Package com.facebook.presto.metadata

Examples of com.facebook.presto.metadata.FunctionListBuilder

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{
    @BeforeClass
    public void setup()
    {
        InternalAggregationFunction function = new AggregationCompiler().generateAggregationFunction(CountNull.class);
        functionRegistry.addFunctions(new FunctionListBuilder(new TypeRegistry()).aggregate(function).getFunctions());
    }
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        return this;
    }

    public FunctionAssertions addScalarFunctions(Class<?> clazz)
    {
        metadata.addFunctions(new FunctionListBuilder(metadata.getTypeManager()).scalar(clazz).getFunctions());
        return this;
    }
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        return this;
    }

    public FunctionAssertions addScalarFunctions(Class<?> clazz)
    {
        metadata.addFunctions(new FunctionListBuilder(metadata.getTypeManager()).scalar(clazz).getFunctions());
        return this;
    }
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{
    private final List<ParametricFunction> aggregations;

    public static GenericAggregationFunctionFactory fromAggregationDefinition(Class<?> clazz, TypeManager typeManager)
    {
        FunctionListBuilder builder = new FunctionListBuilder(typeManager);
        for (InternalAggregationFunction aggregation : new AggregationCompiler(typeManager).generateAggregationFunctions(clazz)) {
            builder.aggregate(aggregation);
        }

        return new GenericAggregationFunctionFactory(builder.getFunctions());
    }
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    }

    @Override
    public List<ParametricFunction> listFunctions()
    {
        return new FunctionListBuilder(typeManager)
                .aggregate(new LearnAggregation(CLASSIFIER, BIGINT))
                .aggregate(new LearnAggregation(CLASSIFIER, DOUBLE))
                .aggregate(new LearnAggregation(REGRESSOR, BIGINT))
                .aggregate(new LearnAggregation(REGRESSOR, DOUBLE))
                .aggregate(new LearnLibSvmAggregation(CLASSIFIER, BIGINT))
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Related Classes of com.facebook.presto.metadata.FunctionListBuilder

  • com.facebook.presto.ml.MLFunctionFactory
  • com.facebook.presto.operator.aggregation.GenericAggregationFunctionFactory
  • com.facebook.presto.operator.aggregation.TestCountNullAggregation
  • com.facebook.presto.operator.Description
  • com.facebook.presto.operator.scalar.FunctionAssertions
  • com.facebook.presto.operator.scalar.ScalarFunction
  • com.facebook.presto.operator.scalar.ScalarOperator
  • com.facebook.presto.operator.window.WindowFunctionSupplier
  • com.facebook.presto.spi.type.Type
  • com.facebook.presto.type.SqlType
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