**Use case**

```
Received exception from server (version 21.11.1):
Code: 36. DB::Exception: Received from localhost:9000. DB::Exception: Wrong index name. Cannot find index `test_pentagram` to drop.. (BAD_ARGUMENTS)

github-explorer.ru-central1.internal :) ALTER TABLE hackernews DROP INDEX text_pentagram
```

It did not show me the typo.
AggregatedDataVariants & data_variants,
        bool final,
        size_t rows,
        Filler && filler) const;
    template <typename Method>
    Block convertOneBucketToBlock(
        AggregatedDataVariants & data_variants,
        Method & method,
        Arena * arena,
        bool final,
        size_t bucket) const;
    Block mergeAndConvertOneBucketToBlock(
        ManyAggregatedDataVariants & variants,
        Arena * arena,
        bool final,
        size_t bucket,
        std::atomic<bool> * is_cancelled = nullptr) const;
    Block prepareBlockAndFillWithoutKey(AggregatedDataVariants & data_variants, bool final, bool is_overflows) const;
    Block prepareBlockAndFillSingleLevel(AggregatedDataVariants & data_variants, bool final) const;
    BlocksList prepareBlocksAndFillTwoLevel(AggregatedDataVariants & data_variants, bool final, ThreadPool * thread_pool) const;
    template <typename Method>
    BlocksList prepareBlocksAndFillTwoLevelImpl(
        AggregatedDataVariants & data_variants,
        Method & method,
        bool final,
        ThreadPool * thread_pool) const;
    template <bool no_more_keys, typename Method, typename Table>
    void mergeStreamsImplCase(
        Block & block,
        Arena * aggregates_pool,