Examples with EdgeValueType com.alibaba.maxgraph.compiler.tree.value.EdgeValueType used on opensource projects

Example 1 with EdgeValueType

use of com.alibaba.maxgraph.compiler.tree.value.EdgeValueType in project GraphScope by alibaba.

the class TreeManager method validOrderResult.

/**
 * Add order node to reorder result
 */
private void validOrderResult() {
    TreeNode currentTreeNode = treeLeaf;
    TreeNode orderTreeNode = null;
    while (!(currentTreeNode instanceof SourceTreeNode)) {
        if (currentTreeNode instanceof OrderGlobalTreeNode) {
            orderTreeNode = currentTreeNode;
            break;
        } else {
            currentTreeNode = UnaryTreeNode.class.cast(currentTreeNode).getInputNode();
        }
    }
    if (null != orderTreeNode) {
        OrderGlobalTreeNode orderGlobalTreeNode = OrderGlobalTreeNode.class.cast(orderTreeNode);
        TreeNode aggTreeNode = orderTreeNode.getOutputNode();
        while (aggTreeNode != null && aggTreeNode.getNodeType() != NodeType.AGGREGATE) {
            aggTreeNode = aggTreeNode.getOutputNode();
        }
        if (null != aggTreeNode) {
            if (aggTreeNode instanceof FoldTreeNode) {
                TreeNode inputTreeNode = UnaryTreeNode.class.cast(aggTreeNode).getInputNode();
                if (inputTreeNode == orderTreeNode) {
                    return;
                }
                UnaryTreeNode inputUnaryTreeNode = UnaryTreeNode.class.cast(inputTreeNode);
                if (inputUnaryTreeNode.getInputNode() == orderTreeNode && (inputUnaryTreeNode instanceof EdgeVertexTreeNode && EdgeVertexTreeNode.class.cast(inputUnaryTreeNode).getDirection() != Direction.BOTH)) {
                    return;
                }
                String orderLabel = orderGlobalTreeNode.enableOrderFlag(labelManager);
                SelectOneTreeNode selectOneTreeNode = new SelectOneTreeNode(new SourceDelegateNode(inputUnaryTreeNode, schema), orderLabel, Pop.last, Lists.newArrayList(), schema);
                selectOneTreeNode.setConstantValueType(new ValueValueType(Message.VariantType.VT_INT));
                OrderGlobalTreeNode addOrderTreeNode = new OrderGlobalTreeNode(inputUnaryTreeNode, schema, Lists.newArrayList(Pair.of(selectOneTreeNode, Order.asc)));
                UnaryTreeNode.class.cast(aggTreeNode).setInputNode(addOrderTreeNode);
            }
        } else {
            if (treeLeaf instanceof OrderGlobalTreeNode) {
                return;
            }
            TreeNode currTreeNode = orderTreeNode.getOutputNode();
            boolean hasSimpleShuffle = false;
            while (currTreeNode != null) {
                if (currTreeNode.getNodeType() == NodeType.FLATMAP || (currTreeNode instanceof PropertyNode && !(UnaryTreeNode.class.cast(currTreeNode).getInputNode().getOutputValueType() instanceof EdgeValueType))) {
                    hasSimpleShuffle = true;
                    break;
                }
                currTreeNode = currTreeNode.getOutputNode();
            }
            if (!hasSimpleShuffle) {
                return;
            }
            UnaryTreeNode outputTreeNode = UnaryTreeNode.class.cast(treeLeaf);
            if (outputTreeNode.getInputNode() == orderTreeNode) {
                if (outputTreeNode instanceof EdgeVertexTreeNode && EdgeVertexTreeNode.class.cast(outputTreeNode).getDirection() != Direction.BOTH) {
                    return;
                }
                if (orderTreeNode.getOutputValueType() instanceof EdgeValueType && outputTreeNode instanceof PropertyNode) {
                    return;
                }
            }
            String orderLabel = orderGlobalTreeNode.enableOrderFlag(labelManager);
            SelectOneTreeNode selectOneTreeNode = new SelectOneTreeNode(new SourceDelegateNode(treeLeaf, schema), orderLabel, Pop.last, Lists.newArrayList(), schema);
            selectOneTreeNode.setConstantValueType(new ValueValueType(Message.VariantType.VT_INT));
            treeLeaf = new OrderGlobalTreeNode(treeLeaf, schema, Lists.newArrayList(Pair.of(selectOneTreeNode, Order.asc)));
        }
    }
}