use Wikimedia\Rdbms\DBConnRef;
use Wikimedia\Rdbms\IDatabase;
use Wikimedia\Rdbms\ILoadBalancer;
+use Wikimedia\Rdbms\ResultWrapper;
/**
* Service for looking up page revisions.
/**
* @param int $revId The revision to load slots for.
* @param int $queryFlags
+ * @param Title $title
*
* @return SlotRecord[]
*/
- private function loadSlotRecords( $revId, $queryFlags ) {
+ private function loadSlotRecords( $revId, $queryFlags, Title $title ) {
$revQuery = self::getSlotsQueryInfo( [ 'content' ] );
list( $dbMode, $dbOptions ) = DBAccessObjectUtils::getDBOptions( $queryFlags );
$revQuery['joins']
);
+ $slots = $this->constructSlotRecords( $revId, $res, $queryFlags, $title );
+
+ return $slots;
+ }
+
+ /**
+ * Factory method for SlotRecords based on known slot rows.
+ *
+ * @param int $revId The revision to load slots for.
+ * @param object[]|ResultWrapper $slotRows
+ * @param int $queryFlags
+ * @param Title $title
+ *
+ * @return SlotRecord[]
+ */
+ private function constructSlotRecords( $revId, $slotRows, $queryFlags, Title $title ) {
$slots = [];
- foreach ( $res as $row ) {
- // resolve role names and model names from in-memory cache, instead of joining.
- $row->role_name = $this->slotRoleStore->getName( (int)$row->slot_role_id );
- $row->model_name = $this->contentModelStore->getName( (int)$row->content_model );
+ foreach ( $slotRows as $row ) {
+ // Resolve role names and model names from in-memory cache, if they were not joined in.
+ if ( !isset( $row->role_name ) ) {
+ $row->role_name = $this->slotRoleStore->getName( (int)$row->slot_role_id );
+ }
+
+ if ( !isset( $row->model_name ) ) {
+ if ( isset( $row->content_model ) ) {
+ $row->model_name = $this->contentModelStore->getName( (int)$row->content_model );
+ } else {
+ // We may get here if $row->model_name is set but null, perhaps because it
+ // came from rev_content_model, which is NULL for the default model.
+ $slotRoleHandler = $this->slotRoleRegistry->getRoleHandler( $row->role_name );
+ $row->model_name = $slotRoleHandler->getDefaultModel( $title );
+ }
+ }
+
+ if ( !isset( $row->content_id ) && isset( $row->rev_text_id ) ) {
+ $row->slot_content_id
+ = $this->emulateContentId( intval( $row->rev_text_id ) );
+ }
$contentCallback = function ( SlotRecord $slot ) use ( $queryFlags ) {
return $this->loadSlotContent( $slot, null, null, null, $queryFlags );
throw new RevisionAccessException(
'Main slot of revision ' . $revId . ' not found in database!'
);
- };
+ }
return $slots;
}
/**
- * Factory method for RevisionSlots.
+ * Factory method for RevisionSlots based on a revision ID.
*
* @note If other code has a need to construct RevisionSlots objects, this should be made
* public, since RevisionSlots instances should not be constructed directly.
*
* @param int $revId
* @param object $revisionRow
+ * @param object[]|null $slotRows
* @param int $queryFlags
* @param Title $title
*
private function newRevisionSlots(
$revId,
$revisionRow,
+ $slotRows,
$queryFlags,
Title $title
) {
- if ( !$this->hasMcrSchemaFlags( SCHEMA_COMPAT_READ_NEW ) ) {
+ if ( $slotRows ) {
+ $slots = new RevisionSlots(
+ $this->constructSlotRecords( $revId, $slotRows, $queryFlags, $title )
+ );
+ } elseif ( !$this->hasMcrSchemaFlags( SCHEMA_COMPAT_READ_NEW ) ) {
$mainSlot = $this->emulateMainSlot_1_29( $revisionRow, $queryFlags, $title );
// @phan-suppress-next-line PhanTypeInvalidCallableArraySize false positive
$slots = new RevisionSlots( [ SlotRecord::MAIN => $mainSlot ] );
// XXX: do we need the same kind of caching here
// that getKnownCurrentRevision uses (if $revId == page_latest?)
