Function AddCountDistinctKernel

cpp/src/arrow/compute/kernels/aggregate_basic.cc:233–236

template <typename Type, typename VisitorArgType = typename Type::c_type>
void AddCountDistinctKernel(InputType type, ScalarAggregateFunction* func) {
  AddAggKernel(KernelSignature::Make({type}, int64()),
               CountDistinctInit<Type, VisitorArgType>, func);
}

void AddCountDistinctKernels(ScalarAggregateFunction* func) {
  // Boolean