Package edu.uci.ics.hyracks.algebricks.core.algebra.expressions

Examples of edu.uci.ics.hyracks.algebricks.core.algebra.expressions.AbstractFunctionCallExpression

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        // Check to see if the expression is the iterate operator.
        ILogicalExpression logicalExpression = (ILogicalExpression) unnest.getExpressionRef().getValue();
        if (logicalExpression.getExpressionTag() != LogicalExpressionTag.FUNCTION_CALL) {
            return false;
        }
        AbstractFunctionCallExpression functionCall = (AbstractFunctionCallExpression) logicalExpression;
        if (!functionCall.getFunctionIdentifier().equals(BuiltinOperators.ITERATE.getFunctionIdentifier())) {
            return false;
        }

        AbstractLogicalOperator op2 = (AbstractLogicalOperator) unnest.getInputs().get(0).getValue();
        if (op2.getOperatorTag() != LogicalOperatorTag.AGGREGATE) {
            return false;
        }
        AggregateOperator aggregate = (AggregateOperator) op2;

        // Check to see if the expression is a function and op:sequence.
        ILogicalExpression logicalExpression2 = (ILogicalExpression) aggregate.getExpressions().get(0).getValue();
        if (logicalExpression2.getExpressionTag() != LogicalExpressionTag.FUNCTION_CALL) {
            return false;
        }
        AbstractFunctionCallExpression functionCall2 = (AbstractFunctionCallExpression) logicalExpression2;
        if (!functionCall2.getFunctionIdentifier().equals(BuiltinOperators.SEQUENCE.getFunctionIdentifier())) {
            return false;
        }

        // Replace search string with assign.
        Mutable<ILogicalExpression> assignExpression = functionCall2.getArguments().get(0);
        LogicalVariable assignVariable = context.newVar();
        AssignOperator aOp = new AssignOperator(assignVariable, assignExpression);
        for (Mutable<ILogicalOperator> input : aggregate.getInputs()) {
            aOp.getInputs().add(input);
        }
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            VariableReferenceExpression vre = (VariableReferenceExpression) le;
            if (vre.getVariableReference() == lv) {
                return mutableLe;
            }
        } else if (le.getExpressionTag() == LogicalExpressionTag.FUNCTION_CALL) {
            AbstractFunctionCallExpression afce = (AbstractFunctionCallExpression) le;
            for (Mutable<ILogicalExpression> argExp : afce.getArguments()) {
                Mutable<ILogicalExpression> resultLe = findVariableExpression(argExp, lv);
                if (resultLe != null) {
                    return resultLe;
                }
            }
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    public static Mutable<ILogicalExpression> findVariableExpression(Mutable<ILogicalExpression> mutableLe) {
        ILogicalExpression le = mutableLe.getValue();
        if (le.getExpressionTag() == LogicalExpressionTag.VARIABLE) {
            return mutableLe;
        } else if (le.getExpressionTag() == LogicalExpressionTag.FUNCTION_CALL) {
            AbstractFunctionCallExpression afce = (AbstractFunctionCallExpression) le;
            for (Mutable<ILogicalExpression> argExp : afce.getArguments()) {
                Mutable<ILogicalExpression> resultLe = findVariableExpression(argExp);
                if (resultLe != null) {
                    return resultLe;
                }
            }
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            List<Mutable<ILogicalExpression>> finds) {
        ILogicalExpression le = mutableLe.getValue();
        if (le.getExpressionTag() == LogicalExpressionTag.VARIABLE) {
            finds.add(mutableLe);
        } else if (le.getExpressionTag() == LogicalExpressionTag.FUNCTION_CALL) {
            AbstractFunctionCallExpression afce = (AbstractFunctionCallExpression) le;
            for (Mutable<ILogicalExpression> argExp : afce.getArguments()) {
                findVariableExpressions(argExp, finds);
            }
        }
    }
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    public static Mutable<ILogicalExpression> findLastFunctionExpression(Mutable<ILogicalExpression> mutableLe) {
        ILogicalExpression le = mutableLe.getValue();
        if (le.getExpressionTag() == LogicalExpressionTag.VARIABLE) {
            return null;
        } else if (le.getExpressionTag() == LogicalExpressionTag.FUNCTION_CALL) {
            AbstractFunctionCallExpression afce = (AbstractFunctionCallExpression) le;
            for (Mutable<ILogicalExpression> argExp : afce.getArguments()) {
                if (argExp.getValue().getExpressionTag() == LogicalExpressionTag.VARIABLE) {
                    return mutableLe;
                }
                Mutable<ILogicalExpression> resultLe = findLastFunctionExpression(argExp);
                if (resultLe != null) {
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    public static Mutable<ILogicalExpression> findFirstFunctionExpression(Mutable<ILogicalExpression> mutableLe,
            FunctionIdentifier fi) {
        ILogicalExpression le = mutableLe.getValue();
        if (le.getExpressionTag() == LogicalExpressionTag.FUNCTION_CALL) {
            AbstractFunctionCallExpression afce = (AbstractFunctionCallExpression) le;
            if (afce.getFunctionIdentifier().equals(fi)) {
                return mutableLe;
            }
            for (Mutable<ILogicalExpression> argExp : afce.getArguments()) {
                Mutable<ILogicalExpression> resultLe = findFirstFunctionExpression(argExp, fi);
                if (resultLe != null) {
                    return resultLe;
                }
            }
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     */
    public static void findAllFunctionExpressions(Mutable<ILogicalExpression> mutableLe, FunctionIdentifier fi,
            List<Mutable<ILogicalExpression>> finds) {
        ILogicalExpression le = mutableLe.getValue();
        if (le.getExpressionTag() == LogicalExpressionTag.FUNCTION_CALL) {
            AbstractFunctionCallExpression afce = (AbstractFunctionCallExpression) le;
            if (afce.getFunctionIdentifier().equals(fi)) {
                finds.add(mutableLe);
            }
            for (Mutable<ILogicalExpression> argExp : afce.getArguments()) {
                findAllFunctionExpressions(argExp, fi, finds);
            }
        }
    }
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    }

