Method getColumnNames

matlab/src/cpp/arrow/matlab/tabular/proxy/table.cc:194–215

}

void Table::getColumnNames(libmexclass::proxy::method::Context& context) {
  namespace mda = ::matlab::data;
  mda::ArrayFactory factory;
  const int num_columns = table->num_columns();

  std::vector<mda::MATLABString> column_names;
  const auto schema = table->schema();
  const auto field_names = schema->field_names();
  for (int i = 0; i < num_columns; ++i) {
    const auto column_name_utf8 = field_names[i];
    MATLAB_ASSIGN_OR_ERROR_WITH_CONTEXT(auto column_name_utf16,
                                        arrow::util::UTF8StringToUTF16(column_name_utf8),
                                        context, error::UNICODE_CONVERSION_ERROR_ID);
    const mda::MATLABString matlab_string =
        mda::MATLABString(std::move(column_name_utf16));
    column_names.push_back(matlab_string);
  }
  auto column_names_mda =
      factory.createArray({size_t{1}, static_cast<size_t>(num_columns)},
                          column_names.begin(), column_names.end());
  context.outputs[0] = column_names_mda;
}

void Table::getSchema(libmexclass::proxy::method::Context& context) {
  namespace mda = ::matlab::data;