->cur_namespace, + 'pl_title' => $this->conv( $row->cur_title ) ); + $this->addChunk( $add ); + } + $this->lastChunk( $add ); + } else { + $this->log( 'no links!' ); + } + + $this->log( 'Importing brokenlinks -> pagelinks' ); + $nbrokenlinks = $this->dbw->selectField( 'brokenlinks', 'count(*)', '', $fname ); + if( $nbrokenlinks ) { + $this->setChunkScale( $chunksize, $nbrokenlinks, 'pagelinks', $fname ); + $result = $this->dbr->query( + "SELECT bl_from, bl_to FROM $brokenlinks", + $fname ); + $add = array(); + while( $row = $this->dbr->fetchObject( $result ) ) { + $pagename = $this->conv( $row->bl_to ); + $title = Title::newFromText( $pagename ); + if( is_null( $title ) ) { + $this->log( "** invalid brokenlink: $row->bl_from -> '$pagename' (converted from '$row->bl_to')" ); + } else { + $add[] = array( + 'pl_from' => $row->bl_from, + 'pl_namespace' => $title->getNamespace(), + 'pl_title' => $title->getDBkey() ); + $this->addChunk( $add ); + } + } + $this->lastChunk( $add ); + } else { + $this->log( 'no brokenlinks!' ); + } + + $this->log( 'Done with links.' ); + } + + function upgradeUser() { + // Apply unique index, if necessary: + $duper = new UserDupes( $this->dbw ); + if( $duper->hasUniqueIndex() ) { + $this->log( "Already have unique user_name index." ); + } else { + $this->log( "Clearing user duplicates..." ); + if( !$duper->clearDupes() ) { + $this->log( "WARNING: Duplicate user accounts, may explode!" ); + } + } + + $tabledef = <<<END +CREATE TABLE $1 ( + user_id int(5) unsigned NOT NULL auto_increment, + user_name varchar(255) binary NOT NULL default '', + user_real_name varchar(255) binary NOT NULL default '', + user_password tinyblob NOT NULL default '', + user_newpassword tinyblob NOT NULL default '', + user_email tinytext NOT NULL default '', + user_options blob NOT NULL default '', + user_touched char(14) binary NOT NULL default '', + user_token char(32) binary NOT NULL default '', + user_email_authenticated CHAR(14) BINARY, + user_email_token CHAR(32) BINARY, + user_email_token_expires CHAR(14) BINARY, + + PRIMARY KEY user_id (user_id), + UNIQUE INDEX user_name (user_name), + INDEX (user_email_token) + +) TYPE=InnoDB +END; + $fields = array( + 'user_id' => MW_UPGRADE_COPY, + 'user_name' => MW_UPGRADE_ENCODE, + 'user_real_name' => MW_UPGRADE_ENCODE, + 'user_password' => MW_UPGRADE_COPY, + 'user_newpassword' => MW_UPGRADE_COPY, + 'user_email' => MW_UPGRADE_ENCODE, + 'user_options' => MW_UPGRADE_ENCODE, + 'user_touched' => MW_UPGRADE_CALLBACK, + 'user_token' => MW_UPGRADE_COPY, + 'user_email_authenticated' => MW_UPGRADE_CALLBACK, + 'user_email_token' => MW_UPGRADE_NULL, + 'user_email_token_expires' => MW_UPGRADE_NULL ); + $this->copyTable( 'user', $tabledef, $fields, + array( &$this, 'userCallback' ) ); + } + + function userCallback( $row, $copy ) { + $now = $this->dbw->timestamp(); + $copy['user_touched'] = $now; + $copy['user_email_authenticated'] = $this->emailAuth ? $now : null; + return $copy; + } + + function upgradeImage() { + $tabledef = <<<END +CREATE TABLE $1 ( + img_name varchar(255) binary NOT NULL default '', + img_size int(8) unsigned NOT NULL default '0', + img_width int(5) NOT NULL default '0', + img_height int(5) NOT NULL default '0', + img_metadata mediumblob NOT NULL, + img_bits int(3) NOT NULL default '0', + img_media_type ENUM("UNKNOWN", "BITMAP", "DRAWING", "AUDIO", "VIDEO", "MULTIMEDIA", "OFFICE", "TEXT", "EXECUTABLE", "ARCHIVE") default