Henri Gough created ARROW-6817:
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Summary: dynamic_cast fails on Mac C++
Key: ARROW-6817
URL: https://issues.apache.org/jira/browse/ARROW-6817
Project: Apache Arrow
Issue Type: Bug
Components: C++
Affects Versions: 0.15.0
Environment: OSX Clang9 Conda pyarrow package 0.15, also tried with
14, 14.1.
Reporter: Henri Gough
this dynamic_cast fails for me on Mac using Clang9. Was originally trying to
use TupleFromTable stl function.
{code:java}
using namespace arrow;
std::shared_ptr<Array> arrptr;
{
auto builder = Int64Builder();
auto st = builder.AppendValues(std::vector<std::int64_t>{1, 2, 3, 45});
auto fst = builder.Finish(&arrptr);
}
std::cout << std::is_polymorphic<FlatArray>::value << std::endl;
std::cout << std::is_polymorphic<Int64Array>::value << std::endl;
std::cout << std::is_base_of<Array, FlatArray>::value << std::endl;
std::cout << std::is_base_of<FlatArray, Int64Array>::value << std::endl;
const auto& iarr = static_cast<const Int64Array&>(*arrptr);
{code}
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