message: Default to regular scan if parallel is not defined
diff: @@ -69,8 +69,14 @@ void PhysicalTableScan::GetChunkInternal(ExecutionContext &context, DataChunk &c
  } else {
  // parallel scan
  do {
  + if (function.parallel_function){
  function.parallel_function(context.client, bind_data.get(), state.operator_data.get(), nullptr, chunk,
  state.parallel_state);
  + }
  + else{
  + function.function(context.client, bind_data.get(), state.operator_data.get(), nullptr, chunk);
  + }
  +
  if (chunk.size() == 0) {
  D_ASSERT(function.parallel_state_next);
  if (function.parallel_state_next(context.client, bind_data.get(), state.operator_data.get(),
  