private $rootTitle;
private $params, $contID, $redirID, $redirect;
- private $bl_ns, $bl_from, $bl_table, $bl_code, $bl_title, $bl_sort, $bl_fields, $hasNS;
+ private $bl_ns, $bl_from, $bl_table, $bl_code, $bl_title, $bl_fields, $hasNS;
/**
* Maps ns and title to pageid
$this->hasNS = $moduleName !== 'imageusage';
if ( $this->hasNS ) {
$this->bl_title = $prefix . '_title';
- $this->bl_sort = "{$this->bl_ns}, {$this->bl_title}, {$this->bl_from}";
$this->bl_fields = array(
$this->bl_ns,
$this->bl_title
);
} else {
$this->bl_title = $prefix . '_to';
- $this->bl_sort = "{$this->bl_title}, {$this->bl_from}";
$this->bl_fields = array(
$this->bl_title
);
$this->addWhereFld( 'page_namespace', $this->params['namespace'] );
if ( !is_null( $this->contID ) ) {
- $this->addWhere( "{$this->bl_from}>={$this->contID}" );
+ $op = $this->params['dir'] == 'descending' ? '<' : '>';
+ $this->addWhere( "{$this->bl_from}$op={$this->contID}" );
}
if ( $this->params['filterredir'] == 'redirects' ) {
}
$this->addOption( 'LIMIT', $this->params['limit'] + 1 );
- $this->addOption( 'ORDER BY', $this->bl_from );
+ $sort = ( $this->params['dir'] == 'descending' ? ' DESC' : '' );
+ $this->addOption( 'ORDER BY', $this->bl_from . $sort );
$this->addOption( 'STRAIGHT_JOIN' );
}
// We can't use LinkBatch here because $this->hasNS may be false
$titleWhere = array();
+ $allRedirNs = array();
+ $allRedirDBkey = array();
foreach ( $this->redirTitles as $t ) {
- $titleWhere[] = "{$this->bl_title} = " . $db->addQuotes( $t->getDBkey() ) .
- ( $this->hasNS ? " AND {$this->bl_ns} = {$t->getNamespace()}" : '' );
+ $redirNs = $t->getNamespace();
+ $redirDBkey = $t->getDBkey();
+ $titleWhere[] = "{$this->bl_title} = " . $db->addQuotes( $redirDBkey ) .
+ ( $this->hasNS ? " AND {$this->bl_ns} = {$redirNs}" : '' );
+ $allRedirNs[] = $redirNs;
+ $allRedirDBkey[] = $redirDBkey;
}
$this->addWhere( $db->makeList( $titleWhere, LIST_OR ) );
$this->addWhereFld( 'page_namespace', $this->params['namespace'] );
if ( !is_null( $this->redirID ) ) {
+ $op = $this->params['dir'] == 'descending' ? '<' : '>';
$first = $this->redirTitles[0];
$title = $db->addQuotes( $first->getDBkey() );
$ns = $first->getNamespace();
$from = $this->redirID;
if ( $this->hasNS ) {
- $this->addWhere( "{$this->bl_ns} > $ns OR " .
+ $this->addWhere( "{$this->bl_ns} $op $ns OR " .
"({$this->bl_ns} = $ns AND " .
- "({$this->bl_title} > $title OR " .
+ "({$this->bl_title} $op $title OR " .
"({$this->bl_title} = $title AND " .
- "{$this->bl_from} >= $from)))" );
+ "{$this->bl_from} $op= $from)))" );
} else {
- $this->addWhere( "{$this->bl_title} > $title OR " .
+ $this->addWhere( "{$this->bl_title} $op $title OR " .
"({$this->bl_title} = $title AND " .
- "{$this->bl_from} >= $from)" );
+ "{$this->bl_from} $op= $from)" );
}
}
if ( $this->params['filterredir'] == 'redirects' ) {
}
$this->addOption( 'LIMIT', $this->params['limit'] + 1 );
- $this->addOption( 'ORDER BY', $this->bl_sort );
+ $orderBy = array();
+ $sort = ( $this->params['dir'] == 'descending' ? ' DESC' : '' );
+ // Don't order by namespace/title if it's constant in the WHERE clause
+ if( $this->hasNS && count( array_unique( $allRedirNs ) ) != 1 ) {
+ $orderBy[] = $this->bl_ns . $sort;
+ }
+ if( count( array_unique( $allRedirDBkey ) ) != 1 ) {
+ $orderBy[] = $this->bl_title . $sort;
+ }
+ $orderBy[] = $this->bl_from . $sort;
+ $this->addOption( 'ORDER BY', $orderBy );
$this->addOption( 'USE INDEX', array( 'page' => 'PRIMARY' ) );
}
ApiBase::PARAM_ISMULTI => true,
ApiBase::PARAM_TYPE => 'namespace'
),
+ 'dir' => array(\r
+ ApiBase::PARAM_DFLT => 'ascending',\r
+ ApiBase::PARAM_TYPE => array(\r
+ 'ascending',\r
+ 'descending'\r
+ )\r
+ ),
'filterredir' => array(
ApiBase::PARAM_DFLT => 'all',
ApiBase::PARAM_TYPE => array(
'pageid' => "Pageid to search. Cannot be used together with {$this->bl_code}title",
'continue' => 'When more results are available, use this to continue',
'namespace' => 'The namespace to enumerate',
+ 'dir' => 'The direction in which to list',
);
if ( $this->getModuleName() != 'embeddedin' ) {
return array_merge( $retval, array(