private function ensureChunkIndexes()
    {
        $chunkCollection = $this->getChunkCollection();
        $indexKey = ['files_id' => 1, 'n' => 1];
        foreach ($chunkCollection->listIndexes() as $index) {
            if (!empty($index['unique']) && $index['key'] === $indexKey) {
                return;
            }
        }
        $chunkCollection->createIndex($indexKey, ['unique' => true]);
    }
private function ensureChunkIndexes()
    {
        $chunkCollection = $this->getChunkCollection();
        $indexKey = ['files_id' => 1, 'n' => 1];
        foreach ($chunkCollection->listIndexes() as $index) {
            if (!empty($index['unique']) && $index['key'] === $indexKey) {
                return;
            }
        }
        $chunkCollection->createIndex($indexKey, ['unique' => true]);
    }
private function ensureChunkIndexes ( ) { $ chunkCollection = $ this -> getChunkCollection ( ) ; $ indexKey = [ 'files_id' => 1 , 'n' => 1 ] ; foreach ( $ chunkCollection -> listIndexes ( ) as $ index ) { if ( ! empty ( $ index [ 'unique' ] ) && $ index [ 'key' ] === $ indexKey ) { return ; } } $ chunkCollection -> createIndex ( $ indexKey , [ 'unique' => true ] ) ; }
Ensures indexes at chunk collection.
Ensures indexes at chunk collection .