Github user cramja commented on a diff in the pull request:
https://github.com/apache/incubator-quickstep/pull/234#discussion_r112333371
--- Diff: relational_operators/UnionAllOperator.cpp ---
@@ -128,14 +128,56 @@ bool UnionAllOperator::getAllWorkOrders(
}
bool UnionAllOperator::getAllWorkOrderProtos(WorkOrderProtosContainer*
container) {
- // TODO(tianrun): Add protobuf for UnionAllWorkOrder to support
distributed mode.
- LOG(FATAL) << "UnionAllOperator is not supported in distributed mode
yet.";
- return true;
+ if (!stored_generated_) {
+ for (std::size_t relation_index = 0; relation_index <
input_relations_.size(); ++relation_index) {
+ if (input_relations_are_stored_[relation_index]) {
+ const std::vector<block_id> &all_blocks =
input_relations_block_ids_[relation_index];
+ const relation_id relation =
input_relations_[relation_index]->getID();
+ const std::vector<attribute_id> &attributes =
select_attribute_ids_[relation_index];
+ for (const block_id block : all_blocks) {
+ container->addWorkOrderProto(createWorkOrderProto(block,
relation, attributes), op_index_);
+ }
+ }
+ }
+ stored_generated_ = true;
+ }
+
+ for (std::size_t relation_index = 0; relation_index <
input_relations_.size(); ++relation_index) {
+ if (!input_relations_are_stored_[relation_index]) {
+ const std::vector<block_id> &all_blocks =
input_relations_block_ids_[relation_index];
+ std::size_t num_generated =
num_workorders_generated_[relation_index];
+ const relation_id relation =
input_relations_[relation_index]->getID();
+ const std::vector<attribute_id> &attributes =
select_attribute_ids_[relation_index];
+ while (num_generated < all_blocks.size()) {
+
container->addWorkOrderProto(createWorkOrderProto(all_blocks[num_generated],
relation, attributes), op_index_);
+ ++num_generated;
+ }
+ num_workorders_generated_[relation_index] = num_generated;
+ }
+ }
+ return stored_generated_ && done_feeding_input_relation_;
--- End diff --
Is `stored_generated_ && ...` redundant, as it will always be true here?
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