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',
$this->$method();
}
}
-
+
if( $this->doing( 'cleanup' ) ) {
$this->upgradeCleanup();
}
}
-
-
+
+
/**
* Open a connection to the master server with the admin rights.
* @return Database
function &newConnection() {
global $wgDBadminuser, $wgDBadminpassword;
global $wgDBserver, $wgDBname;
- $db =& new Database( $wgDBserver, $wgDBadminuser, $wgDBadminpassword, $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
$db->query( "SET net_write_timeout=$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
# http://www.unicode.org/Public/MAPPINGS/VENDORS/MICSFT/WINDOWS/CP1252.TXT
static $cp1252 = array(
0x80 => 0x20AC, #EURO SIGN
- 0x81 => UNICODE_REPLACEMENT,
+ 0x81 => 0xFFFD, #REPLACEMENT CHARACTER (no mapping)
0x82 => 0x201A, #SINGLE LOW-9 QUOTATION MARK
0x83 => 0x0192, #LATIN SMALL LETTER F WITH HOOK
0x84 => 0x201E, #DOUBLE LOW-9 QUOTATION MARK
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,
+ 0x8D => 0xFFFD, #REPLACEMENT CHARACTER (no mapping)
0x8E => 0x017D, #LATIN CAPITAL LETTER Z WITH CARON
- 0x8F => UNICODE_REPLACEMENT,
- 0x90 => UNICODE_REPLACEMENT,
+ 0x8F => 0xFFFD, #REPLACEMENT CHARACTER (no mapping)
+ 0x90 => 0xFFFD, #REPLACEMENT CHARACTER (no mapping)
0x91 => 0x2018, #LEFT SINGLE QUOTATION MARK
0x92 => 0x2019, #RIGHT SINGLE QUOTATION MARK
0x93 => 0x201C, #LEFT DOUBLE QUOTATION MARK
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,
+ 0x9D => 0xFFFD, #REPLACEMENT CHARACTER (no mapping)
0x9E => 0x017E, #LATIN SMALL LETTER Z WITH CARON
0x9F => 0x0178, #LATIN CAPITAL LETTER Y WITH DIAERESIS
);
}
return $pairs;
}
-
+
/**
* Convert from 8-bit Windows-1252 to UTF-8 if necessary.
* @param string $text
? strtr( $text, $this->conversionTables )
: $text );
}
-
+
/**
* Dump timestamp and message to output
* @param string $message
* @access private
*/
function log( $message ) {
- echo wfTimestamp( TS_DB ) . ': ' . $message . "\n";
+ echo wfWikiID() . ' ' . wfTimestamp( TS_DB ) . ': ' . $message . "\n";
flush();
}
-
+
/**
* Initialize the chunked-insert system.
* Rows will be inserted in chunks of the given number, rather
$this->chunkTable = $table;
$this->chunkFunction = $fname;
}
-
+
/**
* Chunked inserts: perform an insert if we've reached the chunk limit.
* Prints a progress report with estimated completion time.
function addChunk( &$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->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.
}
$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.
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
*/
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;' ) ) );
$sourceFields,
'',
$fname );
-
+
$add = array();
while( $row = $this->dbr->fetchObject( $result ) ) {
$copy = array();
}
$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( $this->dbw->tableNames( 'cur', 'old', 'page', 'revision', 'text' ) );
+
+ list ($cur, $old, $page, $revision, $text) = $this->dbw->tableNamesN( 'cur', 'old', 'page', 'revision', 'text' );
$this->log( "Creating page and revision tables..." );
$this->dbw->query("CREATE TABLE $page (
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 usertext_timestamp (rev_user_text,rev_timestamp)
) TYPE=InnoDB", $fname );
- $maxold = IntVal( $this->dbw->selectField( 'old', 'max(old_id)', '', $fname ) );
+ $maxold = intval( $this->dbw->selectField( 'old', 'max(old_id)', '', $fname ) );
$this->log( "Last old record is {$maxold}" );
global $wgLegacySchemaConversion;
$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
}
$this->lastChunk( $add );
$this->dbr->freeResult( $result );
-
+
/**
* Copy revision metadata from old into revision.
