```
CREATE TABLE t (x UInt8, PROJECTION p (SELECT x GROUP BY x)) ENGINE = MergeTree ORDER BY ();
INSERT INTO t VALUES (0);

SET group_by_overflow_mode = 'any', max_rows_to_group_by = 1000, totals_mode = 'after_having_auto';
SELECT x FROM t GROUP BY x WITH TOTALS;
```
const String & with_name,
    const StorageMetadataPtr & metadata_snapshot,
    ContextPtr local_context,
    TableLockHolder &)
{
    return freezePartitionsByMatcher([] (const String &) { return true; }, metadata_snapshot, with_name, local_context);
}
PartitionCommandsResultInfo MergeTreeData::freezePartitionsByMatcher(
    MatcherFn matcher,
    const StorageMetadataPtr & metadata_snapshot,
    const String & with_name,
    ContextPtr local_context)
{
    String clickhouse_path = fs::canonical(local_context->getPath());
    String default_shadow_path = fs::path(clickhouse_path) / "shadow/";
    fs::create_directories(default_shadow_path);
    auto increment = Increment(fs::path(default_shadow_path) / "increment.txt").get(true);
    const String shadow_path = "shadow/";
    
    const auto data_parts = getVisibleDataPartsVector(local_context);
    String backup_name = (!with_name.empty() ? escapeForFileName(with_name) : toString(increment));
    String backup_path = fs::path(shadow_path) / backup_name / "";
    for (const auto & disk : getStoragePolicy()->getDisks())
        disk->onFreeze(backup_path);
    PartitionCommandsResultInfo result;
    size_t parts_processed = 0;
    for (const auto & part : data_parts)
    {
        if (!matcher(part->info.partition_id))