**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.
{
    if (!isRequireMutationStage(metadata))
        return {};
    MutationCommand result;
    if (type == MODIFY_COLUMN)
    {
        result.type = MutationCommand::Type::READ_COLUMN;
        result.column_name = column_name;
        result.data_type = data_type;
        result.predicate = nullptr;
    }
    else if (type == DROP_COLUMN)
    {
        result.type = MutationCommand::Type::DROP_COLUMN;
        result.column_name = column_name;
        if (clear)
            result.clear = true;
        if (partition)
            result.partition = partition;
        result.predicate = nullptr;
    }
    else if (type == DROP_INDEX)
    {
        result.type = MutationCommand::Type::DROP_INDEX;
        result.column_name = index_name;
        if (clear)
            result.clear = true;
        if (partition)