Examples with LogicalQueryPlan com.alibaba.maxgraph.compiler.logical.LogicalQueryPlan used on opensource projects

Example 11 with LogicalQueryPlan

use of com.alibaba.maxgraph.compiler.logical.LogicalQueryPlan in project GraphScope by alibaba.

the class TreeNodeUtils method buildSubQueryWithLabel.

/**
 * Build sub query plan, and save the result of sub plan to given label id
 *
 * @param treeNode The given tree node
 * @param sourceVertex The given source vertex
 * @param contextManager The given context manager
 * @return The result query plan and label id
 */
public static Pair<LogicalQueryPlan, Integer> buildSubQueryWithLabel(TreeNode treeNode, LogicalVertex sourceVertex, ContextManager contextManager) {
    boolean joinFlag = checkJoinSourceFlag(treeNode);
    List<TreeNode> treeNodeList = buildTreeNodeListFromLeaf(treeNode);
    LogicalQueryPlan queryPlan = new LogicalQueryPlan(contextManager);
    LogicalVertex originalVertex = null;
    LogicalVertex currentSourceVertex = sourceVertex;
    for (TreeNode currentNode : treeNodeList) {
        if (currentNode instanceof SourceDelegateNode) {
            queryPlan.addLogicalVertex(sourceVertex);
            if (joinFlag) {
                LogicalVertex enterKeyVertex = new LogicalUnaryVertex(contextManager.getVertexIdManager().getId(), new ProcessorFunction(QueryFlowOuterClass.OperatorType.ENTER_KEY, Message.Value.newBuilder().setPayload(QueryFlowOuterClass.EnterKeyArgumentProto.newBuilder().setEnterKeyType(QueryFlowOuterClass.EnterKeyTypeProto.KEY_SELF).setUniqFlag(true).build().toByteString())), false, currentSourceVertex);
                currentNode.setFinishVertex(enterKeyVertex, contextManager.getTreeNodeLabelManager());
                queryPlan.addLogicalVertex(enterKeyVertex);
                queryPlan.addLogicalEdge(sourceVertex, enterKeyVertex, new LogicalEdge());
                currentSourceVertex = enterKeyVertex;
                originalVertex = enterKeyVertex;
            } else {
                currentNode.setFinishVertex(sourceVertex, contextManager.getTreeNodeLabelManager());
                originalVertex = sourceVertex;
            }
        } else {
            queryPlan.mergeLogicalQueryPlan(currentNode.buildLogicalQueryPlan(contextManager));
        }
    }
    checkNotNull(originalVertex, "original vertex can't be null");
    LogicalVertex valueVertex = queryPlan.getOutputVertex();
    String valueLabel = contextManager.getTreeNodeLabelManager().createSysLabelStart("val");
    int valueLabelId = contextManager.getTreeNodeLabelManager().getLabelIndex(valueLabel);
    if (joinFlag) {
        LogicalVertex joinVertex;
        if (treeNode instanceof CountGlobalTreeNode || treeNode instanceof SumTreeNode) {
            joinVertex = new LogicalBinaryVertex(contextManager.getVertexIdManager().getId(), new ProcessorFunction(QueryFlowOuterClass.OperatorType.JOIN_COUNT_LABEL, Message.Value.newBuilder().setIntValue(valueLabelId)), false, originalVertex, valueVertex);
        } else {
            joinVertex = new LogicalBinaryVertex(contextManager.getVertexIdManager().getId(), new ProcessorFunction(QueryFlowOuterClass.OperatorType.JOIN_LABEL, Message.Value.newBuilder().setIntValue(valueLabelId)), false, originalVertex, valueVertex);
        }
        queryPlan.addLogicalVertex(joinVertex);
        queryPlan.addLogicalEdge(originalVertex, joinVertex, LogicalEdge.shuffleByKey(0));
        queryPlan.addLogicalEdge(valueVertex, joinVertex, LogicalEdge.forwardEdge());
    } else {
        LogicalVertex originalOutputVertex = queryPlan.getTargetVertex(originalVertex);
        String originalLabel = contextManager.getTreeNodeLabelManager().createBeforeSysLabelStart(originalOutputVertex, "original");
        ProcessorFunction selectFunction = createSelectOneFunction(originalLabel, Pop.first, contextManager.getTreeNodeLabelManager().getLabelIndexList());
        LogicalVertex selectVertex = new LogicalUnaryVertex(contextManager.getVertexIdManager().getId(), selectFunction, valueVertex);
        selectVertex.getBeforeRequirementList().add(QueryFlowOuterClass.RequirementValue.newBuilder().setReqType(QueryFlowOuterClass.RequirementType.LABEL_START).setReqArgument(Message.Value.newBuilder().addIntValueList(valueLabelId)));
        queryPlan.addLogicalVertex(selectVertex);
        queryPlan.addLogicalEdge(valueVertex, selectVertex, LogicalEdge.forwardEdge());
    }
    return Pair.of(queryPlan, valueLabelId);
}