Package io.crate.planner.node.dql

Examples of io.crate.planner.node.dql.MergeNode.executionNodes()

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        }

        // select count(*), user ... group by user
        MergeNode mergeNode = new MergeNode("merge1", 2);
        mergeNode.contextId(UUID.randomUUID());
        mergeNode.executionNodes(nodes);
        mergeNode.inputTypes(Arrays.<DataType>asList(DataTypes.UNDEFINED, DataTypes.STRING));

        GroupProjection groupProjection = new GroupProjection();
        groupProjection.keys(Arrays.<DataTypeSymbol>asList(new InputColumn(1, DataTypes.STRING)));
        groupProjection.values(Arrays.asList(
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    @Test
    public void testSerialization() throws Exception {
        MergeNode node = new MergeNode("merge", 2);
        node.contextId(UUID.randomUUID());
        node.executionNodes(Sets.newHashSet("node1", "node2"));
        node.inputTypes(Arrays.<DataType>asList(DataTypes.UNDEFINED, DataTypes.STRING));

        Reference nameRef = TestingHelpers.createReference("name", DataTypes.STRING);
        GroupProjection groupProjection = new GroupProjection();
        groupProjection.keys(Arrays.<DataTypeSymbol>asList(nameRef));
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        BytesStreamInput input = new BytesStreamInput(output.bytes());
        MergeNode node2 = new MergeNode();
        node2.readFrom(input);

        assertThat(node.numUpstreams(), is(node2.numUpstreams()));
        assertThat(node.executionNodes(), is(node2.executionNodes()));
        assertThat(node.contextId(), is(node2.contextId()));
        assertThat(node.inputTypes(), is(node2.inputTypes()));
    }
}
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                                      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;
    }

    static MergeNode localMerge(List<Projection> projections,
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