```sql

drop table if exists t ;
drop table if exists temp ;

CREATE TABLE t
(
    game String,
    round String,
    casino Int32)
ENGINE = MergeTree() ORDER BY (casino, game, round);

CREATE TABLE temp
(
    game String,
    round String,
    casino Int32)
ENGINE = MergeTree() ORDER BY (casino, game, round);

insert into t(casino, game, round)
select number%103, toString(cityHash64(number%999)), toString(number) from numbers(3, 50000000);

insert into temp(casino, game, round)
select number%103, toString(cityHash64(number%999)), toString(number) from numbers(5000);

Q1: SELECT count(*)
FROM temp WHERE (casino, game, round) NOT IN
(     SELECT  casino, game, round
    FROM t
    WHERE (casino, game, round) IN
    (
        SELECT casino, game, round
        FROM temp
    )
)

21.3.1.5944  Elapsed: 4.464 sec. Processed 5.00 thousand rows, 225.89 KB (1.12 thousand rows/s., 50.60 KB/s.)

20.8.11.17    Elapsed: 0.611 sec. Processed 5.00 thousand rows, 225.89 KB (8.18 thousand rows/s., 369.73 KB/s.)

18.14.19.    Elapsed: 0.341 sec. Processed 5.00 thousand rows, 225.89 KB (14.66 thousand rows/s., 662.46 KB/s.)

```
{
    const auto * select_query = getSelectQuery();
    if (!select_query->limitBy())
        return false;
    ExpressionActionsChain::Step & step = chain.lastStep(aggregated_columns);
    getRootActions(select_query->limitBy(), only_types, step.actions());
    NameSet aggregated_names;
    for (const auto & column : aggregated_columns)
    {
        step.required_output.push_back(column.name);
        aggregated_names.insert(column.name);
    }
    for (const auto & child : select_query->limitBy()->children)
    {
        auto child_name = child->getColumnName();
        if (!aggregated_names.count(child_name))
            step.required_output.push_back(std::move(child_name));
    }
    return true;
}
ActionsDAGPtr SelectQueryExpressionAnalyzer::appendProjectResult(ExpressionActionsChain & chain) const