**Describe the issue**
```
SELECT xyz

Query id: 0c7d8017-4686-404c-9991-388d9a693e5f


0 rows in set. Elapsed: 0.003 sec. 

Received exception from server (version 21.2.1):
Code: 47. DB::Exception: Received from localhost:9000. DB::Exception: Missing columns: 'xyz' while processing query: 'SELECT xyz', required columns: 'xyz', maybe you meant: .
```

The fragment `maybe you meant: .` should not be present.
{
        auto prefix = name.substr(0, name.size() - customized_func_suffix.size());
        auto prefix_size = prefix.size();
        if (endsWith(prefix, "MergeState"))
            return prefix.substr(0, prefix_size - 10) + customized_func_suffix + "MergeState";
        if (endsWith(prefix, "Merge"))
            return prefix.substr(0, prefix_size - 5) + customized_func_suffix + "Merge";
        if (endsWith(prefix, "State"))
            return prefix.substr(0, prefix_size - 5) + customized_func_suffix + "State";
        if (endsWith(prefix, "If"))
            return prefix.substr(0, prefix_size - 2) + customized_func_suffix + "If";
        return name;
    }
    void visit(ASTFunction & func, ASTPtr &) const