**How to reproduce**
Clickhouse server 20.13.1.5273
```
CREATE TABLE default.test
(
`key` UInt32,
`ts` DateTime CODEC(DoubleDelta, LZ4),
`db_time` DateTime DEFAULT now() COMMENT 'spout-ignore' CODEC(DoubleDelta, LZ4)
)
ENGINE = MergeTree
PARTITION BY toStartOfTenMinutes(db_time)
ORDER BY (key, ts)
TTL db_time + toIntervalHour(3)
SETTINGS index_granularity = 8192, merge_with_ttl_timeout = 3600, min_rows_for_compact_part = 1000000, min_bytes_for_compact_part = 200000000, in_memory_parts_enable_wal = 0;


INSERT INTO test(key, ts) SELECT number % 1000, now() + intDiv(number,1000) FROM numbers(500);

SELECT * FROM test;
500 rows in set. Elapsed: 0.003 sec.

DETACH TABLE test;

ATTACH TABLE test;

SELECT * FROM test;

0 rows in set. Elapsed: 0.002 sec.
```

**Expected behavior**
Clickhouse would flush parts on disk.
}
        }
        return match;
    };
    auto virtual_block = getSampleBlockWithVirtualColumns();
    auto add_projection_candidate = [&](const ProjectionDescription & projection)
    {
        ProjectionCandidate candidate{};
        candidate.desc = &projection;
        auto sample_block = projection.sample_block;
        auto sample_block_for_keys = projection.sample_block_for_keys;
        for (const auto & column : virtual_block)
        {
            sample_block.insertUnique(column);
            sample_block_for_keys.insertUnique(column);
        }
        if (projection.type == ProjectionDescription::Type::Aggregate && analysis_result.need_aggregate && can_use_aggregate_projection)
        {
            bool match = true;
            Block aggregates;
            /
            for (const auto & aggregate : select.getQueryAnalyzer()->aggregates())
            {
                const auto * column = sample_block.findByName(aggregate.column_name);
                if (column)
                {
                    aggregates.insert(*column);
                }
                else
                {