Package com.facebook.presto.sql.analyzer

Examples of com.facebook.presto.sql.analyzer.Type

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        public FunctionListBuilder scalar(String name, MethodHandle function, boolean deterministic, FunctionBinder functionBinder, String description)
        {
            name = name.toLowerCase();

            Type returnType = type(function.type().returnType());
            List<Type> argumentTypes = types(function);
            functions.add(new FunctionInfo(new Signature(name, returnType, argumentTypes), description, function, deterministic, functionBinder));
            return this;
        }
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                    columns.add(tableScanNode.getAssignments().get(symbol));

                    Input input = new Input(channel);
                    sourceLayout.put(symbol, input);

                    Type type = checkNotNull(context.getTypes().get(symbol), "No type for symbol %s", symbol);
                    sourceTypes.put(input, type);

                    channel++;
                }
            }
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        List<Object> results = new ArrayList<>();

        // execute as standalone operator
        OperatorFactory operatorFactory = compileFilterProject(TRUE_LITERAL, projectionExpression);
        Type expressionType = Type.fromRaw(operatorFactory.getTupleInfos().get(0).getType());
        Object directOperatorValue = selectSingleValue(operatorFactory, session);
        results.add(directOperatorValue);

        // interpret
        Object interpretedValue = selectSingleValue(interpretedFilterProject(TRUE_LITERAL, projectionExpression, expressionType, session));
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        List<Boolean> results = new ArrayList<>();

        // execute as standalone operator
        OperatorFactory operatorFactory = compileFilterProject(filterExpression, TRUE_LITERAL);
        Type expressionType = Type.fromRaw(operatorFactory.getTupleInfos().get(0).getType());
        results.add(executeFilter(operatorFactory, session));

        if (executeWithNoInputColumns) {
            // execute as standalone operator
            operatorFactory = compileFilterWithNoInputColumns(filterExpression);
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        }
    }

    private OperatorFactory compileFilterProject(Expression filter, Expression projection)
    {
        Type projectionType = getExpressionType(projection);

        filter = ExpressionTreeRewriter.rewriteWith(new SymbolToInputRewriter(INPUT_MAPPING), filter);
        projection = ExpressionTreeRewriter.rewriteWith(new SymbolToInputRewriter(INPUT_MAPPING), projection);

        try {
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        }
    }

    private SourceOperatorFactory compileScanFilterProject(Expression filter, Expression projection)
    {
        Type projectionType = getExpressionType(projection);

        filter = ExpressionTreeRewriter.rewriteWith(new SymbolToInputRewriter(INPUT_MAPPING), filter);
        projection = ExpressionTreeRewriter.rewriteWith(new SymbolToInputRewriter(INPUT_MAPPING), projection);

        try {
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        List<Object> results = new ArrayList<>();

        // execute as standalone operator
        OperatorFactory operatorFactory = compileFilterProject(TRUE_LITERAL, projectionExpression);
        Type expressionType = Type.fromRaw(operatorFactory.getTupleInfos().get(0).getType());
        Object directOperatorValue = selectSingleValue(operatorFactory, session);
        results.add(directOperatorValue);

        // interpret
        Object interpretedValue = selectSingleValue(interpretedFilterProject(TRUE_LITERAL, projectionExpression, expressionType, session));
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        List<Boolean> results = new ArrayList<>();

        // execute as standalone operator
        OperatorFactory operatorFactory = compileFilterProject(filterExpression, TRUE_LITERAL);
        Type expressionType = Type.fromRaw(operatorFactory.getTupleInfos().get(0).getType());
        results.add(executeFilter(operatorFactory, session));

        // interpret
        boolean interpretedValue = executeFilter(interpretedFilterProject(filterExpression, TRUE_LITERAL, expressionType, session));
        results.add(interpretedValue);
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            for (Expression expression : node.getArguments()) {
                Object value = process(expression, context);
                if (value == null) {
                    return null;
                }
                Type type;
                if (value instanceof Double) {
                    type = Type.DOUBLE;
                }
                else if (value instanceof Long) {
                    type = Type.BIGINT;
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        List<Type> functionArguments = functionInfo.getArgumentTypes();
        if (parameterTypes.size() != functionArguments.size()) {
            return false;
        }
        for (int i = 0; i < functionArguments.size(); i++) {
            Type functionArgument = functionArguments.get(i);
            Type parameterType = parameterTypes.get(i);
            if (functionArgument != parameterType && !(functionArgument == DOUBLE && parameterType == BIGINT)) {
                return false;
            }
        }
        return true;
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Related Classes of com.facebook.presto.sql.analyzer.Type

  • com.facebook.presto.metadata.FunctionRegistry
  • com.facebook.presto.metadata.FunctionRegistry$FunctionListBuilder
  • com.facebook.presto.operator.scalar.FunctionAssertions
  • com.facebook.presto.sql.gen.ByteCodeExpressionVisitor
  • com.facebook.presto.sql.gen.ExpressionCompiler
  • com.facebook.presto.sql.planner.DomainTranslator$Visitor
  • com.facebook.presto.sql.planner.ExpressionInterpreter$Visitor
  • com.facebook.presto.sql.planner.LocalExecutionPlanner$Visitor
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