    public static Function getBuiltIn(Mutable<ILogicalExpression> mutableLe) {
        ILogicalExpression le = mutableLe.getValue();
        if (le.getExpressionTag() == LogicalExpressionTag.FUNCTION_CALL) {
            AbstractFunctionCallExpression afce = (AbstractFunctionCallExpression) le;
            for (Function function : BuiltinFunctions.FUNCTION_COLLECTION) {
                if (function.getFunctionIdentifier().equals(afce.getFunctionIdentifier())) {
                    return function;
                }
            }
            for (Function function : BuiltinOperators.OPERATOR_COLLECTION) {
                if (function.getFunctionIdentifier().equals(afce.getFunctionIdentifier())) {
                    return function;
                }
            }
        }
        return null;
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        SequenceType sTypeArg;
        functionList.clear();
        ExpressionToolbox.findAllFunctionExpressions(search, getSearchFunction(), functionList);
        for (Mutable<ILogicalExpression> searchM : functionList) {
            // Get input function
            AbstractFunctionCallExpression searchFunction = (AbstractFunctionCallExpression) searchM.getValue();
            Mutable<ILogicalExpression> argFirstM = searchFunction.getArguments().get(ARG_DATA);

            // Find the input return type.
            inputSequenceType = ExpressionToolbox.getOutputSequenceType(opRef, argFirstM, dCtx);

            // Find the argument type.
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        tvp.set(treatTypeConstant.getValue(), 0, treatTypeConstant.getValue().length);
    }

    public static int getTypeExpressionTypeArgument(Mutable<ILogicalExpression> searchM) {
        final int ARG_TYPE = 1;
        AbstractFunctionCallExpression searchFunction = (AbstractFunctionCallExpression) searchM.getValue();
        ILogicalExpression argType = searchFunction.getArguments().get(ARG_TYPE).getValue();
        if (argType.getExpressionTag() != LogicalExpressionTag.CONSTANT) {
            return -1;
        }
        TaggedValuePointable tvp = (TaggedValuePointable) TaggedValuePointable.FACTORY.createPointable();
        ExpressionToolbox.getConstantAsPointable((ConstantExpression) argType, tvp);
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Related Classes of edu.uci.ics.hyracks.algebricks.core.algebra.expressions.AbstractFunctionCallExpression

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  • org.apache.vxquery.compiler.rewriter.rules.AbstractRemoveRedundantTypeExpressionsRule
  • org.apache.vxquery.compiler.rewriter.rules.ConsolidateAssignAggregateRule
  • org.apache.vxquery.compiler.rewriter.rules.ConsolidateUnnestsRule
  • org.apache.vxquery.compiler.rewriter.rules.ConvertAssignSortDistinctNodesToOperatorsRule
  • org.apache.vxquery.compiler.rewriter.rules.ConvertAssignToAggregateRule
  • org.apache.vxquery.compiler.rewriter.rules.ConvertAssignToUnnestRule
  • org.apache.vxquery.compiler.rewriter.rules.ConvertFromAlgebricksExpressionsRule
  • org.apache.vxquery.compiler.rewriter.rules.ConvertToAlgebricksExpressionsRule
  • org.apache.vxquery.compiler.rewriter.rules.EliminateSubplanForSingleItemsRule
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