* @ingroup SpecialPage
*/
+use Wikimedia\Rdbms\ResultWrapper;
+use Wikimedia\Rdbms\IDatabase;
+
/**
* SpecialShortpages extends QueryPage. It is used to return the shortest
* pages in the database.
*/
class ShortPagesPage extends QueryPage {
- function getName() {
- return 'Shortpages';
- }
-
- /**
- * This query is indexed as of 1.5
- */
- function isExpensive() {
- return true;
+ function __construct( $name = 'Shortpages' ) {
+ parent::__construct( $name );
}
function isSyndicated() {
return false;
}
- function getSQL() {
- global $wgContentNamespaces;
+ public function getQueryInfo() {
+ $config = $this->getConfig();
+ $blacklist = $config->get( 'ShortPagesNamespaceBlacklist' );
+ $tables = [ 'page' ];
+ $conds = [
+ 'page_namespace' => array_diff( MWNamespace::getContentNamespaces(), $blacklist ),
+ 'page_is_redirect' => 0
+ ];
+ $joinConds = [];
+ $options = [ 'USE INDEX' => [ 'page' => 'page_redirect_namespace_len' ] ];
+
+ // Allow extensions to modify the query
+ Hooks::run( 'ShortPagesQuery', [ &$tables, &$conds, &$joinConds, &$options ] );
+
+ return [
+ 'tables' => $tables,
+ 'fields' => [
+ 'namespace' => 'page_namespace',
+ 'title' => 'page_title',
+ 'value' => 'page_len'
+ ],
+ 'conds' => $conds,
+ 'join_conds' => $joinConds,
+ 'options' => $options
+ ];
+ }
+
+ public function reallyDoQuery( $limit, $offset = false ) {
+ $fname = static::class . '::reallyDoQuery';
+ $dbr = $this->getRecacheDB();
+ $query = $this->getQueryInfo();
+ $order = $this->getOrderFields();
+
+ if ( $this->sortDescending() ) {
+ foreach ( $order as &$field ) {
+ $field .= ' DESC';
+ }
+ }
+
+ $tables = isset( $query['tables'] ) ? (array)$query['tables'] : [];
+ $fields = isset( $query['fields'] ) ? (array)$query['fields'] : [];
+ $conds = isset( $query['conds'] ) ? (array)$query['conds'] : [];
+ $options = isset( $query['options'] ) ? (array)$query['options'] : [];
+ $join_conds = isset( $query['join_conds'] ) ? (array)$query['join_conds'] : [];
+
+ if ( $limit !== false ) {
+ $options['LIMIT'] = intval( $limit );
+ }
- $dbr = wfGetDB( DB_SLAVE );
- $page = $dbr->tableName( 'page' );
- $name = $dbr->addQuotes( $this->getName() );
+ if ( $offset !== false ) {
+ $options['OFFSET'] = intval( $offset );
+ }
- $forceindex = $dbr->useIndexClause("page_len");
+ $namespaces = $conds['page_namespace'];
+ if ( count( $namespaces ) === 1 ) {
+ $options['ORDER BY'] = $order;
+ $res = $dbr->select( $tables, $fields, $conds, $fname,
+ $options, $join_conds
+ );
+ } else {
+ unset( $conds['page_namespace'] );
+ $options['INNER ORDER BY'] = $order;
+ $options['ORDER BY'] = [ 'value' . ( $this->sortDescending() ? ' DESC' : '' ) ];
+ $sql = $dbr->unionConditionPermutations(
+ $tables,
+ $fields,
+ [ 'page_namespace' => $namespaces ],
+ $conds,
+ $fname,
+ $options,
+ $join_conds
+ );
+ $res = $dbr->query( $sql, $fname );
+ }
- if ($wgContentNamespaces)
- $nsclause = "page_namespace IN (" . $dbr->makeList($wgContentNamespaces) . ")";
- else
- $nsclause = "page_namespace = " . NS_MAIN;
+ return $res;
+ }
- return
- "SELECT $name as type,
- page_namespace as namespace,
- page_title as title,
- page_len AS value
- FROM $page $forceindex
- WHERE $nsclause AND page_is_redirect=0";
+ function getOrderFields() {
+ return [ 'page_len' ];
}
+ /**
+ * @param IDatabase $db
+ * @param ResultWrapper $res
+ */
function preprocessResults( $db, $res ) {
- # There's no point doing a batch check if we aren't caching results;
- # the page must exist for it to have been pulled out of the table
- if( $this->isCached() ) {
- $batch = new LinkBatch();
- foreach ( $res as $row ) {
- $batch->add( $row->namespace, $row->title );
- }
- $batch->execute();
- if ( $db->numRows( $res ) > 0 ) {
- $db->dataSeek( $res, 0 );
- }
- }
+ $this->executeLBFromResultWrapper( $res );
}
function sortDescending() {
return false;
}
+ /**
+ * @param Skin $skin
+ * @param object $result Result row
+ * @return string
+ */
function formatResult( $skin, $result ) {
- global $wgLang, $wgContLang;
- $dm = $wgContLang->getDirMark();
+ $dm = $this->getLanguage()->getDirMark();
$title = Title::makeTitleSafe( $result->namespace, $result->title );
if ( !$title ) {
- return '<!-- Invalid title ' . htmlspecialchars( "{$result->namespace}:{$result->title}" ). '-->';
+ return Html::element( 'span', [ 'class' => 'mw-invalidtitle' ],
+ Linker::getInvalidTitleDescription( $this->getContext(), $result->namespace, $result->title ) );
}
- $hlink = $skin->linkKnown(
+
+ $linkRenderer = $this->getLinkRenderer();
+ $hlink = $linkRenderer->makeKnownLink(
$title,
- wfMsgHtml( 'hist' ),
- array(),
- array( 'action' => 'history' )
+ $this->msg( 'hist' )->text(),
+ [],
+ [ 'action' => 'history' ]
);
- $plink = $this->isCached()
- ? $skin->link( $title )
- : $skin->linkKnown( $title );
- $size = wfMessage( 'nbytes', $wgLang->formatNum( $result->value ) )->escaped();
-
- return $title->exists()
- ? "({$hlink}) {$dm}{$plink} {$dm}[{$size}]"
- : "<del>({$hlink}) {$dm}{$plink} {$dm}[{$size}]</del>";
- }
-}
+ $hlinkInParentheses = $this->msg( 'parentheses' )->rawParams( $hlink )->escaped();
+
+ if ( $this->isCached() ) {
+ $plink = $linkRenderer->makeLink( $title );
+ $exists = $title->exists();
+ } else {
+ $plink = $linkRenderer->makeKnownLink( $title );
+ $exists = true;
+ }
-/**
- * constructor
- */
-function wfSpecialShortpages() {
- list( $limit, $offset ) = wfCheckLimits();
+ $size = $this->msg( 'nbytes' )->numParams( $result->value )->escaped();
- $spp = new ShortPagesPage();
+ return $exists
+ ? "${hlinkInParentheses} {$dm}{$plink} {$dm}[{$size}]"
+ : "<del>${hlinkInParentheses} {$dm}{$plink} {$dm}[{$size}]</del>";
+ }
- return $spp->doQuery( $offset, $limit );
+ protected function getGroupName() {
+ return 'maintenance';
+ }
}
scripts.mit.edu / autoinstallsdev / mediawiki.git / blobdiff