Package org.voltdb.plannodes

Examples of org.voltdb.plannodes.SendPlanNode

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            countNode.setOutputSchema(count_schema);
        }

        // connect the nodes to build the graph
        sumOrLimitNode.addAndLinkChild(dmlRoot);
        SendPlanNode sendNode = new SendPlanNode();
        sendNode.addAndLinkChild(sumOrLimitNode);

        return sendNode;
    }
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            }
            return null;
        }

        if (bestPlan.getReadOnly()) {
            SendPlanNode sendNode = new SendPlanNode();
            // connect the nodes to build the graph
            sendNode.addAndLinkChild(bestPlan.rootPlanGraph);
            // this plan is final, generate schema and resolve all the column index references
            bestPlan.rootPlanGraph = sendNode;
        }

        // Execute the generateOutputSchema and resolveColumnIndexes Once from the top plan node for only best plan
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    private static void fragmentize(CompiledPlan plan, ReceivePlanNode recvNode) {
        assert(recvNode.getChildCount() == 1);
        AbstractPlanNode childNode = recvNode.getChild(0);
        assert(childNode instanceof SendPlanNode);
        SendPlanNode sendNode = (SendPlanNode) childNode;

        // disconnect the send and receive nodes
        sendNode.clearParents();
        recvNode.clearChildren();

        plan.subPlanGraph = sendNode;
        return;
    }
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     * Insert a send receive pair above the supplied scanNode.
     * @param scanNode that needs to be distributed
     * @return return the newly created receive node (which is linked to the new sends)
     */
    protected static AbstractPlanNode addSendReceivePair(AbstractPlanNode scanNode) {
        SendPlanNode sendNode = new SendPlanNode();
        sendNode.addAndLinkChild(scanNode);

        ReceivePlanNode recvNode = new ReceivePlanNode();
        recvNode.addAndLinkChild(sendNode);

        return recvNode;
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Related Classes of org.voltdb.plannodes.SendPlanNode

  • edu.brown.optimizer.optimizations.AggregatePushdownOptimization
  • edu.brown.optimizer.optimizations.LimitPushdownOptimization
  • edu.brown.optimizer.optimizations.RemoveDistributedReplicatedTableJoinOptimization
  • org.voltdb.expressions.TupleValueExpression
  • org.voltdb.planner.Fragmentizer
  • org.voltdb.planner.PlanAssembler
  • org.voltdb.planner.QueryPlanner
  • org.voltdb.planner.SubPlanAssembler
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