/**
* @param int $mode DB_MASTER or DB_REPLICA
+ * @param array $groups
*
* @return IDatabase
*/
- private function getDBConnection( $mode ) {
+ private function getDBConnection( $mode, $groups = [] ) {
$lb = $this->getDBLoadBalancer();
- return $lb->getConnection( $mode, [], $this->wikiId );
+ return $lb->getConnection( $mode, $groups, $this->wikiId );
}
/**
}
/**
- * Get the revision before $rev in the page's history, if any.
- * Will return null for the first revision but also for deleted or unsaved revisions.
- *
- * MCR migration note: this replaces Revision::getPrevious
- *
- * @see Title::getPreviousRevisionID
- * @see PageArchive::getPreviousRevision
+ * Implementation of getPreviousRevision and getNextRevision.
*
* @param RevisionRecord $rev
- * @param Title|null $title if known (optional)
- *
+ * @param int $flags
+ * @param string $dir 'next' or 'prev'
* @return RevisionRecord|null
*/
- public function getPreviousRevision( RevisionRecord $rev, Title $title = null ) {
+ private function getRelativeRevision( RevisionRecord $rev, $flags, $dir ) {
+ $op = $dir === 'next' ? '>' : '<';
+ $sort = $dir === 'next' ? 'ASC' : 'DESC';
+
if ( !$rev->getId() || !$rev->getPageId() ) {
// revision is unsaved or otherwise incomplete
return null;
return null;
}
- if ( $title === null ) {
- // this would fail for deleted revisions
- $title = $this->getTitle( $rev->getPageId(), $rev->getId() );
+ list( $dbType, ) = DBAccessObjectUtils::getDBOptions( $flags );
+ $db = $this->getDBConnection( $dbType, [ 'contributions' ] );
+
+ $ts = $this->getTimestampFromId( $rev->getId(), $flags );
+ if ( $ts === false ) {
+ // XXX Should this be moved into getTimestampFromId?
+ $ts = $db->selectField( 'archive', 'ar_timestamp',
+ [ 'ar_rev_id' => $rev->getId() ], __METHOD__ );
+ if ( $ts === false ) {
+ // XXX Is this reachable? How can we have a page id but no timestamp?
+ return null;
+ }
}
+ $ts = $db->addQuotes( $db->timestamp( $ts ) );
- $prev = $title->getPreviousRevisionID( $rev->getId() );
- if ( !$prev ) {
+ $revId = $db->selectField( 'revision', 'rev_id',
+ [
+ 'rev_page' => $rev->getPageId(),
+ "rev_timestamp $op $ts OR (rev_timestamp = $ts AND rev_id $op {$rev->getId()})"
+ ],
+ __METHOD__,
+ [
+ 'ORDER BY' => "rev_timestamp $sort, rev_id $sort",
+ 'IGNORE INDEX' => 'rev_timestamp', // Probably needed for T159319
+ ]
+ );
+
+ if ( $revId === false ) {
return null;
}
- return $this->getRevisionByTitle( $title, $prev );
+ return $this->getRevisionById( intval( $revId ) );
}
/**
- * Get the revision after $rev in the page's history, if any.
- * Will return null for the latest revision but also for deleted or unsaved revisions.
+ * Get the revision before $rev in the page's history, if any.
+ * Will return null for the first revision but also for deleted or unsaved revisions.
*
- * MCR migration note: this replaces Revision::getNext
+ * MCR migration note: this replaces Revision::getPrevious
*
- * @see Title::getNextRevisionID
+ * @see Title::getPreviousRevisionID
+ * @see PageArchive::getPreviousRevision
*
* @param RevisionRecord $rev
- * @param Title|null $title if known (optional)
+ * @param int $flags (optional) $flags include:
+ * IDBAccessObject::READ_LATEST: Select the data from the master
*
* @return RevisionRecord|null
*/
- public function getNextRevision( RevisionRecord $rev, Title $title = null ) {
- if ( !$rev->getId() || !$rev->getPageId() ) {
- // revision is unsaved or otherwise incomplete
- return null;
+ public function getPreviousRevision( RevisionRecord $rev, $flags = 0 ) {
+ if ( $flags instanceof Title ) {
+ // Old calling convention, we don't use Title here anymore
+ wfDeprecated( __METHOD__ . ' with Title', '1.34' );
+ $flags = 0;
}
- if ( $rev instanceof RevisionArchiveRecord ) {
- // revision is deleted, so it's not part of the page history
- return null;
- }
-
- if ( $title === null ) {
- // this would fail for deleted revisions
- $title = $this->getTitle( $rev->getPageId(), $rev->getId() );
- }
+ return $this->getRelativeRevision( $rev, $flags, 'prev' );
+ }
- $next = $title->getNextRevisionID( $rev->getId() );
- if ( !$next ) {
- return null;
+ /**
+ * Get the revision after $rev in the page's history, if any.
+ * Will return null for the latest revision but also for deleted or unsaved revisions.
+ *
+ * MCR migration note: this replaces Revision::getNext
+ *
+ * @see Title::getNextRevisionID
+ *
+ * @param RevisionRecord $rev
+ * @param int $flags (optional) $flags include:
+ * IDBAccessObject::READ_LATEST: Select the data from the master
+ * @return RevisionRecord|null
+ */
+ public function getNextRevision( RevisionRecord $rev, $flags = 0 ) {
+ if ( $flags instanceof Title ) {
+ // Old calling convention, we don't use Title here anymore
+ wfDeprecated( __METHOD__ . ' with Title', '1.34' );
+ $flags = 0;
}
- return $this->getRevisionByTitle( $title, $next );
+ return $this->getRelativeRevision( $rev, $flags, 'next' );
}
/**
dépôts / lhc / web / wiklou.git / blobdiff