/**
* actual logic for retrieving data.
*/
protected function multiGet(array $ids)
{
$result = array_fill_keys($ids, NULL);
foreach (Util::parseIds($ids) as $shard => $sequences) {
$table = $this->table($shard);
$db = $this->db($table);
if (DB\Transaction::inProgress()) {
DB\Transaction::add($db);
}
$sql = "SELECT `sequence`,`data` FROM `{$table}` WHERE `thread` = %s AND `sequence` IN( %i )";
$rs = $db->execute($sql, $this->thread, $sequences);
while ($row = $rs->fetch()) {
$id = Util::composeId($shard, $row['sequence']);
$result[$id] = $this->unserialize($row['data']);
}
$rs->free();
}
foreach (array_keys($result, NULL, TRUE) as $rm) {
unset($result[$rm]);
}
return $result;
}
