Package com.facebook.presto.byteCode

Examples of com.facebook.presto.byteCode.ByteCodeNode

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        if (expressionTypes.get(node.getExpression()).equals(UNKNOWN)) {
            // set was null and push java default
            return new Block(context).putVariable("wasNull", true).pushJavaDefault(type.getJavaType());
        }

        ByteCodeNode value = process(node.getExpression(), context);
        FunctionBinding functionBinding = bootstrapFunctionBinder.bindCastOperator(
                getSessionByteCode,
                value,
                expressionTypes.get(node.getExpression()),
                type);
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    }

    @Override
    protected ByteCodeNode visitArithmeticExpression(ArithmeticExpression node, CompilerContext context)
    {
        ByteCodeNode left = process(node.getLeft(), context);
        ByteCodeNode right = process(node.getRight(), context);

        FunctionBinding functionBinding = bootstrapFunctionBinder.bindOperator(
                OperatorType.valueOf(node.getType().name()),
                getSessionByteCode,
                ImmutableList.of(left, right),
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    }

    @Override
    protected ByteCodeNode visitNegativeExpression(NegativeExpression node, CompilerContext context)
    {
        ByteCodeNode value = process(node.getValue(), context);

        FunctionBinding functionBinding = bootstrapFunctionBinder.bindOperator(
                OperatorType.NEGATION,
                getSessionByteCode,
                ImmutableList.of(value),
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    }

    @Override
    protected ByteCodeNode visitLogicalBinaryExpression(LogicalBinaryExpression node, CompilerContext context)
    {
        ByteCodeNode left = process(node.getLeft(), context);
        Type leftType = expressionTypes.get(node.getLeft());
        ByteCodeNode right = process(node.getRight(), context);
        Type rightType = expressionTypes.get(node.getRight());

        switch (node.getType()) {
            case AND:
                return visitAnd(context, left, leftType, right, rightType, node.toString());
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    }

    @Override
    protected ByteCodeNode visitNotExpression(NotExpression node, CompilerContext context)
    {
        ByteCodeNode value = process(node.getValue(), context);

        // simple single op so there is no reason to do a null check
        return new Block(context)
                .comment(node.toString())
                .append(value)
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        // distinct requires special null handling rules
        if (node.getType() == ComparisonExpression.Type.IS_DISTINCT_FROM) {
            return visitIsDistinctFrom(node, context);
        }

        ByteCodeNode left = process(node.getLeft(), context);
        ByteCodeNode right = process(node.getRight(), context);

        FunctionBinding functionBinding = bootstrapFunctionBinder.bindOperator(
                OperatorType.valueOf(node.getType().name()),
                getSessionByteCode,
                ImmutableList.of(left, right),
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                OperatorType.EQUAL,
                getSessionByteCode,
                ImmutableList.<ByteCodeNode>of(NOP, NOP),
                ImmutableList.of(leftType, rightType));

        ByteCodeNode equalsCall = new Block(context).comment("equals(%s, %s)", leftType, rightType)
                .invokeDynamic(functionBinding.getName(), functionBinding.getCallSite().type(), functionBinding.getBindingId());

        Block block = new Block(context)
                .comment(node.toString())
                .comment("left")
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    }

    @Override
    protected ByteCodeNode visitBetweenPredicate(BetweenPredicate node, CompilerContext context)
    {
        ByteCodeNode value = process(node.getValue(), context);
        ByteCodeNode min = process(node.getMin(), context);
        ByteCodeNode max = process(node.getMax(), context);

        FunctionBinding functionBinding = bootstrapFunctionBinder.bindOperator(
                OperatorType.BETWEEN,
                getSessionByteCode,
                ImmutableList.of(value, min, max),
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        Type valueType = expressionTypes.get(node.getValue());
        if (valueType.equals(UNKNOWN)) {
            return loadBoolean(true);
        }

        ByteCodeNode value = process(node.getValue(), context);

        // evaluate the expression, pop the produced value, and load the null flag
        Block block = new Block(context)
                .comment(node.toString())
                .append(value)
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    @Override
    protected ByteCodeNode visitSearchedCaseExpression(SearchedCaseExpression node, final CompilerContext context)
    {
        Type type = expressionTypes.get(node);
        ByteCodeNode elseValue;
        if (node.getDefaultValue() != null) {
            elseValue = process(node.getDefaultValue(), context);
        }
        else {
            elseValue = typedNull(context, type.getJavaType());
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Related Classes of com.facebook.presto.byteCode.ByteCodeNode

  • com.facebook.presto.operator.scalar.JsonFunctions$JsonFunctionBinder
  • com.facebook.presto.operator.scalar.RegexpFunctions$RegexFunctionBinder
  • com.facebook.presto.sql.gen.AndCodeGenerator
  • com.facebook.presto.sql.gen.ByteCodeExpressionVisitor
  • com.facebook.presto.sql.gen.CoalesceCodeGenerator
  • com.facebook.presto.sql.gen.DefaultFunctionBinder
  • com.facebook.presto.sql.gen.ExpressionCompiler
  • com.facebook.presto.sql.gen.InCodeGenerator
  • com.facebook.presto.sql.gen.IsDistinctFromCodeGenerator
  • com.facebook.presto.sql.gen.IsNullCodeGenerator
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