public function load(array $identifier, $rawData, $shardingKey)
    {
        $mappedIdentifier = $this->mapIdentifier($identifier);
        $datas = $this->schemaManager->fetchIds($this->tableName, $mappedIdentifier, array($this->nameField, $this->valueField), $shardingKey);
        $toReturn = array();
        foreach ($datas as $row) {
            $toReturn[$row[$this->nameField]] = $row[$this->valueField];
        }

        return $toReturn;
    }
public function load(array $identifier, $rawData, $shardingKey)
    {
        $mappedIdentifier = $this->mapIdentifier($identifier);
        $datas = $this->schemaManager->fetchIds($this->tableName, $mappedIdentifier, array($this->nameField, $this->valueField), $shardingKey);
        $toReturn = array();
        foreach ($datas as $row) {
            $toReturn[$row[$this->nameField]] = $row[$this->valueField];
        }

        return $toReturn;
    }
@param array $identifier
@param bool  $rawData
@param mixed $shardingKey

@return array