* We'll also do UTF-8 conversion of usernames and comments.
#$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,
}
$this->lastChunk( $add );
$this->dbr->freeResult( $result );
-
+
/**
* Copy page metadata from cur into page.
}
$this->lastChunk( $add );
$this->dbr->freeResult( $result );
-
+
$this->log( "...done with cur/old -> page/revision." );
}
-
+
function upgradeLinks() {
$fname = 'FiveUpgrade::upgradeLinks';
$chunksize = 200;
- extract( $this->dbw->tableNames( 'links', 'brokenlinks', 'pagelinks', 'cur' ) );
-
+ list ($links, $brokenlinks, $pagelinks, $cur) = $this->dbw->tableNamesN( '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.' );
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)
} else {
$this->log( 'no links!' );
}
-
+
$this->log( 'Importing brokenlinks -> pagelinks' );
$nbrokenlinks = $this->dbw->selectField( 'brokenlinks', 'count(*)', '', $fname );
if( $nbrokenlinks ) {
} else {
$this->log( 'no brokenlinks!' );
}
-
+
$this->log( 'Done with links.' );
}
-
+
function upgradeUser() {
// Apply unique index, if necessary:
$duper = new UserDupes( $this->dbw );
$this->log( "WARNING: Duplicate user accounts, may explode!" );
}
}
-
+
$tabledef = <<<END
CREATE TABLE $1 (
user_id int(5) unsigned NOT NULL auto_increment,
$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_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)
$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_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 );
'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( $this->imagePath );
+ $gis = wfGetSVGsize( $filename );
} elseif( $magic->isPHPImageType( $mime ) ) {
$gis = getimagesize( $filename );
} else {
if( isset( $gis['bits'] ) ) {
$info['bits'] = $gis['bits'];
}
-
+
return $info;
}
-
+
/**
* Truncate a table.
function clearTable( $table ) {
print "Clearing $table...\n";
$tableName = $this->db->tableName( $table );
- $this->db->query( 'TRUNCATE $tableName' );
+ $this->db->query( "TRUNCATE $tableName" );
}
-
+
/**
* Rename a given image or archived image file to the converted filename,
* leaving a symlink for URL compatibility.
// 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 ) );
+ $relpath = wfRelativePath( $newpath, dirname( $oldpath ) );
if( !symlink( $relpath, $oldpath ) ) {
$this->log( "... symlink 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,
$this->copyTable( 'oldimage', $tabledef, $fields,
array( &$this, 'oldimageCallback' ) );
}
-
+
function oldimageCallback( $row, $copy ) {
global $options;
if( !isset( $options['noimage'] ) ) {
$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( $this->dbw->tableNames( 'watchlist', 'watchlist_temp' ) );
-
+
+ list ($watchlist, $watchlist_temp) = $this->dbw->tableNamesN( '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)
// 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_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 ),
}
$this->lastChunk( $add );
$this->dbr->freeResult( $result );
-
+
$this->log( 'Done converting watchlist.' );
$this->cleanupSwaps[] = 'watchlist';
}
-- 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 '',
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
'ar_text_id' => MW_UPGRADE_NULL );
$this->copyTable( 'archive', $tabledef, $fields );
}
-
+
function upgradeImagelinks() {
global $wgUseLatin1;
if( $wgUseLatin1 ) {
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)
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)
$this->copyTable( 'categorylinks', $tabledef, $fields );
}
}
-
+
function upgradeIpblocks() {
global $wgUseLatin1;
if( $wgUseLatin1 ) {
$this->copyTable( 'ipblocks', $tabledef, $fields );
}
}
-
+
function upgradeRecentchanges() {
// There's a format change in the namespace field
$tabledef = <<<END
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),
'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
'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
*/
function upgradeCleanup() {
$this->renameTable( 'old', 'text' );
-
+
foreach( $this->cleanupSwaps as $table ) {
$this->swap( $table );
}
}
-
+
function renameTable( $from, $to ) {
$this->log( "Renaming $from to $to..." );
$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 );
}
-
+
}
-?>
\ No newline at end of file
+?>