```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.)

```
subquery_for_join.setJoinActions(joined_block_actions); 
        subquery_for_join.join = makeJoin(syntax->analyzed_join, subquery_for_join.sample_block, context);
        
        if (syntax->analyzed_join->dictionary_reader)
        {
            JoinPtr join = subquery_for_join.join;
            subqueries_for_sets.erase(join_subquery_id);
            return join;
        }
    }
    return subquery_for_join.join;
}
ActionsDAGPtr SelectQueryExpressionAnalyzer::appendPrewhere(
    ExpressionActionsChain & chain, bool only_types, const Names & additional_required_columns)
{
    const auto * select_query = getSelectQuery();
    ActionsDAGPtr prewhere_actions;
    if (!select_query->prewhere())
        return prewhere_actions;
    auto & step = chain.lastStep(sourceColumns());
    getRootActions(select_query->prewhere(), only_types, step.actions());
    String prewhere_column_name = select_query->prewhere()->getColumnName();
    step.required_output.push_back(prewhere_column_name);
    step.can_remove_required_output.push_back(true);
    const auto & index = step.actions()->getIndex();
    auto it = index.find(prewhere_column_name);
    if (it == index.end())
        throw Exception(ErrorCodes::UNKNOWN_IDENTIFIER, "Unknown identifier: '{}'", prewhere_column_name);
    auto filter_type = (*it)->result_type;
    if (!filter_type->canBeUsedInBooleanContext())