Examples of io.crate.planner.node.PlanNode

io.crate.planner.node.PlanNode


    @Test
    public void testGlobalCountPlan() throws Exception {
        Plan plan = plan("select count(*) from users");
        Iterator<PlanNode> iterator = plan.iterator();
        PlanNode planNode = iterator.next();
        assertThat(planNode, instanceOf(ESCountNode.class));


        ESCountNode node = (ESCountNode)planNode;
        assertThat(node.tableInfo().ident().name(), is("users"));
    }

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    @Test
    public void testSetPlan() throws Exception {
        Plan plan = plan("set GLOBAL PERSISTENT stats.jobs_log_size=1024");
        Iterator<PlanNode> iterator = plan.iterator();
        PlanNode planNode = iterator.next();
        assertThat(planNode, instanceOf(ESClusterUpdateSettingsNode.class));


        ESClusterUpdateSettingsNode node = (ESClusterUpdateSettingsNode) planNode;
        // set transient settings too when setting persistent ones
        assertThat(node.transientSettings().toDelimitedString(','), is("stats.jobs_log_size=1024,"));

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    @Test
    public void testInsertFromSubQueryNonDistributedGroupBy() throws Exception {
        Plan plan = plan("insert into users (id, name) (select name, count(*) from sys.nodes where name='Ford' group by name)");
        Iterator<PlanNode> iterator = plan.iterator();
        PlanNode planNode = iterator.next();
        assertThat(planNode, instanceOf(CollectNode.class));


        planNode = iterator.next();
        assertThat(planNode, instanceOf(MergeNode.class));
        MergeNode mergeNode = (MergeNode)planNode;

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    @Test (expected = UnsupportedFeatureException.class)
    public void testInsertFromSubQueryDistributedGroupByWithLimit() throws Exception {
        Plan plan = plan("insert into users (id, name) (select name, count(*) from users group by name order by name limit 10)");
        Iterator<PlanNode> iterator = plan.iterator();
        PlanNode planNode = iterator.next();
        assertThat(planNode, instanceOf(CollectNode.class));


        planNode = iterator.next();
        assertThat(planNode, instanceOf(MergeNode.class));
        MergeNode mergeNode = (MergeNode)planNode;

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    @Test
    public void testInsertFromSubQueryDistributedGroupByWithoutLimit() throws Exception {
        Plan plan = plan("insert into users (id, name) (select name, count(*) from users group by name)");
        Iterator<PlanNode> iterator = plan.iterator();
        PlanNode planNode = iterator.next();
        assertThat(planNode, instanceOf(CollectNode.class));


        planNode = iterator.next();
        assertThat(planNode, instanceOf(MergeNode.class));
        MergeNode mergeNode = (MergeNode)planNode;

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    @Test
    public void testInsertFromSubQueryDistributedGroupByPartitioned() throws Exception {
        Plan plan = plan("insert into parted (id, date) (select id, date from users group by id, date)");
        Iterator<PlanNode> iterator = plan.iterator();
        PlanNode planNode = iterator.next();
        assertThat(planNode, instanceOf(CollectNode.class));


        planNode = iterator.next();
        assertThat(planNode, instanceOf(MergeNode.class));
        MergeNode mergeNode = (MergeNode)planNode;

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    @Test
    public void testInsertFromSubQueryGlobalAggregate() throws Exception {
        Plan plan = plan("insert into users (name, id) (select arbitrary(name), count(*) from users)");
        Iterator<PlanNode> iterator = plan.iterator();
        PlanNode planNode = iterator.next();
        assertThat(planNode, instanceOf(CollectNode.class));


        planNode = iterator.next();
        assertThat(planNode, instanceOf(MergeNode.class));
        MergeNode localMergeNode = (MergeNode)planNode;

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    public void testInsertFromSubQueryESGet() throws Exception {
        // doesn't use ESGetNode but CollectNode.
        // Round-trip to handler can be skipped by writing from the shards directly
        Plan plan = plan("insert into users (date, id, name) (select date, id, name from users where id=1)");
        Iterator<PlanNode> iterator = plan.iterator();
        PlanNode planNode = iterator.next();
        assertThat(planNode, instanceOf(CollectNode.class));
        CollectNode collectNode = (CollectNode) planNode;


        assertThat(collectNode.projections().size(), is(1));
        assertThat(collectNode.projections().get(0), instanceOf(ColumnIndexWriterProjection.class));

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    @Test (expected = UnsupportedFeatureException.class)
    public void testInsertFromSubQueryWithLimit() throws Exception {
        Plan plan = plan("insert into users (date, id, name) (select date, id, name from users limit 10)");
        Iterator<PlanNode> iterator = plan.iterator();
        PlanNode planNode = iterator.next();
        assertThat(planNode, instanceOf(QueryThenFetchNode.class));


        planNode = iterator.next();
        assertThat(planNode, instanceOf(MergeNode.class));
        MergeNode localMergeNode = (MergeNode)planNode;

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    @Test
    public void testInsertFromSubQueryWithoutLimit() throws Exception {
        Plan plan = plan("insert into users (date, id, name) (select date, id, name from users)");
        Iterator<PlanNode> iterator = plan.iterator();
        PlanNode planNode = iterator.next();
        assertThat(planNode, instanceOf(CollectNode.class));
        CollectNode collectNode = (CollectNode)planNode;
        assertThat(collectNode.projections().size(), is(1));
        assertThat(collectNode.projections().get(0), instanceOf(ColumnIndexWriterProjection.class));

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io.crate.planner.PlannerTest

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