```sql
drop table if exists src;

create table src( A Int64, B String, C String) Engine=MergeTree order by A
SETTINGS min_bytes_for_wide_part=0;
insert into src values(1, 'one', 'test');

alter table src detach partition tuple();

alter table src modify column B Nullable(String);

alter table src attach partition tuple();
select * from src;
┌─A─┬─B───┬─C────┐
│ 1 │ one │ test │
└───┴─────┴──────┘

alter table src update C = 'test1' where 1 settings mutations_sync=2;

select * from src;
┌─A─┬─B────┬─C─────┐
│ 1 │ ᴺᵁᴸᴸ │ test1 │   -- expected B='one'
└───┴──────┴───────┘
```

```sql
drop table if exists src;
create table src( A String, B String, C String) Engine=MergeTree order by A
SETTINGS min_bytes_for_wide_part=0;
insert into src values('one', 'one', 'test');

alter table src detach partition tuple();

alter table src modify column A LowCardinality(String);

alter table src attach partition tuple();

select * from src;
┌─A───┬─B───┬─C────┐
│ one │ one │ test │
└─────┴─────┴──────┘

alter table src update C = 'test1' where 1 settings mutations_sync=2;

select * from src;

Received exception from server (version 22.9.1):
Code: 49. DB::Exception: Received from localhost:9000. DB::Exception: 
Got empty stream for SerializationLowCardinality keys.: (while reading column A): 
(while reading from part /var/lib/clickhouse/store/11b/11b74812-48b9-4c1f-9bdc-3e7a28137a9e/all_3_3_0_4/ from mark 0 with max_rows_to_read = 1): 
While executing MergeTreeInOrder. (LOGICAL_ERROR)

```

```sql
drop table if exists src;
create table src( A String, B String, C String) Engine=MergeTree order by A
SETTINGS min_bytes_for_wide_part=0;
insert into src values('one', 'one', 'test');

alter table src detach partition tuple();

alter table src modify column A LowCardinality(String);

alter table src attach partition tuple();

select * from src;
┌─A───┬─B───┬─C────┐
│ one │ one │ test │
└─────┴─────┴──────┘

alter table src modify column C LowCardinality(String);

select * from src;

Received exception from server (version 22.9.3):
Code: 49. DB::Exception: Received from localhost:9000. 
DB::Exception: Got empty stream for SerializationLowCardinality keys.: 
```

related https://github.com/ClickHouse/ClickHouse/issues/42083 , https://github.com/ClickHouse/ClickHouse/issues/42074
(basically it's the same one issue, but I opened this one, because I think the root issue is in `alter update`.

it seems `alter update` updates columns.txt for all columns even if they are not participated in the `alter update`.
for (const auto & name_type : ctx->updated_header.getNamesAndTypesList())
            ctx->updated_columns.emplace(name_type.name);
        ctx->indices_to_recalc = MutationHelpers::getIndicesToRecalculate(
            ctx->mutating_pipeline_builder, ctx->updated_columns, ctx->metadata_snapshot, ctx->context, ctx->materialized_indices, ctx->source_part);
        ctx->projections_to_recalc = MutationHelpers::getProjectionsToRecalculate(
            ctx->updated_columns, ctx->metadata_snapshot, ctx->materialized_projections, ctx->source_part);
        ctx->files_to_skip = MutationHelpers::collectFilesToSkip(
            ctx->source_part,
            ctx->new_data_part,
            ctx->updated_header,
            ctx->indices_to_recalc,
            ctx->mrk_extension,
            ctx->projections_to_recalc);
        ctx->files_to_rename = MutationHelpers::collectFilesForRenames(
            ctx->source_part,
            ctx->new_data_part,
            ctx->for_file_renames,
            ctx->mrk_extension);
        if (ctx->indices_to_recalc.empty() &&
            ctx->projections_to_recalc.empty() &&
            ctx->mutation_kind != MutationsInterpreter::MutationKind::MUTATE_OTHER
            && ctx->files_to_rename.empty())
        {
            LOG_TRACE(ctx->log, "Part {} doesn't change up to mutation version {} (optimized)", ctx->source_part->name, ctx->future_part->part_info.mutation);
            
            ctx->temporary_directory_lock = {};