```
CREATE TABLE t (x UInt8, PROJECTION p (SELECT x GROUP BY x)) ENGINE = MergeTree ORDER BY ();
INSERT INTO t VALUES (0);

SET group_by_overflow_mode = 'any', max_rows_to_group_by = 1000, totals_mode = 'after_having_auto';
SELECT x FROM t GROUP BY x WITH TOTALS;
```
}
            }
            return false;
        });
    if (parts.empty())
    {
        String no_parts_to_move_message;
        if (moving_part)
            no_parts_to_move_message = "Part '" + partition_id + "' is already on volume '" + volume->getName() + "'";
        else
            no_parts_to_move_message = "All parts of partition '" + partition_id + "' are already on volume '" + volume->getName() + "'";
        throw Exception(no_parts_to_move_message, ErrorCodes::UNKNOWN_DISK);
    }
    if (!movePartsToSpace(parts, std::static_pointer_cast<Space>(volume)))
        throw Exception("Cannot move parts because moves are manually disabled", ErrorCodes::ABORTED);
}
void MergeTreeData::movePartitionToShard(const ASTPtr & , bool , const String & , ContextPtr )
{
    throw Exception(ErrorCodes::NOT_IMPLEMENTED, "MOVE PARTITION TO SHARD is not supported by storage {}", getName());
}
void MergeTreeData::fetchPartition(
    const ASTPtr & ,
    const StorageMetadataPtr & ,
    const String & ,
    bool ,
    ContextPtr )
{
    throw Exception(ErrorCodes::NOT_IMPLEMENTED, "FETCH PARTITION is not supported by storage {}", getName());
}
Pipe MergeTreeData::alterPartition(