Examples of ILogicalOperator


        List<LogicalVariable> used = new ArrayList<LogicalVariable>();
        VariableUtilities.getUsedVariables(op1, used);


        Mutable<ILogicalOperator> b0Ref = op2.getInputs().get(0);
        ILogicalOperator b0 = b0Ref.getValue();
        List<LogicalVariable> b0Scm = new ArrayList<LogicalVariable>();
        VariableUtilities.getLiveVariables(b0, b0Scm);
        if (b0Scm.containsAll(used)) {
            // push assign on left branch
            op2Ref.setValue(b0);
            b0Ref.setValue(op1);
            opRef.setValue(op2);
            return true;
        } else {
            Mutable<ILogicalOperator> b1Ref = op2.getInputs().get(1);
            ILogicalOperator b1 = b1Ref.getValue();
            List<LogicalVariable> b1Scm = new ArrayList<LogicalVariable>();
            VariableUtilities.getLiveVariables(b1, b1Scm);
            if (b1Scm.containsAll(used)) {
                // push assign on right branch
                op2Ref.setValue(b1);

Examples of edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator

        VXQueryConstantValue cv = new VXQueryConstantValue(SequenceType.create(BuiltinTypeRegistry.XS_BOOLEAN,
                Quantifier.QUANT_ONE), p.getByteArray());
        AssignOperator trueAssignOp = new AssignOperator(trueVar, new MutableObject<ILogicalExpression>(
                new ConstantExpression(cv)));


        ILogicalOperator aggInput = aggregate.getInputs().get(0).getValue();
        aggregate.getInputs().get(0).setValue(trueAssignOp);
        trueAssignOp.getInputs().add(new MutableObject<ILogicalOperator>(aggInput));


        // Set partitioning variable.
        // TODO Review why this is not valid in 0.2.6

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