- $slots = new RevisionSlots( function () use( $revId, $queryFlags ) {
- return $this->loadSlotRecords( $revId, $queryFlags );
+ $slots = new RevisionSlots( function () use( $revId, $queryFlags, $title ) {
+ return $this->loadSlotRecords( $revId, $queryFlags, $title );
} );
}
// Legacy because $row may have come from self::selectFields()
$comment = $this->commentStore->getCommentLegacy( $db, 'ar_comment', $row, true );
- $slots = $this->newRevisionSlots( $row->ar_rev_id, $row, $queryFlags, $title );
+ $slots = $this->newRevisionSlots( $row->ar_rev_id, $row, null, $queryFlags, $title );
return new RevisionArchiveRecord( $title, $user, $comment, $row, $slots, $this->wikiId );
}
*
* MCR migration note: this replaces Revision::newFromRow
*
- * @param object $row
+ * @param object $row A database row generated from a query based on getQueryInfo()
* @param int $queryFlags
* @param Title|null $title
* @param bool $fromCache if true, the returned RevisionRecord will ensure that no stale
$queryFlags = 0,
Title $title = null,
$fromCache = false
+ ) {
+ return $this->newRevisionFromRowAndSlots( $row, null, $queryFlags, $title, $fromCache );
+ }
+
+ /**
+ * @param object $row A database row generated from a query based on getQueryInfo()
+ * @param null|object[] $slotRows Database rows generated from a query based on
+ * getSlotsQueryInfo with the 'content' flag set.
+ * @param int $queryFlags
+ * @param Title|null $title
+ * @param bool $fromCache if true, the returned RevisionRecord will ensure that no stale
+ * data is returned from getters, by querying the database as needed
+ *
+ * @return RevisionRecord
+ * @throws MWException
+ * @see RevisionFactory::newRevisionFromRow
+ *
+ * MCR migration note: this replaces Revision::newFromRow
+ *
+ */
+ public function newRevisionFromRowAndSlots(
+ $row,
+ $slotRows,
+ $queryFlags = 0,
+ Title $title = null,
+ $fromCache = false
) {
Assert::parameterType( 'object', $row, '$row' );
// Legacy because $row may have come from self::selectFields()
$comment = $this->commentStore->getCommentLegacy( $db, 'rev_comment', $row, true );
- $slots = $this->newRevisionSlots( $row->rev_id, $row, $queryFlags, $title );
+ $slots = $this->newRevisionSlots( $row->rev_id, $row, $slotRows, $queryFlags, $title );
// If this is a cached row, instantiate a cache-aware revision class to avoid stale data.
if ( $fromCache ) {
$this->initializeMutableRevisionFromArray( $revision, $fields );
if ( isset( $fields['content'] ) && is_array( $fields['content'] ) ) {
+ // @phan-suppress-next-line PhanTypeNoPropertiesForeach
foreach ( $fields['content'] as $role => $content ) {
$revision->setContent( $role, $content );
}
// within web requests to certain avoid bugs like T93866 and T94407.
if ( !$rev
&& !( $flags & self::READ_LATEST )
- && $lb->getServerCount() > 1
+ && $lb->hasStreamingReplicaServers()
&& $lb->hasOrMadeRecentMasterChanges()
) {
$flags = self::READ_LATEST;
if ( $this->hasMcrSchemaFlags( SCHEMA_COMPAT_READ_OLD ) ) {
$db = $this->getDBConnectionRef( DB_REPLICA );
- $ret['tables']['slots'] = 'revision';
+ $ret['tables'][] = 'revision';
- $ret['fields']['slot_revision_id'] = 'slots.rev_id';
+ $ret['fields']['slot_revision_id'] = 'rev_id';
$ret['fields']['slot_content_id'] = 'NULL';
- $ret['fields']['slot_origin'] = 'slots.rev_id';
+ $ret['fields']['slot_origin'] = 'rev_id';
$ret['fields']['role_name'] = $db->addQuotes( SlotRecord::MAIN );
if ( in_array( 'content', $options, true ) ) {
- $ret['fields']['content_size'] = 'slots.rev_len';
- $ret['fields']['content_sha1'] = 'slots.rev_sha1';
+ $ret['fields']['content_size'] = 'rev_len';
+ $ret['fields']['content_sha1'] = 'rev_sha1';
$ret['fields']['content_address']
- = $db->buildConcat( [ $db->addQuotes( 'tt:' ), 'slots.rev_text_id' ] );
+ = $db->buildConcat( [ $db->addQuotes( 'tt:' ), 'rev_text_id' ] );
+
+ // Allow the content_id field to be emulated later
+ $ret['fields']['rev_text_id'] = 'rev_text_id';
if ( $this->contentHandlerUseDB ) {
- $ret['fields']['model_name'] = 'slots.rev_content_model';
+ $ret['fields']['model_name'] = 'rev_content_model';
} else {
$ret['fields']['model_name'] = 'NULL';
}
dépôts / lhc / web / wiklou.git / blobdiff