public function execute() {
global $wgCategoryCollation;
$dbw = $this->getDB( DB_MASTER );
$force = $this->getOption( 'force' );
$dryRun = $this->getOption( 'dry-run' );
$verboseStats = $this->getOption( 'verbose-stats' );
if ( $this->hasOption( 'target-collation' ) ) {
$collationName = $this->getOption( 'target-collation' );
$collation = Collation::factory( $collationName );
} else {
$collationName = $wgCategoryCollation;
$collation = Collation::singleton();
}
// Collation sanity check: in some cases the constructor will work,
// but this will raise an exception, breaking all category pages
$collation->getFirstLetter( 'MediaWiki' );
$options = array(
'LIMIT' => self::BATCH_SIZE,
'ORDER BY' => 'cl_to, cl_type, cl_from',
'STRAIGHT_JOIN',
);
if ( $force || $dryRun ) {
$collationConds = array();
} else {
if ( $this->hasOption( 'previous-collation' ) ) {
$collationConds['cl_collation'] = $this->getOption( 'previous-collation' );
} else {
$collationConds = array( 0 =>
'cl_collation != ' . $dbw->addQuotes( $collationName )
);
}
$count = $dbw->estimateRowCount(
'categorylinks',
'*',
$collationConds,
__METHOD__
);
// Improve estimate if feasible
if ( $count < 1000000 ) {
$count = $dbw->selectField(
'categorylinks',
'COUNT(*)',
$collationConds,
__METHOD__
);
}
if ( $count == 0 ) {
$this->output( "Collations up-to-date.\n" );
return;
}
$this->output( "Fixing collation for $count rows.\n" );
}
$count = 0;
$batchCount = 0;
$batchConds = array();
do {
$this->output( "Selecting next " . self::BATCH_SIZE . " rows..." );
$res = $dbw->select(
array( 'categorylinks', 'page' ),
array( 'cl_from', 'cl_to', 'cl_sortkey_prefix', 'cl_collation',
'cl_sortkey', 'cl_type', 'page_namespace', 'page_title'
),
array_merge( $collationConds, $batchConds, array( 'cl_from = page_id' ) ),
__METHOD__,
$options
);
$this->output( " processing..." );
if ( !$dryRun ) {
$dbw->begin( __METHOD__ );
}
foreach ( $res as $row ) {
$title = Title::newFromRow( $row );
if ( !$row->cl_collation ) {
# This is an old-style row, so the sortkey needs to be
# converted.
if ( $row->cl_sortkey == $title->getText()
|| $row->cl_sortkey == $title->getPrefixedText() ) {
$prefix = '';
} else {
# Custom sortkey, use it as a prefix
$prefix = $row->cl_sortkey;
}
} else {
$prefix = $row->cl_sortkey_prefix;
}
# cl_type will be wrong for lots of pages if cl_collation is 0,
# so let's update it while we're here.
if ( $title->getNamespace() == NS_CATEGORY ) {
$type = 'subcat';
} elseif ( $title->getNamespace() == NS_FILE ) {
$type = 'file';
} else {
$type = 'page';
}
$newSortKey = $collation->getSortKey(
$title->getCategorySortkey( $prefix ) );
if ( $verboseStats ) {
$this->updateSortKeySizeHistogram( $newSortKey );
}
if ( !$dryRun ) {
$dbw->update(
'categorylinks',
array(
'cl_sortkey' => $newSortKey,
'cl_sortkey_prefix' => $prefix,
'cl_collation' => $collationName,
'cl_type' => $type,
'cl_timestamp = cl_timestamp',
),
array( 'cl_from' => $row->cl_from, 'cl_to' => $row->cl_to ),
__METHOD__
);
}
}
if ( !$dryRun ) {
$dbw->commit( __METHOD__ );
}
if ( $row ) {
$batchConds = array( $this->getBatchCondition( $row ) );
}
$count += $res->numRows();
$this->output( "$count done.\n" );
if ( !$dryRun && ++$batchCount % self::SYNC_INTERVAL == 0 ) {
$this->output( "Waiting for slaves ... " );
wfWaitForSlaves();
$this->output( "done\n" );
}
} while ( $res->numRows() == self::BATCH_SIZE );
$this->output( "$count rows processed\n" );
if ( $verboseStats ) {
$this->output( "\n" );
$this->showSortKeySizeHistogram();
}
}
/**
* Test correct first letter is fetched.
*
* @param $collation String Collation name (aka uca-en)
* @param $string String String to get first letter of
* @param $firstLetter String Expected first letter.
