```
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;
```
added_filter_nodes.nodes.push_back(&before_where->findInOutputs(where_column_name));
    bool can_use_aggregate_projection = true;
    
    
    if (analysis_result.join != nullptr || analysis_result.array_join != nullptr)
        can_use_aggregate_projection = false;
    
    
    
    
    
    
    
    
    std::vector<ProjectionCandidate> candidates;
    NameSet keys;
    std::unordered_map<std::string_view, size_t> key_name_pos_map;
    size_t pos = 0;
    for (const auto & desc : select.getQueryAnalyzer()->aggregationKeys())
    {
        keys.insert(desc.name);
        key_name_pos_map.insert({desc.name, pos++});
    }
    auto actions_settings = ExpressionActionsSettings::fromSettings(settings, CompileExpressions::yes);
    
    
    
    auto rewrite_before_where =
        [&](ProjectionCandidate & candidate, const ProjectionDescription & projection,
            NameSet & required_columns, const Block & source_block, const Block & aggregates)