```
$ ls -lR

.:
total 1645932
-rwxrwxr-x 1 milovidov milovidov 1685419984 июл  4 00:33 clickhouse
drwxrwxr-x 2 milovidov milovidov       4096 июл  4 00:36 lib
drwxrwxr-x 2 milovidov milovidov       4096 июл  4 00:36 lib64

./lib:
total 3536
-rwxr-xr-x 1 milovidov milovidov 2025032 июл  4 00:36 libc.so.6
-rw-r--r-- 1 milovidov milovidov   18816 июл  4 00:36 libdl.so.2
-rw-r--r-- 1 milovidov milovidov 1369352 июл  4 00:36 libm.so.6
-rwxr-xr-x 1 milovidov milovidov  158288 июл  4 00:36 libpthread.so.0
-rw-r--r-- 1 milovidov milovidov   40040 июл  4 00:36 librt.so.1

./lib64:
total 184
-rwxr-xr-x 1 milovidov milovidov 187376 июл  4 00:36 ld-linux-x86-64.so.2


$ sudo chroot . /clickhouse local --query "SELECT 1"
filesystem error: in temp_directory_path: path "/tmp" is not a directory: Not a directory
```
{
    assert(global_context != this || getApplicationType() == ApplicationType::LOCAL);
    auto lock = getLock();
    if (external_tables_mapping.end() != external_tables_mapping.find(table_name))
        throw Exception("Temporary table " + backQuoteIfNeed(table_name) + " already exists.", ErrorCodes::TABLE_ALREADY_EXISTS);
    external_tables_mapping.emplace(table_name, std::make_shared<TemporaryTableHolder>(std::move(temporary_table)));
}
std::shared_ptr<TemporaryTableHolder> Context::removeExternalTable(const String & table_name)
{
    assert(global_context != this || getApplicationType() == ApplicationType::LOCAL);
    std::shared_ptr<TemporaryTableHolder> holder;
    {
        auto lock = getLock();
        auto iter = external_tables_mapping.find(table_name);
        if (iter == external_tables_mapping.end())
            return {};
        holder = iter->second;
        external_tables_mapping.erase(iter);
    }
    return holder;
}
void Context::addScalar(const String & name, const Block & block)
{
    assert(global_context != this || getApplicationType() == ApplicationType::LOCAL);
    scalars[name] = block;
}
bool Context::hasScalar(const String & name) const