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

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

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    }

    private static ILogicalExpression createFunctionCall(Function fn, List<LogicalVariable> vars) {
        List<Mutable<ILogicalExpression>> args = new ArrayList<Mutable<ILogicalExpression>>();
        for (LogicalVariable var : vars) {
            args.add(mutable(new VariableReferenceExpression(var)));
        }
        return new ScalarFunctionCallExpression(fn, args);
    }
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            case CONSTANT:
                VXQueryConstantValue cv = (VXQueryConstantValue) ((ConstantExpression) expr).getValue();
                return new ConstantEvaluatorFactory(cv.getValue());

            case VARIABLE:
                VariableReferenceExpression vrExpr = (VariableReferenceExpression) expr;
                int tupleFieldIndex = inputSchemas[0].findVariable(vrExpr.getVariableReference());
                return new TupleFieldEvaluatorFactory(tupleFieldIndex);

            case FUNCTION_CALL:
                ScalarFunctionCallExpression fcExpr = (ScalarFunctionCallExpression) expr;
                Function fn = (Function) fcExpr.getFunctionInfo();
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    private static ILogicalExpression vre(LogicalVariable var) {
        if (var == null) {
            throw new NullPointerException();
        }
        return new VariableReferenceExpression(var);
    }
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    }

    private static ILogicalExpression createFunctionCall(Function fn, List<LogicalVariable> vars) {
        List<Mutable<ILogicalExpression>> args = new ArrayList<Mutable<ILogicalExpression>>();
        for (LogicalVariable var : vars) {
            args.add(mutable(new VariableReferenceExpression(var)));
        }
        return new ScalarFunctionCallExpression(fn, args);
    }
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    private static ILogicalExpression vre(LogicalVariable var) {
        if (var == null) {
            throw new NullPointerException();
        }
        return new VariableReferenceExpression(var);
    }
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    }

    private static ILogicalExpression createFunctionCall(Function fn, List<LogicalVariable> vars) {
        List<Mutable<ILogicalExpression>> args = new ArrayList<Mutable<ILogicalExpression>>();
        for (LogicalVariable var : vars) {
            args.add(mutable(new VariableReferenceExpression(var)));
        }
        return new ScalarFunctionCallExpression(fn, args);
    }
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Related Classes of edu.uci.ics.hyracks.algebricks.core.algebra.expressions.VariableReferenceExpression

  • org.apache.vxquery.compiler.algebricks.VXQueryExpressionRuntimeProvider
  • org.apache.vxquery.compiler.rewriter.rules.ConsolidateAssignAggregateRule
  • org.apache.vxquery.compiler.rewriter.rules.ConvertAssignSortDistinctNodesToOperatorsRule
  • org.apache.vxquery.compiler.rewriter.rules.ConvertAssignToAggregateRule
  • org.apache.vxquery.compiler.rewriter.rules.EliminateSubplanForSingleItemsRule
  • org.apache.vxquery.compiler.rewriter.rules.EliminateUnnestAggregateSequencesRule
  • org.apache.vxquery.compiler.rewriter.rules.EliminateUnnestAggregateSubplanRule
  • org.apache.vxquery.compiler.rewriter.rules.PushFunctionsOntoEqJoinBranches
  • org.apache.vxquery.compiler.rewriter.rules.RemoveUnusedSortDistinctNodesRule
  • org.apache.vxquery.compiler.rewriter.rules.RemoveUnusedTreatRule
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