No point in fetching the result in Database::unlock() if we're not using it anyway.
[lhc/web/wiklou.git] / maintenance / upgrade1_5.php
index 2acc0d1..dd4acaa 100644 (file)
 <?php
-
-// Alternate 1.4 -> 1.5 schema upgrade
-// This does only the main tables + UTF-8
-// and is designed to allow upgrades to interleave
-// with other updates on the replication stream so
-// that large wikis can be upgraded without disrupting
-// other services.
+/**
+ * Alternate 1.4 -> 1.5 schema upgrade.
+ * This does only the main tables + UTF-8 and is designed to allow upgrades to
+ * interleave with other updates on the replication stream so that large wikis
+ * can be upgraded without disrupting other services.
+ *
+ * Note: this script DOES NOT apply every update, nor will it probably handle
+ * much older versions, etc.
+ * Run this, FOLLOWED BY update.php, for upgrading from 1.4.5 release to 1.5.
+ *
+ * @file
+ * @ingroup Maintenance
+ */
+
+$options = array( 'step', 'noimages' );
 
 require_once( 'commandLine.inc' );
-require_once( 'cleanupDupes.inc' );
+require_once( 'FiveUpgrade.inc' );
 
 $upgrade = new FiveUpgrade();
-$upgrade->upgrade();
-
-class FiveUpgrade {
-       function FiveUpgrade() {
-               global $wgDatabase;
-               $this->conversionTables = $this->prepareWindows1252();
-               $this->dbw =& $this->newConnection();
-               $this->dbr =& $this->newConnection();
-               $this->dbr->bufferResults( false );
-       }
-       
-       function upgrade() {
-               $this->upgradePage();
-               $this->upgradeLinks();
-       }
-       
-       
-       /**
-        * 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 &newConnection() {
-               global $wgDBadminuser, $wgDBadminpassword;
-               global $wgDBserver, $wgDBname;
-               $db =& new Database( $wgDBserver, $wgDBadminuser, $wgDBadminpassword, $wgDBname );
-               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;
-               if( $wgUseLatin1 ) {
-                       return strtr( $text, $this->conversionTables );
-               } else {
-                       return $text;
-               }
-       }
-       
-       /**
-        * Dump timestamp and message to output
-        * @param string $message
-        * @access private
-        */
-       function log( $message ) {
-               echo 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.
-        * @access private
-        */
-       function setChunkScale( $chunksize, $final ) {
-               $this->chunkSize  = $chunksize;
-               $this->chunkFinal = $final;
-               $this->chunkCount = 0;
-               $this->chunkStartTime = wfTime();
-               $this->chunkOptions = array();
-       }
-       
-       /**
-        * Chunked inserts: perform an insert if we've reached the chunk limit.
-        * Prints a progress report with estimated completion time.
-        * @param string $table
-        * @param array &$chunk -- This will be emptied if an insert is done.
-        * @param string $fname function name to report in SQL
-        * @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( $table, &$chunk, $fname, $key = null ) {
-               if( count( $chunk ) >= $this->chunkSize ) {
-                       $this->insertChunk( $table, $chunk, $fname );
-               
-                       $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,
-                               $table,
-                               wfTimestamp( TS_DB, intval( $eta ) ),
-                               $completed,
-                               $this->chunkFinal,
-                               $rate );
-                       flush();
-                       
-                       $chunk = array();
-               }
-       }
-       
-       /**
-        * Chunked inserts: perform an insert unconditionally, at the end, and log.
-        * @param string $table
-        * @param array &$chunk -- This will be emptied if an insert is done.
-        * @param string $fname function name to report in SQL
-        * @access private
-        */
-       function lastChunk( $table, &$chunk, $fname ) {
-               $n = count( $chunk );
-               if( $n > 0 ) {
-                       $this->insertChunk( $table, $chunk, $fname );
-               }
-               $this->log( "100.00% done on $table (last chunk $n rows)." );
-       }
-       
-       /**
-        * Chunked inserts: perform an insert.
-        * @param string $table
-        * @param array &$chunk -- This will be emptied if an insert is done.
-        * @param string $fname function name to report in SQL
-        * @access private
-        */
-       function insertChunk( $table, &$chunk, $fname ) {
-               $this->dbw->insert( $table, $chunk, $fname, $this->chunkOptions );
-       }
-       
-       function upgradePage() {
-               $fname = "FiveUpgrade::upgradePage";
-               $chunksize = 500;
-               
-
-               $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_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 = $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 );
-               $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( 'old', $add, $fname, $row->cur_id );
-               }
-               $this->lastChunk( 'old', $add, $fname );
-               $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 );
-               $countold = $this->dbw->selectField( 'old', 'count(old_id)', '', $fname );
-               $this->setChunkScale( $chunksize, $countold );
-               
-               $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_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( 'revision', $add, $fname );
-               }
-               $this->lastChunk( 'revision', $add, $fname );
-               $this->dbr->freeResult( $result );
-               
-
-               /**
-                * Copy revision metadata from cur into page.
-                * We'll also do UTF-8 conversion of titles.
-                */
-               $this->log( "......Setting up page table." );
-               $this->setChunkScale( $chunksize, $maxcur );
-               $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( 'page', $add, $fname, $row->cur_id );
-               }
-               $this->lastChunk( 'page', $add, $fname );
-               $this->dbr->freeResult( $result );
-
-               $this->log( "......Renaming old." );
-               $this->dbw->query( "ALTER TABLE $old RENAME TO $text", $fname );
-               
-               $this->log( "...done." );
-       }
-       
-       function upgradeLinks() {
-               $fname = 'FiveUpgrade::upgradeLinks';
-               $chunksize = 1000;
-               extract( $this->dbw->tableNames( 'links', 'brokenlinks', 'pagelinks', 'page' ) );
-               
-               $this->log( 'Creating pagelinks table...' );
-               $this->dbw->query( "
-CREATE TABLE $pagelinks (
-  -- Key to the page_id of the page containing the link.
-  pl_from int(8) unsigned NOT NULL default '0',
-  
-  -- Key to page_namespace/page_title of the target page.
-  -- The target page may or may not exist, and due to renames
-  -- and deletions may refer to different page records as time
-  -- goes by.
-  pl_namespace int NOT NULL default '0',
-  pl_title varchar(255) binary NOT NULL default '',
-  
-  UNIQUE KEY pl_from(pl_from,pl_namespace,pl_title),
-  KEY (pl_namespace,pl_title)
-
-) TYPE=InnoDB" );
+$step = isset( $options['step'] ) ? $options['step'] : null;
+$upgrade->upgrade( $step );
 
