void ColumnTuple::getExtremes(Field & min, Field & max) const
{
const size_t tuple_size = columns.size();
min = Tuple(TupleBackend(tuple_size));
max = Tuple(TupleBackend(tuple_size));
auto & min_backend = min.get<Tuple &>().t;
auto & max_backend = max.get<Tuple &>().t;
for (const auto i : ext::range(0, tuple_size))
columns[i]->getExtremes(min_backend[i], max_backend[i]);
}
void DataTypeTuple::deserializeBinary(Field & field, ReadBuffer & istr) const
{
const size_t size = elems.size();
field = Tuple(TupleBackend(size));
TupleBackend & tuple = get<Tuple &>(field).t;
for (const auto i : ext::range(0, size))
elems[i]->deserializeBinary(tuple[i], istr);
}
void ColumnTuple::get(size_t n, Field & res) const
{
const size_t tuple_size = columns.size();
res = Tuple(TupleBackend(tuple_size));
TupleBackend & res_arr = DB::get<Tuple &>(res).t;
for (const auto i : ext::range(0, tuple_size))
columns[i]->get(n, res_arr[i]);
}
Field convertNodeToField(capnp::DynamicValue::Reader value)
{
switch (value.getType())
{
case capnp::DynamicValue::UNKNOWN:
throw Exception("Unknown field type", ErrorCodes::BAD_TYPE_OF_FIELD);
case capnp::DynamicValue::VOID:
return Field();
case capnp::DynamicValue::BOOL:
return value.as<bool>() ? 1u : 0u;
case capnp::DynamicValue::INT:
return value.as<int64_t>();
case capnp::DynamicValue::UINT:
return value.as<uint64_t>();
case capnp::DynamicValue::FLOAT:
return value.as<double>();
case capnp::DynamicValue::TEXT:
{
auto arr = value.as<capnp::Text>();
return String(arr.begin(), arr.size());
}
case capnp::DynamicValue::DATA:
{
auto arr = value.as<capnp::Data>().asChars();
return String(arr.begin(), arr.size());
}
case capnp::DynamicValue::LIST:
{
auto listValue = value.as<capnp::DynamicList>();
Array res(listValue.size());
for (auto i : kj::indices(listValue))
res[i] = convertNodeToField(listValue[i]);
return res;
}
case capnp::DynamicValue::ENUM:
return value.as<capnp::DynamicEnum>().getRaw();
case capnp::DynamicValue::STRUCT:
{
auto structValue = value.as<capnp::DynamicStruct>();
const auto & fields = structValue.getSchema().getFields();
Field field = Tuple(TupleBackend(fields.size()));
TupleBackend & tuple = get<Tuple &>(field).toUnderType();
for (auto i : kj::indices(fields))
tuple[i] = convertNodeToField(structValue.get(fields[i]));
return field;
}
case capnp::DynamicValue::CAPABILITY:
throw Exception("CAPABILITY type not supported", ErrorCodes::BAD_TYPE_OF_FIELD);
case capnp::DynamicValue::ANY_POINTER:
throw Exception("ANY_POINTER type not supported", ErrorCodes::BAD_TYPE_OF_FIELD);
}
return Field();
}
