Method generate

src/Processors/Transforms/CreatingSetsTransform.cpp:234–255

}

Chunk CreatingSetsTransform::generate()
{
    if (set_and_key->set && !set_from_cache)
    {
        set_and_key->set->finishInsert();
        if (promise_to_build)
        {
            promise_to_build->set_value(set_and_key->set);
            promise_to_build.reset();
        }
    }

    if (table_out.initialized())
    {
        executor->finish();
        executor.reset();
        table_out.reset();
    }

    finishSubquery();
    return {};
}

}