NULL, + img_major_mime ENUM("unknown", "application", "audio", "image", "text", "video", "message", "model", "multipart") NOT NULL default "unknown", + img_minor_mime varchar(32) NOT NULL default "unknown", + img_description tinyblob NOT NULL default '', + img_user int(5) unsigned NOT NULL default '0', + img_user_text varchar(255) binary NOT NULL default '', + img_timestamp char(14) binary NOT NULL default '', + + PRIMARY KEY img_name (img_name), + INDEX img_size (img_size), + INDEX img_timestamp (img_timestamp) +) TYPE=InnoDB +END; + $fields = array( + 'img_name' => MW_UPGRADE_ENCODE, + 'img_size' => MW_UPGRADE_COPY, + 'img_width' => MW_UPGRADE_CALLBACK, + 'img_height' => MW_UPGRADE_CALLBACK, + 'img_metadata' => MW_UPGRADE_CALLBACK, + 'img_bits' => MW_UPGRADE_CALLBACK, + 'img_media_type' => MW_UPGRADE_CALLBACK, + 'img_major_mime' => MW_UPGRADE_CALLBACK, + 'img_minor_mime' => MW_UPGRADE_CALLBACK, + 'img_description' => MW_UPGRADE_ENCODE, + 'img_user' => MW_UPGRADE_COPY, + 'img_user_text' => MW_UPGRADE_ENCODE, + 'img_timestamp' => MW_UPGRADE_COPY ); + $this->copyTable( 'image', $tabledef, $fields, + array( &$this, 'imageCallback' ) ); + } + + function imageCallback( $row, $copy ) { + global $options; + if( !isset( $options['noimage'] ) ) { + // Fill in the new image info fields + $info = $this->imageInfo( $row->img_name ); + + $copy['img_width' ] = $info['width']; + $copy['img_height' ] = $info['height']; + $copy['img_metadata' ] = ""; // loaded on-demand + $copy['img_bits' ] = $info['bits']; + $copy['img_media_type'] = $info['media']; + $copy['img_major_mime'] = $info['major']; + $copy['img_minor_mime'] = $info['minor']; + } + + // If doing UTF8 conversion the file must be renamed + $this->renameFile( $row->img_name, 'wfImageDir' ); + + return $copy; + } + + function imageInfo( $name, $subdirCallback='wfImageDir', $basename = null ) { + if( is_null( $basename ) ) $basename = $name; + $dir = call_user_func( $subdirCallback, $basename ); + $filename = $dir . '/' . $name; + $info = array( + 'width' => 0, + 'height' => 0, + 'bits' => 0, + 'media' => '', + 'major' => '', + 'minor' => '' ); + + $magic =& wfGetMimeMagic(); + $mime = $magic->guessMimeType( $filename, true ); + list( $info['major'], $info['minor'] ) = explode( '/', $mime ); + + $info['media'] = $magic->getMediaType( $filename, $mime ); + + # Height and width + $gis = false; + if( $mime == 'image/svg' ) { + $gis = wfGetSVGsize( $filename ); + } elseif( $magic->isPHPImageType( $mime ) ) { + $gis = getimagesize( $filename ); + } else { + $this->log( "Surprising mime type: $mime" ); + } + if( $gis ) { + $info['width' ] = $gis[0]; + $info['height'] = $gis[1]; + } + if( isset( $gis['bits'] ) ) { + $info['bits'] = $gis['bits']; + } + + return $info; + } + + + /** + * Truncate a table. + * @param string $table The table name to be truncated + */ + function clearTable( $table ) { + print "Clearing $table...\n"; + $tableName = $this->db->tableName( $table ); + $this->db->query( 'TRUNCATE $tableName' ); + } + + /** + * Rename a given image or archived image file to the converted filename, + * leaving a symlink for URL compatibility. + * + * @param string $oldname pre-conversion filename + * @param string $basename pre-conversion base filename for dir hashing, if an archive + * @access private + */ + function renameFile( $oldname, $subdirCallback='wfImageDir', $basename=null ) { + $newname = $this->conv( $oldname ); + if( $newname == $oldname ) { + // No need to rename; another field triggered this row. + return false; + } + + if( is_null( $basename ) ) $basename = $oldname; + $ubasename = $this->conv( $basename ); + $oldpath = call_user_func( $subdirCallback, $basename ) . '/' . $oldname; + $newpath = call_user_func( $subdirCallback, $ubasename ) . '/' . $newname; + + $this->log( "$oldpath -> $newpath" ); + if( rename( $oldpath, $newpath ) ) { + $relpath = $this->relativize( $newpath, dirname( $oldpath ) ); + if( !symlink( $relpath, $oldpath ) ) { + $this->log( "... symlink failed!" ); + } + return $newname; + } else { + $this->log( "... rename failed!" ); + return false; + } + } + + /** + * Generate a relative path name to the given file. + * Assumes Unix-style paths, separators, and semantics. + * + * @param string $path Absolute destination path including target filename + * @param string $from Absolute source path, directory only + * @return string + * @access private + * @static + */ + function relativize( $path, $from ) { + $pieces = explode( '/', dirname( $path ) ); + $against = explode( '/', $from ); + + // Trim off common prefix + while( count( $pieces ) && count( $against ) + && $pieces[0] == $against[0] ) { + array_shift( $pieces ); + array_shift( $against ); + } + + // relative dots to bump us to the parent + while( count( $against ) ) { + array_unshift( $pieces, '..' ); + array_shift( $against ); + } + + array_push( $pieces, basename( $path ) ); + + return implode( '/', $pieces ); + } + + function upgradeOldImage() { + $tabledef = <<<END +CREATE TABLE $1 ( + -- Base filename: key to image.img_name + oi_name varchar(255) binary NOT NULL default '', + + -- Filename of the archived file. + -- This is generally a timestamp and '!' prepended to the base name. + oi_archive_name varchar(255) binary NOT NULL default '', + + -- Other fields as in image... + oi_size int(8) unsigned NOT NULL default 0, + oi_width int(5) NOT NULL default 0, + oi_height int(5) NOT NULL default 0, + oi_bits int(3) NOT NULL default 0, + oi_description tinyblob NOT NULL default '', + oi_user int(5) unsigned NOT NULL default '0', + oi_user_text varchar(255) binary NOT NULL default '', + oi_timestamp char(14) binary NOT NULL default '', + + INDEX oi_name (oi_name(10)) + +) TYPE=InnoDB; +END; + $fields = array( + 'oi_name' => MW_UPGRADE_ENCODE, + 'oi_archive_name' => MW_UPGRADE_ENCODE, + 'oi_size' => MW_UPGRADE_COPY, + 'oi_width' => MW_UPGRADE_CALLBACK, + 'oi_height' => MW_UPGRADE_CALLBACK, + 'oi_bits' => MW_UPGRADE_CALLBACK, + 'oi_description' => MW_UPGRADE_ENCODE, + 'oi_user' => MW_UPGRADE_COPY, + 'oi_user_text' => MW_UPGRADE_ENCODE, + 'oi_timestamp' => MW_UPGRADE_COPY ); + $this->copyTable( 'oldimage', $tabledef, $fields, + array( &$this, 'oldimageCallback' ) ); + } + + function oldimageCallback( $row, $copy ) { + global $options; + if( !isset( $options['noimage'] ) ) { + // Fill in the new image info fields + $info = $this->imageInfo( $row->oi_archive_name, 'wfImageArchiveDir', $row->oi_name ); + $copy['oi_width' ] = $info['width' ]; + $copy['oi_height'] = $info['height']; + $copy['oi_bits' ] = $info['bits' ]; + } + + // If doing UTF8 conversion the file must be renamed + $this->renameFile( $row->oi_archive_name, 'wfImageArchiveDir', $row->oi_name ); + + return $copy; + } + + + function upgradeWatchlist() { + $fname = 'FiveUpgrade::upgradeWatchlist'; + $chunksize = 100; + + extract( $this->dbw->tableNames( 'watchlist', 