Package io.crate.metadata

Examples of io.crate.metadata.FunctionIdent

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        protected static void registerLogBaseFunctions(ScalarFunctionModule module) {
            // log(valueType, baseType) : double
            for (DataType baseType : ALLOWED_TYPES) {
                for (DataType valueType : ALLOWED_TYPES) {
                    FunctionInfo info = new FunctionInfo(
                            new FunctionIdent(
                                    NAME,
                                    Arrays.asList(valueType, baseType)
                            ),
                            DataTypes.DOUBLE
                    );
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    static class Log10Function extends LogFunction {

        protected static void registerLog10Functions(ScalarFunctionModule module) {
            // log(dataType) : double
            for (DataType dt : ALLOWED_TYPES) {
                FunctionInfo info = new FunctionInfo(new FunctionIdent(NAME, Arrays.asList(dt)), DataTypes.DOUBLE);
                module.register(new Log10Function(info));
            }
        }
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    public static class LnFunction extends Log10Function {

        protected static void registerLnFunctions(ScalarFunctionModule module) {
            // ln(dataType) : double
            for (DataType dt : ALLOWED_TYPES) {
                FunctionInfo info = new FunctionInfo(new FunctionIdent(LnFunction.NAME, Arrays.asList(dt)), DataTypes.DOUBLE);
                module.register(new LnFunction(info));
            }
        }
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    @Before
    public void prepare() {
        Injector injector = new ModulesBuilder().add(new AggregationImplModule()).createInjector();
        Functions functions = injector.getInstance(Functions.class);
        visitor = new PlanNodeStreamerVisitor(functions);
        maxInfo = new FunctionInfo(new FunctionIdent(MaximumAggregation.NAME, Arrays.<DataType>asList(DataTypes.INTEGER)), DataTypes.INTEGER);
        countInfo = new FunctionInfo(new FunctionIdent(CountAggregation.NAME, ImmutableList.<DataType>of()), DataTypes.LONG);
    }
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    @Test
    public void testNormalizeWithReference() throws Exception {
        final DataType arrayType = new ArrayType(DataTypes.STRING);
        ToIntArrayFunction impl = (ToIntArrayFunction)functions.get(
                new FunctionIdent(ToIntArrayFunction.NAME, ImmutableList.of(arrayType)));

        Reference foo = TestingHelpers.createReference("foo", arrayType);
        Symbol symbol = impl.normalizeSymbol(new Function(impl.info(), Arrays.<Symbol>asList(foo)));
        assertThat(symbol, instanceOf(Function.class));
    }
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    }

    private Object[] eval(final Object objects, DataType innerType) {
        final DataType arrayType = new ArrayType(innerType);
        ToIntArrayFunction impl = (ToIntArrayFunction)functions.get(
                new FunctionIdent(ToIntArrayFunction.NAME, ImmutableList.of(arrayType)));

        Literal input = new Literal() {
            @Override
            public Object value() {
                return objects;
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    private Object[] eval(final Object objects, DataType innerType) {
        final DataType arrayType = new ArrayType(innerType);
        ToFloatArrayFunction impl = (ToFloatArrayFunction)functions.get(
                new FunctionIdent(ToFloatArrayFunction.NAME, ImmutableList.of(arrayType)));

        Literal input = new Literal() {
            @Override
            public Object value() {
                return objects;
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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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    private Object[] eval(final Object objects, DataType innerType) {
        final DataType arrayType = new ArrayType(innerType);
        ToShortArrayFunction impl = (ToShortArrayFunction)functions.get(
                new FunctionIdent(ToShortArrayFunction.NAME, ImmutableList.of(arrayType)));

        Literal input = new Literal() {
            @Override
            public Object value() {
                return objects;
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                .add(new ScalarFunctionModule()).createInjector().getInstance(Functions.class);
    }


    private ToDoubleFunction getFunction(DataType type) {
        return (ToDoubleFunction) functions.get(new FunctionIdent(functionName, Arrays.asList(type)));
    }
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Related Classes of io.crate.metadata.FunctionIdent

  • io.crate.executor.transport.task.DistributedMergeTaskTest
  • io.crate.lucene.LuceneQueryBuilderTest
  • io.crate.operation.aggregation.AggregationCollectorTest
  • io.crate.operation.aggregation.AggregationTest
  • io.crate.operation.aggregation.impl.ArbitraryAggregation
  • io.crate.operation.aggregation.impl.ArbitraryAggregationTest
  • io.crate.operation.aggregation.impl.AverageAggregation
  • io.crate.operation.aggregation.impl.AverageAggregationTest
  • io.crate.operation.aggregation.impl.CollectSetAggregation
  • io.crate.operation.aggregation.impl.CollectSetAggregationTest
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