ClickHouse v.21.7.7.47

setting max_memory_usage doesnt work for 'create table .. as' queries

for example:
**this query works**
`create table test_table engine MergeTree order by a as
select a_table.a, b_table.b_arr
from (select arrayJoin(range(10000)) as a) a_table
         cross join (select range(10000) as b_arr) b_table
    settings max_memory_usage = 1;`

**this query doesnt work**
`insert into test_table
select a_table.a, b_table.b_arr
from (select arrayJoin(range(10000)) as a) a_table
         cross join (select range(10000) as b_arr) b_table
    settings max_memory_usage = 1;`
With error:
`DB::Exception: Memory limit (for query) exceeded: would use 4.09 MiB`

**Expected behavior**
**this query should NOT work, and setting max_memory_usage should work for all 'select'\'insert'\'create table' queries**
`create table test_table engine MergeTree order by a as
select a_table.a, b_table.b_arr
from (select arrayJoin(range(10000)) as a) a_table
         cross join (select range(10000) as b_arr) b_table
    settings max_memory_usage = 1;`
{
    String res = query;
    
    
    if (auto * masker = SensitiveDataMasker::getInstance())
    {
        auto matches = masker->wipeSensitiveData(res);
        if (matches > 0)
        {
            ProfileEvents::increment(ProfileEvents::QueryMaskingRulesMatch, matches);
        }
    }
    res = res.substr(0, context->getSettingsRef().log_queries_cut_to_length);
    return res;
}
static void logQuery(const String & query, ContextPtr context, bool internal)