Package io.crate.planner.symbol

Examples of io.crate.planner.symbol.Aggregation

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        minAggFunction = (AggregationFunction<MinimumAggregation.MinimumAggState>) functions.get(minAggIdent);

        groupProjection = new GroupProjection();
        groupProjection.keys(Arrays.<DataTypeSymbol>asList(new InputColumn(0, DataTypes.INTEGER)));
        groupProjection.values(Arrays.asList(
                new Aggregation(minAggFunction.info(), Arrays.<Symbol>asList(new InputColumn(1)), Aggregation.Step.PARTIAL, Aggregation.Step.FINAL)
        ));
    }
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        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(
                new Aggregation(
                        countAggregation.info(),
                        ImmutableList.<Symbol>of(new InputColumn(0)),
                        Aggregation.Step.PARTIAL,
                        Aggregation.Step.FINAL
                )
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        Reference nameRef = TestingHelpers.createReference("name", DataTypes.STRING);
        GroupProjection groupProjection = new GroupProjection();
        groupProjection.keys(Arrays.<DataTypeSymbol>asList(nameRef));
        groupProjection.values(Arrays.asList(
                new Aggregation(
                        new FunctionInfo(new FunctionIdent(CountAggregation.NAME, ImmutableList.<DataType>of()), DataTypes.LONG),
                        ImmutableList.<Symbol>of(),
                        Aggregation.Step.PARTIAL,
                        Aggregation.Step.FINAL
                )
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        countImpl = (AggregationFunction) functions.get(countAggIdent);
    }

    @Test
    public void testAggregationFromPartial() {
        Aggregation aggregation = new Aggregation(
                countImpl.info(),
                Arrays.<Symbol>asList(new InputColumn(0)),
                Aggregation.Step.PARTIAL,
                Aggregation.Step.FINAL
        );
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        assertThat((Long)result, is(20L));
    }

    @Test
    public void testAggregationFromIterToFinal() {
        Aggregation aggregation = new Aggregation(
                countImpl.info(),
                Arrays.<Symbol>asList(new InputColumn(0)),
                Aggregation.Step.ITER,
                Aggregation.Step.FINAL
        );
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        minAggFunction = (AggregationFunction<MinimumAggregation.MinimumAggState>) functions.get(minAggIdent);

        groupProjection = new GroupProjection();
        groupProjection.keys(Arrays.<DataTypeSymbol>asList(new InputColumn(0, DataTypes.INTEGER)));
        groupProjection.values(Arrays.asList(
                new Aggregation(minAggInfo, Arrays.<Symbol>asList(new InputColumn(1)),
                        Aggregation.Step.PARTIAL, Aggregation.Step.FINAL)
        ));
    }
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        ImmutableList<Input<?>> keys = ImmutableList.<Input<?>>of(
                new DummyInput("one", "one", "three"));


        FunctionInfo countInfo = new FunctionInfo(new FunctionIdent("count", ImmutableList.<DataType>of()), DataTypes.LONG);
        Aggregation countAggregation =
                new Aggregation(countInfo, ImmutableList.<Symbol>of(), Aggregation.Step.ITER, Aggregation.Step.PARTIAL);

        Functions functions = new ModulesBuilder()
                .add(new AggregationImplModule()).createInjector().getInstance(Functions.class);

        AggregationContext aggregationContext = new AggregationContext(
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    public void testStreaming2() throws Exception {
        Reference nameRef = createReference("name", DataTypes.STRING);
        GroupProjection groupProjection = new GroupProjection();
        groupProjection.keys(Arrays.<DataTypeSymbol>asList(nameRef));
        groupProjection.values(Arrays.asList(
                new Aggregation(
                        new FunctionInfo(new FunctionIdent(CountAggregation.NAME, ImmutableList.<DataType>of()), DataTypes.LONG),
                        ImmutableList.<Symbol>of(),
                        Aggregation.Step.PARTIAL,
                        Aggregation.Step.FINAL
                )
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        }
        return result;
    }

    private Plan genCountStarPlan(TableInfo table) {
        Aggregation countAggregationPartial = new Aggregation(
                CountAggregation.COUNT_STAR_FUNCTION,
                ImmutableList.<Symbol>of(),
                Aggregation.Step.ITER,
                Aggregation.Step.PARTIAL);
        Aggregation countAggregationFinal = new Aggregation(
                CountAggregation.COUNT_STAR_FUNCTION,
                ImmutableList.<Symbol>of(new InputColumn(0, DataTypes.LONG)),
                Aggregation.Step.PARTIAL,
                Aggregation.Step.FINAL);
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Related Classes of io.crate.planner.symbol.Aggregation

  • io.crate.action.sql.DDLAnalysisDispatcher
  • io.crate.executor.task.LocalMergeTaskTest
  • io.crate.executor.transport.task.DistributedMergeTaskTest
  • io.crate.metadata.FunctionInfo
  • io.crate.operation.aggregation.AggregationCollectorTest
  • io.crate.operation.merge.MergeOperationTest
  • io.crate.operation.projectors.GroupingProjectorTest
  • io.crate.planner.node.MergeNodeTest
  • io.crate.planner.projection.GroupProjectionTest
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