Package com.facebook.presto.metadata

Examples of com.facebook.presto.metadata.Signature

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        // TODO: Include these in the test once MAX_BY works with parametric types
        List<Type> valueTypes = FluentIterable.from(metadata.getTypeManager().getTypes()).filter(and(not(instanceOf(ArrayType.class)), not(instanceOf(MapType.class)))).toList();

        for (Type keyType : orderableTypes) {
            for (Type valueType : valueTypes) {
                assertNotNull(metadata.getExactFunction(new Signature("max_by", valueType.getName(), valueType.getName(), keyType.getName())));
            }
        }
    }
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    @Test
    public void testNull()
            throws Exception
    {
        InternalAggregationFunction doubleDouble = metadata.getExactFunction(new Signature("max_by", StandardTypes.DOUBLE, StandardTypes.DOUBLE, StandardTypes.DOUBLE)).getAggregationFunction();
        assertAggregation(
                doubleDouble,
                1.0,
                null,
                createPage(
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    @Test
    public void testDoubleDouble()
            throws Exception
    {
        InternalAggregationFunction doubleDouble = metadata.getExactFunction(new Signature("max_by", StandardTypes.DOUBLE, StandardTypes.DOUBLE, StandardTypes.DOUBLE)).getAggregationFunction();
        assertAggregation(
                doubleDouble,
                1.0,
                null,
                createPage(
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    @Test
    public void testDoubleVarchar()
            throws Exception
    {
        InternalAggregationFunction doubleVarchar = metadata.getExactFunction(new Signature("max_by", StandardTypes.VARCHAR, StandardTypes.VARCHAR, StandardTypes.DOUBLE)).getAggregationFunction();
        assertAggregation(
                doubleVarchar,
                1.0,
                "a",
                createPage(
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            Map<Symbol, FunctionCall> finalCalls = new HashMap<>();
            Map<Symbol, FunctionCall> intermediateCalls = new HashMap<>();
            Map<Symbol, Signature> intermediateFunctions = new HashMap<>();
            Map<Symbol, Symbol> intermediateMask = new HashMap<>();
            for (Map.Entry<Symbol, FunctionCall> entry : aggregations.entrySet()) {
                Signature signature = functions.get(entry.getKey());
                FunctionInfo function = metadata.getFunction(signature);

                Symbol intermediateSymbol = allocator.newSymbol(function.getName().getSuffix(), function.getIntermediateType());
                intermediateCalls.put(intermediateSymbol, entry.getValue());
                intermediateFunctions.put(intermediateSymbol, signature);
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                for (Expression argument : entry.getValue().getArguments()) {
                    Symbol argumentSymbol = Symbol.fromQualifiedName(((QualifiedNameReference) argument).getName());
                    arguments.add(source.getLayout().get(argumentSymbol));
                }
                Symbol symbol = entry.getKey();
                Signature signature = node.getSignatures().get(symbol);
                windowFunctions.add(metadata.getExactFunction(signature).bindWindowFunction(arguments.build()));
                windowFunctionOutputSymbols.add(symbol);
            }

            // compute the layout of the output from the window operator
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            ImmutableList.Builder<WindowFunction> windowFunctions = ImmutableList.builder();
            List<Symbol> windowFunctionOutputSymbols = new ArrayList<>();
            for (Map.Entry<Symbol, FunctionCall> entry : node.getWindowFunctions().entrySet()) {
                Symbol symbol = entry.getKey();
                Signature signature = node.getSignatures().get(symbol);
                windowFunctions.add(metadata.getFunction(signature).getWindowFunction().get());
                windowFunctionOutputSymbols.add(symbol);
            }

            // compute the layout of the output from the window operator
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            Map<Symbol, FunctionCall> finalCalls = new HashMap<>();
            Map<Symbol, FunctionCall> intermediateCalls = new HashMap<>();
            Map<Symbol, Signature> intermediateFunctions = new HashMap<>();
            Map<Symbol, Symbol> intermediateMask = new HashMap<>();
            for (Map.Entry<Symbol, FunctionCall> entry : aggregations.entrySet()) {
                Signature signature = functions.get(entry.getKey());
                FunctionInfo function = metadata.getFunction(signature);

                Symbol intermediateSymbol = allocator.newSymbol(function.getName().getSuffix(), function.getIntermediateType());
                intermediateCalls.put(intermediateSymbol, entry.getValue());
                intermediateFunctions.put(intermediateSymbol, signature);
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            Map<Symbol, FunctionCall> finalCalls = new HashMap<>();
            Map<Symbol, FunctionCall> intermediateCalls = new HashMap<>();
            Map<Symbol, Signature> intermediateFunctions = new HashMap<>();
            Map<Symbol, Symbol> intermediateMask = new HashMap<>();
            for (Map.Entry<Symbol, FunctionCall> entry : aggregations.entrySet()) {
                Signature signature = functions.get(entry.getKey());
                FunctionInfo function = metadata.getFunction(signature);

                Symbol intermediateSymbol = allocator.newSymbol(function.getName().getSuffix(), function.getIntermediateType());
                intermediateCalls.put(intermediateSymbol, entry.getValue());
                intermediateFunctions.put(intermediateSymbol, signature);
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            ImmutableList.Builder<WindowFunction> windowFunctions = ImmutableList.builder();
            List<Symbol> windowFunctionOutputSymbols = new ArrayList<>();
            for (Map.Entry<Symbol, FunctionCall> entry : node.getWindowFunctions().entrySet()) {
                Symbol symbol = entry.getKey();
                Signature signature = node.getSignatures().get(symbol);
                windowFunctions.add(metadata.getFunction(signature).getWindowFunction().get());
                windowFunctionOutputSymbols.add(symbol);
            }

            // compute the layout of the output from the window operator
View Full Code Here
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Related Classes of com.facebook.presto.metadata.Signature

  • com.facebook.presto.ml.TestEvaluateClassifierPredictions
  • com.facebook.presto.operator.aggregation.CountColumn
  • com.facebook.presto.operator.aggregation.MaxBy
  • com.facebook.presto.operator.aggregation.TestMaxByAggregation
  • com.facebook.presto.operator.scalar.ArrayCardinalityFunction
  • com.facebook.presto.operator.scalar.MapConstructor
  • com.facebook.presto.operator.scalar.MapSubscriptOperator
  • com.facebook.presto.operator.window.ReflectionWindowFunctionSupplier
  • com.facebook.presto.spi.type.Type
  • com.facebook.presto.spi.type.TypeSignature
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