Examples with Reference io.crate.metadata.Reference used on opensource projects

Example 36 with Reference

use of io.crate.metadata.Reference in project crate by crate.

the class SysNodesExpressionsOnHandlerTest method testName.

@Test
public void testName() throws Exception {
    Reference refInfo = refInfo("sys.nodes.name", DataTypes.STRING, RowGranularity.NODE);
    collectExpression = resolver.getImplementation(refInfo);
    collectExpression.setNextRow(CONTEXT);
    assertThat(BytesRefs.toBytesRef("crate1"), is(collectExpression.value()));
}

Example 37 with Reference

use of io.crate.metadata.Reference in project crate by crate.

the class SysNodesExpressionsOnHandlerTest method testMemory.

@Test
public void testMemory() throws Exception {
    Reference refInfo = refInfo("sys.nodes.mem", DataTypes.OBJECT, RowGranularity.NODE);
    collectExpression = resolver.getImplementation(refInfo);
    collectExpression.setNextRow(CONTEXT);
    Map<String, Object> v = (Map<String, Object>) collectExpression.value();
    assertThat(v.get("free"), is(12345342234L));
    assertThat(v.get("free_percent"), is(Short.valueOf("78")));
    assertThat(v.get("used"), is(12345342234L));
    assertThat(v.get("used_percent"), is(Short.valueOf("22")));
}

Example 38 with Reference

use of io.crate.metadata.Reference in project crate by crate.

the class TableFunctionCollectSource method getCollector.

@Override
public CrateCollector getCollector(CollectPhase collectPhase, BatchConsumer consumer, JobCollectContext jobCollectContext) {
    TableFunctionCollectPhase phase = (TableFunctionCollectPhase) collectPhase;
    WhereClause whereClause = phase.whereClause();
    if (whereClause.noMatch()) {
        return RowsCollector.empty(consumer);
    }
    TableFunctionImplementation functionImplementation = phase.relation().functionImplementation();
    TableInfo tableInfo = functionImplementation.createTableInfo(clusterService);
    //noinspection unchecked  Only literals can be passed to table functions. Anything else is invalid SQL
    List<Input<?>> inputs = (List<Input<?>>) (List) phase.relation().function().arguments();
    List<Reference> columns = new ArrayList<>(tableInfo.columns());
    List<Input<?>> topLevelInputs = new ArrayList<>(phase.toCollect().size());
    InputFactory.Context<InputCollectExpression> ctx = inputFactory.ctxForRefs(i -> new InputCollectExpression(columns.indexOf(i)));
    for (Symbol symbol : phase.toCollect()) {
        topLevelInputs.add(ctx.add(symbol));
    }
    Iterable<Row> rows = Iterables.transform(functionImplementation.execute(inputs), new ValueAndInputRow<>(topLevelInputs, ctx.expressions()));
    if (whereClause.hasQuery()) {
        Input<Boolean> condition = (Input<Boolean>) ctx.add(whereClause.query());
        rows = Iterables.filter(rows, InputCondition.asPredicate(condition));
    }
    OrderBy orderBy = phase.orderBy();
    if (orderBy != null) {
        rows = RowsTransformer.sortRows(Iterables.transform(rows, Row::materialize), phase);
    }
    return RowsCollector.forRows(rows, phase.toCollect().size(), consumer);
}

Example 39 with Reference

use of io.crate.metadata.Reference in project crate by crate.

the class ShardUpsertRequestTest method testStreaming.

@Test
public void testStreaming() throws Exception {
    ShardId shardId = new ShardId("test", 1);
    String[] assignmentColumns = new String[] { "id", "name" };
    UUID jobId = UUID.randomUUID();
    Reference[] missingAssignmentColumns = new Reference[] { ID_REF, NAME_REF };
    ShardUpsertRequest request = new ShardUpsertRequest.Builder(false, false, assignmentColumns, missingAssignmentColumns, jobId, false).newRequest(shardId, "42");
    request.validateConstraints(false);
    request.add(123, new ShardUpsertRequest.Item("99", null, new Object[] { 99, new BytesRef("Marvin") }, null));
    request.add(5, new ShardUpsertRequest.Item("42", new Symbol[] { Literal.of(42), Literal.of("Deep Thought") }, null, 2L));
    BytesStreamOutput out = new BytesStreamOutput();
    request.writeTo(out);
    StreamInput in = StreamInput.wrap(out.bytes());
    ShardUpsertRequest request2 = new ShardUpsertRequest();
    request2.readFrom(in);
    assertThat(request, equalTo(request2));
}

Example 40 with Reference

use of io.crate.metadata.Reference in project crate by crate.

the class DeleteStatementPlanner method collectWithDeleteProjection.

private static Plan collectWithDeleteProjection(TableInfo tableInfo, WhereClause whereClause, Planner.Context plannerContext) {
    // for delete, we always need to collect the `_uid`
    Reference idReference = tableInfo.getReference(DocSysColumns.ID);
    DeleteProjection deleteProjection = new DeleteProjection(new InputColumn(0, DataTypes.STRING));
    Routing routing = plannerContext.allocateRouting(tableInfo, whereClause, Preference.PRIMARY.type());
    RoutedCollectPhase collectPhase = new RoutedCollectPhase(plannerContext.jobId(), plannerContext.nextExecutionPhaseId(), "collect", routing, tableInfo.rowGranularity(), ImmutableList.of(idReference), ImmutableList.of(deleteProjection), whereClause, DistributionInfo.DEFAULT_BROADCAST);
    Collect collect = new Collect(collectPhase, TopN.NO_LIMIT, 0, 1, 1, null);
    return Merge.ensureOnHandler(collect, plannerContext, Collections.singletonList(MergeCountProjection.INSTANCE));
}