```
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;
```
continue;
                }
                
                if (minmax_count_projection && dynamic_cast<const AggregateFunctionCount *>(aggregate.function.get()))
                {
                    const auto * count_column = sample_block.findByName("count()");
                    if (!count_column)
                        throw Exception(
                            ErrorCodes::LOGICAL_ERROR, "`count()` column is missing when minmax_count_projection == true. It is a bug");
                    aggregates.insert({count_column->column, count_column->type, aggregate.column_name});
                    continue;
                }
                
                return;
            }
            
            
            
            
            candidate.before_aggregation = analysis_result.before_aggregation->clone();
            auto required_columns = candidate.before_aggregation->foldActionsByProjection(keys, sample_block_for_keys);
            
            if (required_columns.empty() && (!keys.empty() && !candidate.before_aggregation->getRequiredColumns().empty()))
                return;
            if (analysis_result.optimize_aggregation_in_order)
                attach_aggregation_in_order_info();
            
            candidate.before_aggregation->reorderAggregationKeysForProjection(key_name_pos_map);
            candidate.before_aggregation->addAggregatesViaProjection(aggregates);
            if (rewrite_before_where(candidate, projection, required_columns, sample_block_for_keys, aggregates))