```
/4/ :) SELECT arrayJoin([1, 2])  GROUP BY 1 WITH TOTALS FORMAT JSON

{
	"meta":
	[
		{
			"name": "arrayJoin([1, 2])",
			"type": "UInt8"
		}
	],

	"data":
	[
		{
			"arrayJoin([1, 2])": 1
		},
		{
			"arrayJoin([1, 2])": 2
		}← Progress: 0.00 rows, 0.00 B (0.00 rows/s., 0.00 B/s.) Logical error: 'Got 2 in totals chunk, expected 1'.
clickhouse-client: /home/akuzm/ch4/ch/src/Common/Exception.cpp:45: DB::Exception::Exception(const std::string &, int): Assertion `false' failed.
Aborted (core dumped)
```


}
        if (const_filter_description.always_false)
        {
            if (totals_mode == TotalsMode::BEFORE_HAVING)
                addToTotals(chunk, nullptr);
            chunk.clear();
            return;
        }
        FilterDescription filter_description(*filter_column_ptr);
        
        if (totals_mode == TotalsMode::BEFORE_HAVING)
            addToTotals(chunk, nullptr);
        else
            addToTotals(chunk, filter_description.data);
        
        for (auto & column : columns)
        {
            column = column->filter(*filter_description.data, -1);
            if (column->empty())
            {
                chunk.clear();
                return;
            }
        }
        auto num_rows = columns.front()->size();
        chunk.setColumns(std::move(columns), num_rows);
    }
    passed_keys += chunk.getNumRows();
}
void TotalsHavingTransform::addToTotals(const Chunk & chunk, const IColumn::Filter * filter)