Method evaluate

src/query/equal_query.cc:86–105

Evaluate query, and collection feedback

//! Evaluate query, and collection feedback
int EqualQuery::evaluate() {
  TaskPtrList tasks(tasks_.begin(), tasks_.end());
  int code = executor()->execute_tasks(tasks);
  if (code == 0) {
    // one result or nothing
    for (auto &task : tasks_) {
      if (task->hit()) {  // Pick first hit document, drop others
        proto::Document *doc = response_->mutable_document();
        doc->set_primary_key(primary_key());
        code = fill_forward(task->forward(), doc);
        if (code != 0) {
          LOG_WARN("Fill forward failed. code[%d] what[%s]", code,
                   ErrorCode::What(code));
        }
        break;
      }
    }
  }
  return code;
}

int EqualQuery::finalize() {
  return 0;