'watchlist_temp' ) ); + + $this->log( 'Migrating watchlist table to watchlist_temp...' ); + $this->dbw->query( +"CREATE TABLE $watchlist_temp ( + -- Key to user_id + wl_user int(5) unsigned NOT NULL, + + -- Key to page_namespace/page_title + -- Note that users may watch patches which do not exist yet, + -- or existed in the past but have been deleted. + wl_namespace int NOT NULL default '0', + wl_title varchar(255) binary NOT NULL default '', + + -- Timestamp when user was last sent a notification e-mail; + -- cleared when the user visits the page. + -- FIXME: add proper null support etc + wl_notificationtimestamp varchar(14) binary NOT NULL default '0', + + UNIQUE KEY (wl_user, wl_namespace, wl_title), + KEY namespace_title (wl_namespace,wl_title) + +) TYPE=InnoDB;", $fname ); + + // Fix encoding for Latin-1 upgrades, add some fields, + // and double article to article+talk pairs + $numwatched = $this->dbw->selectField( 'watchlist', 'count(*)', '', $fname ); + + $this->setChunkScale( $chunksize, $numwatched * 2, 'watchlist_temp', $fname ); + $result = $this->dbr->select( 'watchlist', + array( + 'wl_user', + 'wl_namespace', + 'wl_title' ), + '', + $fname ); + + $add = array(); + while( $row = $this->dbr->fetchObject( $result ) ) { + $now = $this->dbw->timestamp(); + $add[] = array( + 'wl_user' => $row->wl_user, + 'wl_namespace' => Namespace::getSubject( $row->wl_namespace ), + 'wl_title' => $this->conv( $row->wl_title ), + 'wl_notificationtimestamp' => '0' ); + $this->addChunk( $add ); + + $add[] = array( + 'wl_user' => $row->wl_user, + 'wl_namespace' => Namespace::getTalk( $row->wl_namespace ), + 'wl_title' => $this->conv( $row->wl_title ), + 'wl_notificationtimestamp' => '0' ); + $this->addChunk( $add ); + } + $this->lastChunk( $add ); + $this->dbr->freeResult( $result ); + + $this->log( 'Done converting watchlist.' ); + $this->cleanupSwaps[] = 'watchlist'; + } + + function upgradeLogging() { + $tabledef = <<<END +CREATE TABLE $1 ( + -- Symbolic keys for the general log type and the action type + -- within the log. The output format will be controlled by the + -- action field, but only the type controls categorization. + log_type char(10) NOT NULL default '', + log_action char(10) NOT NULL default '', + + -- Timestamp. Duh. + log_timestamp char(14) NOT NULL default '19700101000000', + + -- The user who performed this action; key to user_id + log_user int unsigned NOT NULL default 0, + + -- Key to the page affected. Where a user is the target, + -- this will point to the user page. + log_namespace int NOT NULL default 0, + log_title varchar(255) binary NOT NULL default '', + + -- Freeform text. Interpreted as edit history comments. + log_comment varchar(255) NOT NULL default '', + + -- LF separated list of miscellaneous parameters + log_params blob NOT NULL default '', + + KEY type_time (log_type, log_timestamp), + KEY user_time (log_user, log_timestamp), + KEY page_time (log_namespace, log_title, log_timestamp) + +) TYPE=InnoDB +END; + $fields = array( + 'log_type' => MW_UPGRADE_COPY, + 'log_action' => MW_UPGRADE_COPY, + 'log_timestamp' => MW_UPGRADE_COPY, + 'log_user' => MW_UPGRADE_COPY, + 'log_namespace' => MW_UPGRADE_COPY, + 'log_title' => MW_UPGRADE_ENCODE, + 'log_comment' => MW_UPGRADE_ENCODE, + 'log_params' => MW_UPGRADE_ENCODE ); + $this->copyTable( 'logging', $tabledef, $fields ); + } + + function upgradeArchive() { + $tabledef = <<<END +CREATE TABLE $1 ( + ar_namespace int NOT