Package com.facebook.presto.metadata

Examples of com.facebook.presto.metadata.FunctionHandle

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        {
            Map<Symbol, FunctionCall> finalCalls = new HashMap<>();
            Map<Symbol, FunctionCall> intermediateCalls = new HashMap<>();
            Map<Symbol, FunctionHandle> intermediateFunctions = new HashMap<>();
            for (Map.Entry<Symbol, FunctionCall> entry : aggregations.entrySet()) {
                FunctionHandle functionHandle = functions.get(entry.getKey());
                FunctionInfo function = metadata.getFunction(functionHandle);

                Symbol intermediateSymbol = allocator.newSymbol(function.getName().getSuffix(), function.getIntermediateType());
                intermediateCalls.put(intermediateSymbol, entry.getValue());
                intermediateFunctions.put(intermediateSymbol, functionHandle);
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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();
                FunctionHandle handle = node.getFunctionHandles().get(symbol);
                windowFunctions.add(metadata.getFunction(handle).getWindowFunction().get());
                windowFunctionOutputSymbols.add(symbol);
            }

            // compute the layout of the output from the window operator
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        return new FunctionCall(QualifiedName.of("test"), ImmutableList.<Expression>of());
    }

    private static FunctionHandle fakeFunctionHandle(String name)
    {
        return new FunctionHandle(Math.abs(new Random().nextInt()), name);
    }
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        return new FunctionCall(QualifiedName.of("test"), ImmutableList.<Expression>of());
    }

    private static FunctionHandle fakeFunctionHandle(String name)
    {
        return new FunctionHandle(Math.abs(new Random().nextInt()), name);
    }
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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();
                FunctionHandle handle = node.getFunctionHandles().get(symbol);
                windowFunctions.add(metadata.getFunction(handle).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, FunctionHandle> intermediateFunctions = new HashMap<>();
            for (Map.Entry<Symbol, FunctionCall> entry : aggregations.entrySet()) {
                FunctionHandle functionHandle = functions.get(entry.getKey());
                FunctionInfo function = metadata.getFunction(functionHandle);

                Symbol intermediateSymbol = allocator.newSymbol(function.getName().getSuffix(), function.getIntermediateType());
                intermediateCalls.put(intermediateSymbol, entry.getValue());
                intermediateFunctions.put(intermediateSymbol, functionHandle);
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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();
                FunctionHandle handle = node.getFunctionHandles().get(symbol);
                windowFunctions.add(metadata.getFunction(handle).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, FunctionHandle> intermediateFunctions = new HashMap<>();
            for (Map.Entry<Symbol, FunctionCall> entry : aggregations.entrySet()) {
                FunctionHandle functionHandle = functions.get(entry.getKey());
                FunctionInfo function = metadata.getFunction(functionHandle);

                Symbol intermediateSymbol = allocator.newSymbol(function.getName().getSuffix(), function.getIntermediateType());
                intermediateCalls.put(intermediateSymbol, entry.getValue());
                intermediateFunctions.put(intermediateSymbol, functionHandle);
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