Package io.crate.planner.node.dql

Examples of io.crate.planner.node.dql.MergeNode

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    public void testMergeSingleResult() throws Exception {
        TopNProjection topNProjection = new TopNProjection(3, TopN.NO_OFFSET,
                Arrays.<Symbol>asList(new InputColumn(0)), new boolean[]{false}, new Boolean[] { null });
        topNProjection.outputs(Arrays.<Symbol>asList(new InputColumn(0), new InputColumn(1)));

        MergeNode mergeNode = new MergeNode("merge", 2); // no need for inputTypes here
        mergeNode.projections(Arrays.asList(
                groupProjection,
                topNProjection
        ));

        MergeOperation mergeOperation = new MergeOperation(
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        assertThat((Double)mergeResult[2][1], is(2.5d));
    }

    @Test
    public void testMergeMultipleResults() throws Exception {
        MergeNode mergeNode = new MergeNode("merge", 2); // no need for inputTypes here
        mergeNode.projections(Arrays.<Projection>asList(
                groupProjection
        ));
        MergeOperation mergeOperation = new MergeOperation(
                mock(ClusterService.class),
                ImmutableSettings.EMPTY,
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        return node;
    }

    static MergeNode distributedMerge(CollectNode collectNode,
                                      ImmutableList<Projection> projections) {
        MergeNode node = new MergeNode("distributed merge", collectNode.executionNodes().size());
        node.projections(projections);

        assert collectNode.downStreamNodes()!=null && collectNode.downStreamNodes().size()>0;
        node.executionNodes(ImmutableSet.copyOf(collectNode.downStreamNodes()));
        connectTypes(collectNode, node);
        return node;
    }
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        return node;
    }

    static MergeNode localMerge(List<Projection> projections,
                                DQLPlanNode previousNode) {
        MergeNode node = new MergeNode("localMerge", previousNode.executionNodes().size());
        node.projections(projections);
        connectTypes(previousNode, node);
        return node;
    }
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                table.getRouting(WhereClause.MATCH_ALL),
                ImmutableList.<Symbol>of(),
                Arrays.<Projection>asList(new AggregationProjection(ImmutableList.of(countAggregationPartial))));
        collectNode.maxRowGranularity(RowGranularity.DOC);
        collectNode.outputTypes(ImmutableList.<DataType>of(DataTypes.UNDEFINED));
        MergeNode mergeNode = new MergeNode("local count merge", collectNode.executionNodes().size());
        mergeNode.projections(ImmutableList.<Projection>of(new AggregationProjection(ImmutableList.of(countAggregationFinal))));
        Plan plan = new Plan();
        plan.add(collectNode);
        plan.add(mergeNode);
        return plan;
    }
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Related Classes of io.crate.planner.node.dql.MergeNode

  • io.crate.action.sql.DDLAnalysisDispatcher
  • io.crate.executor.task.LocalMergeTaskTest
  • io.crate.executor.transport.merge.DistributedResultRequestTest
  • io.crate.executor.transport.merge.NodeMergeRequest
  • io.crate.executor.transport.task.DistributedMergeTaskTest
  • io.crate.operation.merge.MergeOperationTest
  • io.crate.planner.node.MergeNodeTest
  • io.crate.planner.node.PlanNodeStreamerVisitorTest
  • io.crate.planner.PlanNodeBuilder
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