NULL default '0', + ar_title varchar(255) binary NOT NULL default '', + ar_text mediumblob NOT NULL default '', + + ar_comment tinyblob NOT NULL default '', + ar_user int(5) unsigned NOT NULL default '0', + ar_user_text varchar(255) binary NOT NULL, + ar_timestamp char(14) binary NOT NULL default '', + ar_minor_edit tinyint(1) NOT NULL default '0', + + ar_flags tinyblob NOT NULL default '', + + ar_rev_id int(8) unsigned, + ar_text_id int(8) unsigned, + + KEY name_title_timestamp (ar_namespace,ar_title,ar_timestamp) + +) TYPE=InnoDB +END; + $fields = array( + 'ar_namespace' => MW_UPGRADE_COPY, + 'ar_title' => MW_UPGRADE_ENCODE, + 'ar_text' => MW_UPGRADE_COPY, + 'ar_comment' => MW_UPGRADE_ENCODE, + 'ar_user' => MW_UPGRADE_COPY, + 'ar_user_text' => MW_UPGRADE_ENCODE, + 'ar_timestamp' => MW_UPGRADE_COPY, + 'ar_minor_edit' => MW_UPGRADE_COPY, + 'ar_flags' => MW_UPGRADE_COPY, + 'ar_rev_id' => MW_UPGRADE_NULL, + 'ar_text_id' => MW_UPGRADE_NULL ); + $this->copyTable( 'archive', $tabledef, $fields ); + } + + function upgradeImagelinks() { + global $wgUseLatin1; + if( $wgUseLatin1 ) { + $tabledef = <<<END +CREATE TABLE $1 ( + -- Key to page_id of the page containing the image / media link. + il_from int(8) unsigned NOT NULL default '0', + + -- Filename of target image. + -- This is also the page_title of the file's description page; + -- all such pages are in namespace 6 (NS_IMAGE). + il_to varchar(255) binary NOT NULL default '', + + UNIQUE KEY il_from(il_from,il_to), + KEY (il_to) + +) TYPE=InnoDB +END; + $fields = array( + 'il_from' => MW_UPGRADE_COPY, + 'il_to' => MW_UPGRADE_ENCODE ); + $this->copyTable( 'imagelinks', $tabledef, $fields ); + } + } + + function upgradeCategorylinks() { + global $wgUseLatin1; + if( $wgUseLatin1 ) { + $tabledef = <<<END +CREATE TABLE $1 ( + cl_from int(8) unsigned NOT NULL default '0', + cl_to varchar(255) binary NOT NULL default '', + cl_sortkey varchar(86) binary NOT NULL default '', + cl_timestamp timestamp NOT NULL, + + UNIQUE KEY cl_from(cl_from,cl_to), + KEY cl_sortkey(cl_to,cl_sortkey), + KEY cl_timestamp(cl_to,cl_timestamp) +) TYPE=InnoDB +END; + $fields = array( + 'cl_from' => MW_UPGRADE_COPY, + 'cl_to' => MW_UPGRADE_ENCODE, + 'cl_sortkey' => MW_UPGRADE_ENCODE, + 'cl_timestamp' => MW_UPGRADE_COPY ); + $this->copyTable( 'categorylinks', $tabledef, $fields ); + } + } + + function upgradeIpblocks() { + global $wgUseLatin1; + if( $wgUseLatin1 ) { + $tabledef = <<<END +CREATE TABLE $1 ( + ipb_id int(8) NOT NULL auto_increment, + ipb_address varchar(40) binary NOT NULL default '', + ipb_user int(8) unsigned NOT NULL default '0', + ipb_by int(8) unsigned NOT NULL default '0', + ipb_reason tinyblob NOT NULL default '', + ipb_timestamp char(14) binary NOT NULL default '', + ipb_auto tinyint(1) NOT NULL default '0', + ipb_expiry char(14) binary NOT NULL default '', + + PRIMARY KEY ipb_id (ipb_id), + INDEX ipb_address (ipb_address), + INDEX ipb_user (ipb_user) + +) TYPE=InnoDB +END; + $fields = array( + 'ipb_id' => MW_UPGRADE_COPY, + 'ipb_address' => MW_UPGRADE_COPY, + 'ipb_user' => MW_UPGRADE_COPY, + 'ipb_by' => MW_UPGRADE_COPY, + 'ipb_reason' => MW_UPGRADE_ENCODE, + 'ipb_timestamp' => MW_UPGRADE_COPY, + 'ipb_auto' => MW_UPGRADE_COPY, + 'ipb_expiry' => MW_UPGRADE_COPY ); + $this->copyTable( 'ipblocks', $tabledef, $fields ); + } + } + + function upgradeRecentchanges() { + // There's a format change in the namespace field + $tabledef = <<<END +CREATE TABLE $1 ( + rc_id int(8) NOT NULL auto_increment, + rc_timestamp varchar(14) binary NOT NULL default '', + rc_cur_time varchar(14) binary NOT NULL default '', + + rc_user int(10) unsigned NOT NULL default '0', + rc_user_text varchar(255) binary NOT NULL default '', + + rc_namespace int NOT NULL default '0', + rc_title varchar(255) binary NOT NULL default '', + + rc_comment varchar(255) binary NOT NULL default '', + rc_minor tinyint(3) unsigned NOT NULL default '0', + + rc_bot tinyint(3) unsigned NOT NULL default '0', + rc_new tinyint(3) unsigned NOT NULL default '0', + + rc_cur_id int(10) unsigned NOT NULL default '0', + rc_this_oldid int(10) unsigned NOT NULL default '0', + rc_last_oldid int(10) unsigned NOT NULL default '0', + + rc_type tinyint(3) unsigned NOT NULL default '0', + rc_moved_to_ns tinyint(3) unsigned NOT NULL default '0', + rc_moved_to_title varchar(255) binary NOT NULL default '', + + rc_patrolled tinyint(3) unsigned NOT NULL default '0', + + rc_ip char(15) NOT NULL default '', + + PRIMARY KEY rc_id (rc_id), + INDEX rc_timestamp (rc_timestamp), + INDEX rc_namespace_title (rc_namespace, rc_title), + INDEX rc_cur_id (rc_cur_id), + INDEX new_name_timestamp(rc_new,rc_namespace,rc_timestamp), + INDEX rc_ip (rc_ip) + +) TYPE=InnoDB +END; + $fields = array( + 'rc_id' => MW_UPGRADE_COPY, + 'rc_timestamp' => MW_UPGRADE_COPY, + 'rc_cur_time' => MW_UPGRADE_COPY, + 'rc_user' => MW_UPGRADE_COPY, + 'rc_user_text' => MW_UPGRADE_ENCODE, + 'rc_namespace' => MW_UPGRADE_COPY, + 'rc_title' => MW_UPGRADE_ENCODE, + 'rc_comment' => MW_UPGRADE_ENCODE, + 'rc_minor' => MW_UPGRADE_COPY, + 'rc_bot' => MW_UPGRADE_COPY, + 'rc_new' => MW_UPGRADE_COPY, + 'rc_cur_id' => MW_UPGRADE_COPY, + 'rc_this_oldid' => MW_UPGRADE_COPY, + 'rc_last_oldid' => MW_UPGRADE_COPY, + 'rc_type' => MW_UPGRADE_COPY, + 'rc_moved_to_ns' => MW_UPGRADE_COPY, + 'rc_moved_to_title' => MW_UPGRADE_ENCODE, + 'rc_patrolled' => MW_UPGRADE_COPY, + 'rc_ip' => MW_UPGRADE_COPY ); + $this->copyTable( 'recentchanges', $tabledef, $fields ); + } + + function upgradeQuerycache() { + // There's a format change in the namespace field + $tabledef = <<<END +CREATE TABLE $1 ( + -- A key name, generally the base name of of the special page. + qc_type char(32) NOT NULL, + + -- Some sort of stored value. Sizes, counts... + qc_value int(5) unsigned NOT NULL default '0', + + -- Target namespace+title + qc_namespace int NOT NULL default '0', + qc_title char(255) binary NOT NULL default '', + + KEY (qc_type,qc_value) + +) TYPE=InnoDB +END; + $fields = array( + 'qc_type' => MW_UPGRADE_COPY, + 'qc_value' => MW_UPGRADE_COPY, + 'qc_namespace' => MW_UPGRADE_COPY, + 'qc_title' => MW_UPGRADE_ENCODE ); + $this->copyTable( 'querycache', $tabledef, $fields ); + } + + /** + * Rename all our temporary tables into final place. + * We've left things in place so a read-only wiki can continue running + * on the old code during all this. + */ + function upgradeCleanup() { + $this->renameTable( 'old', 'text' ); + + foreach( $this->cleanupSwaps as $table ) { + $this->swap( $table ); + } + } + + function renameTable( $from, $to ) { + $this->log( "Renaming $from to $to..." ); + + $fromtable = $this->dbw->tableName( $from ); + $totable = $this->dbw->tableName( $to ); + $this->dbw->query( "ALTER TABLE $fromtable RENAME TO $totable" ); + } + + function swap( $base ) { + $this->renameTable( $base, "{$base}_old" ); + $this->renameTable( "{$base}_temp", $base ); + } + +} + +?> |