/**
* @param array $cached
* @param array $keyToQuery
* @return ResultDuplicator
*/
public function getResultDuplicator(array $cached, array $keyToQuery)
{
$results = $this->inner->expandCacheResult($cached, $keyToQuery);
// Allows us to flatten $results into a single $query array, then
// rebuild final return value in same structure and order as $results.
$duplicator = new ResultDuplicator($this->shallow->getPrimaryKeyColumns(), 2);
foreach ($results as $i => $rows) {
foreach ($rows as $j => $row) {
$duplicator->add($row, array($i, $j));
}
}
return $duplicator;
}
/**
* @param ResultDuplicator $duplicator
* @param array $revisionIds Binary strings representing revision uuid's
* @return array
* @throws DataModelException
*/
protected function findRevIdReal(ResultDuplicator $duplicator, array $revisionIds)
{
if ($revisionIds) {
// SELECT * from flow_revision
// JOIN flow_tree_revision ON tree_rev_id = rev_id
// WHERE rev_id IN (...)
$dbr = $this->dbFactory->getDB(DB_MASTER);
$tables = array('flow_revision');
$joins = array();
if ($this->joinTable()) {
$tables['rev'] = $this->joinTable();
$joins = array('rev' => array('JOIN', "rev_id = " . $this->joinField()));
}
$res = $dbr->select($tables, '*', array('rev_id' => $revisionIds), __METHOD__, array(), $joins);
if (!$res) {
// TODO: dont fail, but dont end up caching bad result either
throw new DataModelException('query failure', 'process-data');
}
foreach ($res as $row) {
$row = UUID::convertUUIDs((array) $row, 'alphadecimal');
$duplicator->merge($row, array($row));
}
}
return $duplicator->getResult();
}
