void QueryManagerBase::markOperatorFinished(const dag_node_index index) {
  query_exec_state_->setExecutionFinished(index);

  for (const dag_node_index dependent_op_index : blocking_dependents_[index]) {
    blocking_dependencies_[dependent_op_index].erase(index);
  }

  for (const dag_node_index dependent_op_index : output_consumers_[index]) {
    non_blocking_dependencies_[dependent_op_index].erase(index);
  }

  RelationalOperator *op = query_dag_->getNodePayloadMutable(index);
  op->updateCatalogOnCompletion();

  const relation_id output_rel = op->getOutputRelationID();

  for (const pair<dag_node_index, bool> &dependent_link : query_dag_->getDependents(index)) {
    const dag_node_index dependent_op_index = dependent_link.first;
    if (output_rel >= 0) {
      // Signal dependent operator that current operator is done feeding input blocks.
      query_dag_->getNodePayloadMutable(dependent_op_index)->doneFeedingInputBlocks(output_rel);
    }

    if (checkAllBlockingDependenciesMet(dependent_op_index)) {
      // Process the dependent operator (of the operator whose WorkOrder
      // was just executed) for which all the dependencies have been met.
      if (!fetchNormalWorkOrders(dependent_op_index) &&
          non_blocking_dependencies_[dependent_op_index].empty() &&
          checkNormalExecutionOver(dependent_op_index) &&
          (!checkRebuildRequired(dependent_op_index) || initiateRebuild(dependent_op_index))) {
        markOperatorFinished(dependent_op_index);
      }
    }
  }
}
Exemple #2
0
void QueryManager::markOperatorFinished(const dag_node_index index) {
  query_exec_state_->setExecutionFinished(index);

  RelationalOperator *op = query_dag_->getNodePayloadMutable(index);
  op->updateCatalogOnCompletion();

  const relation_id output_rel = op->getOutputRelationID();
  for (const pair<dag_node_index, bool> &dependent_link : query_dag_->getDependents(index)) {
    const dag_node_index dependent_op_index = dependent_link.first;
    RelationalOperator *dependent_op = query_dag_->getNodePayloadMutable(dependent_op_index);
    // Signal dependent operator that current operator is done feeding input blocks.
    if (output_rel >= 0) {
      dependent_op->doneFeedingInputBlocks(output_rel);
    }
    if (checkAllBlockingDependenciesMet(dependent_op_index)) {
      dependent_op->informAllBlockingDependenciesMet();
    }
  }
}