**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.
{
        if (endsWith(Poco::toLower(func.name), func_suffix))
        {
            size_t prefix_len = func.name.length() - strlen(func_suffix);
            func.name = func.name.substr(0, prefix_len) + customized_func_suffix;
        }
    }
};
char ifDistinct[] = "ifdistinct";
using CustomizeIfDistinctVisitor = InDepthNodeVisitor<OneTypeMatcher<CustomizeFunctionsSuffixData<ifDistinct>>, true>;
struct CustomizeAggregateFunctionsSuffixData
{
    using TypeToVisit = ASTFunction;
    const String & customized_func_suffix;
    void visit(ASTFunction & func, ASTPtr &) const