20.10.1.4853

```sql
drop table if exists xp;
drop table if exists xp_d;

create table xp(A Date, B Int64, S String) Engine=MergeTree partition by toYYYYMM(A) order by B;
insert into xp select '2020-01-01', number , '' from numbers(100000);
insert into xp select '2020-10-01', number , '' from numbers(100000);
create table xp_d as xp Engine=Distributed(test_shard_localhost, currentDatabase(), xp);

select count() from xp_d prewhere toYYYYMM(A) global in (select toYYYYMM(min(A)) from xp_d) where B > -1;
┌─count()─┐
│       0 │     <------ expected 100000
└─────────┘

-- global in & both predicates in prewhere 
select count() from xp_d prewhere toYYYYMM(A) global in (select toYYYYMM(min(A)) from xp_d) and B > -1;
┌─count()─┐
│  100000 │
└─────────┘

-- global in & both predicates in where 
select count() from xp_d where toYYYYMM(A) global in (select toYYYYMM(min(A)) from xp_d) and B > -1;
┌─count()─┐
│  100000 │
└─────────┘

-- not global
select count() from xp_d prewhere toYYYYMM(A) in (select toYYYYMM(min(A)) from xp_d) where B > -1;
┌─count()─┐
│  100000 │
└─────────┘



select count() from xp_d prewhere toYYYYMM(A) global in (select 202001) where B > -1;
┌─count()─┐
│       0 │
└─────────┘
```

hmm, it worked in 19.13.7.57
{
    if (hasPrewhere())
    {
        const ExpressionActionsChain::Step & step = *chain.steps.at(0);
        prewhere_info->remove_prewhere_column = step.can_remove_required_output.at(0);
        Names columns_to_remove;
        for (size_t i = 1; i < step.required_output.size(); ++i)
        {
            if (step.can_remove_required_output[i])
                columns_to_remove.push_back(step.required_output[i]);
        }
        if (!columns_to_remove.empty())
        {
            auto columns = prewhere_info->prewhere_actions->getSampleBlock().getNamesAndTypesList();
            ExpressionActionsPtr actions = std::make_shared<ExpressionActions>(columns, context_);
            for (const auto & column : columns_to_remove)
                actions->add(ExpressionAction::removeColumn(column));
            prewhere_info->remove_columns_actions = std::move(actions);
        }
        columns_to_remove_after_prewhere = std::move(columns_to_remove);
    }
    else if (hasFilter())
    {
        
        filter_info->do_remove_column = chain.steps.at(0)->can_remove_required_output.at(0);
    }
    if (hasWhere())
        remove_where_filter = chain.steps.at(where_step_num)->can_remove_required_output.at(0);
}
void ExpressionAnalysisResult::removeExtraColumns() const