-               $this->log( 'Importing live links -> pagelinks' );
-               $nlinks = $this->dbw->selectField( 'links', 'count(*)', '', $fname );
-               if( $nlinks ) {
-                       $this->setChunkScale( $chunksize, $nlinks );
-                       $result = $this->dbr->query( "
-                         SELECT l_from,page_namespace,page_title
-                               FROM $links, $page
-                               WHERE l_to=page_id", $fname );
-                       $add = array();
-                       while( $row = $this->dbr->fetchObject( $result ) ) {
-                               $add[] = array(
-                                       'pl_from'      => $row->l_from,
-                                       'pl_namespace' => $row->page_namespace,
-                                       'pl_title'     => $row->page_title );
-                               $this->addChunk( 'pagelinks', $add, $fname );
-                       }
-                       $this->lastChunk( 'pagelinks', $add, $fname );
-               } else {
-                       $this->log( 'no links!' );
-               }
-               
-               $this->log( 'Importing brokenlinks -> pagelinks' );
-               $nbrokenlinks = $this->dbw->selectField( 'brokenlinks', 'count(*)', '', $fname );
-               if( $nbrokenlinks ) {
-                       $this->setChunkScale( $chunksize, $nbrokenlinks );
-                       $this->chunkOptions = array( 'IGNORE' );
-                       $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( 'pagelinks', $add, $fname );
-                               }
-                       }
-                       $this->lastChunk( 'pagelinks', $add, $fname );
-               } else {
-                       $this->log( 'no brokenlinks!' );
-               }
-               
-               $this->log( 'Done with links.' );
-       }
-}
 
-?>
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