Debug build:
```
CREATE TABLE table_float__fuzz_44 (`f` Decimal(18, 3), `u` Int8) ENGINE = MergeTree ORDER BY (f, u);
INSERT INTO table_float VALUES (1.2, 1) (1.3, 2) (1.4, 3) (1.5, 4);
SELECT count() FROM table_float__fuzz_44 WHERE (toUInt64(f) = 1) AND (f >= 1.3) AND (f <= 1.4) AND (u > 0) GROUP BY (toUInt64(f) = 1) AND (f >= 1.3) AND (f <= 100.0001) AND (u > 0);
```

https://s3.amazonaws.com/clickhouse-test-reports/44812/ea04181d11827fd552a86ca4d9c07e1d531e6ca3/fuzzer_astfuzzerdebug/report.html
if (!skip_not_null_check)
                {
                    const auto & col = arguments[0].column;
                    const auto & nullable_col = assert_cast<const ColumnNullable &>(*col);
                    const auto & null_map = nullable_col.getNullMapData();
                    if (!memoryIsZero(null_map.data(), 0, null_map.size()))
                        throw Exception{"Cannot convert NULL value to non-Nullable type",
                                        ErrorCodes::CANNOT_INSERT_NULL_IN_ORDINARY_COLUMN};
                }
                const ColumnNullable * nullable_source = typeid_cast<const ColumnNullable *>(arguments.front().column.get());
                return wrapper(tmp_args, nested_type, nullable_source, input_rows_count);
            };
        }
        else
            return wrapper;
    }
    
    
    WrapperType prepareImpl(const DataTypePtr & from_type, const DataTypePtr & to_type, bool requested_result_is_nullable) const
    {
        if (isUInt8(from_type) && isBool(to_type))
            return createUInt8ToBoolWrapper(from_type, to_type);
        
        bool safe_convert_custom_types = true;
        if (const auto * to_type_custom_name = to_type->getCustomName())
            safe_convert_custom_types = from_type->getCustomName() && from_type->getCustomName()->getName() == to_type_custom_name->getName();
        else if (const auto * from_type_custom_name = from_type->getCustomName())
            safe_convert_custom_types = to_type->getCustomName() && from_type_custom_name->getName() == to_type->getCustomName()->getName();
        if (from_type->equals(*to_type) && safe_convert_custom_types)