Function createVectorHashers

bolt/exec/VectorHasher.cpp:881–894

}

std::vector<std::unique_ptr<VectorHasher>> createVectorHashers(
    const RowTypePtr& rowType,
    const std::vector<core::FieldAccessTypedExprPtr>& keys) {
  const auto numKeys = keys.size();

  std::vector<std::unique_ptr<VectorHasher>> hashers;
  hashers.reserve(numKeys);
  for (const auto& key : keys) {
    const auto channel = exprToChannel(key.get(), rowType);
    hashers.push_back(VectorHasher::create(key->type(), channel));
  }

  return hashers;
}

} // namespace bytedance::bolt::exec