*
* @dataProvider firstLetterProvider
*/
function testGetFirstLetter($collation, $string, $firstLetter)
{
$col = Collation::factory($collation);
$this->assertEquals($firstLetter, $col->getFirstLetter($string));
}
public function execute()
{
global $wgCategoryCollation;
$dbw = $this->getDB(DB_MASTER);
$dbr = $this->getDB(DB_SLAVE);
$force = $this->getOption('force');
$dryRun = $this->getOption('dry-run');
$verboseStats = $this->getOption('verbose-stats');
if ($this->hasOption('target-collation')) {
$collationName = $this->getOption('target-collation');
$collation = Collation::factory($collationName);
} else {
$collationName = $wgCategoryCollation;
$collation = Collation::singleton();
}
// Collation sanity check: in some cases the constructor will work,
// but this will raise an exception, breaking all category pages
$collation->getFirstLetter('MediaWiki');
// Locally at least, (my local is a rather old version of mysql)
// mysql seems to filesort if there is both an equality
// (but not for an inequality) condition on cl_collation in the
// WHERE and it is also the first item in the ORDER BY.
if ($this->hasOption('previous-collation')) {
$orderBy = 'cl_to, cl_type, cl_from';
} else {
$orderBy = 'cl_collation, cl_to, cl_type, cl_from';
}
$options = ['LIMIT' => self::BATCH_SIZE, 'ORDER BY' => $orderBy, 'STRAIGHT_JOIN'];
if ($force || $dryRun) {
$collationConds = [];
} else {
if ($this->hasOption('previous-collation')) {
$collationConds['cl_collation'] = $this->getOption('previous-collation');
} else {
$collationConds = [0 => 'cl_collation != ' . $dbw->addQuotes($collationName)];
}
$count = $dbr->estimateRowCount('categorylinks', '*', $collationConds, __METHOD__);
// Improve estimate if feasible
if ($count < 1000000) {
$count = $dbr->selectField('categorylinks', 'COUNT(*)', $collationConds, __METHOD__);
}
if ($count == 0) {
$this->output("Collations up-to-date.\n");
return;
}
$this->output("Fixing collation for {$count} rows.\n");
wfWaitForSlaves();
}
$count = 0;
$batchCount = 0;
$batchConds = [];
do {
$this->output("Selecting next " . self::BATCH_SIZE . " rows...");
// cl_type must be selected as a number for proper paging because
// enums suck.
if ($dbw->getType() === 'mysql') {
$clType = 'cl_type+0 AS "cl_type_numeric"';
} else {
$clType = 'cl_type';
}
$res = $dbw->select(['categorylinks', 'page'], ['cl_from', 'cl_to', 'cl_sortkey_prefix', 'cl_collation', 'cl_sortkey', $clType, 'page_namespace', 'page_title'], array_merge($collationConds, $batchConds, ['cl_from = page_id']), __METHOD__, $options);
$this->output(" processing...");
if (!$dryRun) {
$this->beginTransaction($dbw, __METHOD__);
}
foreach ($res as $row) {
$title = Title::newFromRow($row);
if (!$row->cl_collation) {
# This is an old-style row, so the sortkey needs to be
# converted.
if ($row->cl_sortkey == $title->getText() || $row->cl_sortkey == $title->getPrefixedText()) {
$prefix = '';
} else {
# Custom sortkey, use it as a prefix
$prefix = $row->cl_sortkey;
}
} else {
$prefix = $row->cl_sortkey_prefix;
}
# cl_type will be wrong for lots of pages if cl_collation is 0,
# so let's update it while we're here.
if ($title->getNamespace() == NS_CATEGORY) {
$type = 'subcat';
} elseif ($title->getNamespace() == NS_FILE) {
$type = 'file';
} else {
$type = 'page';
}
$newSortKey = $collation->getSortKey($title->getCategorySortkey($prefix));
if ($verboseStats) {
$this->updateSortKeySizeHistogram($newSortKey);
}
if (!$dryRun) {
$dbw->update('categorylinks', ['cl_sortkey' => $newSortKey, 'cl_sortkey_prefix' => $prefix, 'cl_collation' => $collationName, 'cl_type' => $type, 'cl_timestamp = cl_timestamp'], ['cl_from' => $row->cl_from, 'cl_to' => $row->cl_to], __METHOD__);
}
if ($row) {
$batchConds = [$this->getBatchCondition($row, $dbw)];
}
}
if (!$dryRun) {
$this->commitTransaction($dbw, __METHOD__);
}
$count += $res->numRows();
$this->output("{$count} done.\n");
if (!$dryRun && ++$batchCount % self::SYNC_INTERVAL == 0) {
$this->output("Waiting for slaves ... ");
wfWaitForSlaves();
$this->output("done\n");
}
} while ($res->numRows() == self::BATCH_SIZE);
$this->output("{$count} rows processed\n");
if ($verboseStats) {
$this->output("\n");
$this->showSortKeySizeHistogram();
}
}
