The only columns that show what they are supposed to are `database`, `table`, `name` and `disk`.
The other columns borrow values from a neighbour.
```
┌─table────────┬─partition_id─┬─name────────────────────────────────┬─disk────┬─reason─┬─min_block_number─┬─max_block_number─┬───level─┐
│ actions_log  │ ignored      │ ignored_202107_714380_714380_0      │ default │        │           202107 │           714380 │  714380 │
│ actions_log  │ ignored      │ ignored_202107_713838_713838_0      │ default │        │           202107 │           713838 │  713838 │
│ actions_log  │ ignored      │ ignored_202107_713875_713875_0      │ default │        │           202107 │           713875 │  713875 │
│ actions_log  │ ignored      │ ignored_202107_725839_725839_0      │ default │        │           202107 │           725839 │  725839 │
│ actions_log  │ ignored      │ ignored_202107_713927_713927_0      │ default │        │           202107 │           713927 │  713927 │
│ actions_log  │ ignored      │ ignored_202107_714009_714009_0      │ default │        │           202107 │           714009 │  714009 │
```
{
    const auto & storage_columns = metadata_snapshot->getColumns().getAllPhysical();
    MergeTreeData::AlterConversions alter_conversions;
    if (!parent_part)
        alter_conversions = storage.getAlterConversionsForPart(shared_from_this());
    std::optional<std::string> minimum_size_column;
    UInt64 minimum_size = std::numeric_limits<UInt64>::max();
    for (const auto & column : storage_columns)
    {
        auto column_name = column.name;
        auto column_type = column.type;
        if (alter_conversions.isColumnRenamed(column.name))
            column_name = alter_conversions.getColumnOldName(column.name);
        if (!hasColumnFiles(column))
            continue;
        const auto size = getColumnSize(column_name, *column_type).data_compressed;
        if (size < minimum_size)
        {
            minimum_size = size;
            minimum_size_column = column_name;
        }
    }
    if (!minimum_size_column)
        throw Exception("Could not find a column of minimum size in MergeTree, part " + getFullPath(), ErrorCodes::LOGICAL_ERROR);
    return *minimum_size_column;
}
String IMergeTreeDataPart::getFullPath() const