/**
* @param string $sql
* @param array $params
* @param array $types
*
* @return array
*
* @throws \RuntimeException
*/
public function queryAll($sql, array $params, array $types)
{
$shards = $this->getShards();
if (!$shards) {
throw new \RuntimeException("No shards found.");
}
$result = array();
$oldDistribution = $this->getCurrentDistributionValue();
foreach ($shards as $shard) {
$this->conn->connect($shard['id']);
foreach ($this->conn->fetchAll($sql, $params, $types) as $row) {
$result[] = $row;
}
}
if ($oldDistribution === null) {
$this->selectGlobal();
} else {
$this->selectShard($oldDistribution);
}
return $result;
}
