Package org.apache.pig.newplan.logical.expression

Examples of org.apache.pig.newplan.logical.expression.LogicalExpressionVisitor


                // that operator is also going to be enqueued.
                currOp.accept( new AllExpressionVisitor( plan, new DependencyOrderWalker( plan ) ) {
                        @Override
                        protected LogicalExpressionVisitor getVisitor(LogicalExpressionPlan exprPlan)
                        throws FrontendException {
                            return new LogicalExpressionVisitor( exprPlan, new DependencyOrderWalker( exprPlan ) ) {
                                @Override
                                public void visit(ScalarExpression expr) throws FrontendException {
                                    Operator refOp = expr.getImplicitReferencedOperator();
                                    if( !queue.contains( refOp ) )
                                        queue.add( refOp );
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                // that operator is also going to be enqueued.
                currOp.accept( new AllExpressionVisitor( plan, new DependencyOrderWalker( plan ) ) {
                        @Override
                        protected LogicalExpressionVisitor getVisitor(LogicalExpressionPlan exprPlan)
                        throws FrontendException {
                            return new LogicalExpressionVisitor( exprPlan, new DependencyOrderWalker( exprPlan ) ) {
                                @Override
                                public void visit(ScalarExpression expr) throws FrontendException {
                                    Operator refOp = expr.getImplicitReferencedOperator();
                                    if( !queue.contains( refOp ) )
                                        queue.add( refOp );
View Full Code Here

    }

    @Override
    protected LogicalExpressionVisitor getVisitor(final LogicalExpressionPlan exprPlan)
    throws FrontendException {
        return new LogicalExpressionVisitor( exprPlan, new DependencyOrderWalker( exprPlan ) ) {

            @Override
            public void visit(ScalarExpression expr) throws FrontendException {
                // This is a scalar udf.
                ConstantExpression filenameConst = (ConstantExpression)exprPlan.getSuccessors( expr ).get( 1 );
View Full Code Here

                // that operator is also going to be enqueued.
                currOp.accept( new AllExpressionVisitor( plan, new DependencyOrderWalker( plan ) ) {
                        @Override
                        protected LogicalExpressionVisitor getVisitor(LogicalExpressionPlan exprPlan)
                        throws FrontendException {
                            return new LogicalExpressionVisitor( exprPlan, new DependencyOrderWalker( exprPlan ) ) {
                                @Override
                                public void visit(ScalarExpression expr) throws FrontendException {
                                    Operator refOp = expr.getImplicitReferencedOperator();
                                    if( !queue.contains( refOp ) )
                                        queue.add( refOp );
View Full Code Here

    }

    @Override
    protected LogicalExpressionVisitor getVisitor(final LogicalExpressionPlan exprPlan)
    throws FrontendException {
        return new LogicalExpressionVisitor( exprPlan, new DependencyOrderWalker( exprPlan ) ) {

            @Override
            public void visit(ScalarExpression expr) throws FrontendException {
                // This is a scalar udf.
                ConstantExpression filenameConst = (ConstantExpression)exprPlan.getSuccessors( expr ).get( 1 );
View Full Code Here

    }

    @Override
    protected LogicalExpressionVisitor getVisitor(final LogicalExpressionPlan exprPlan)
    throws FrontendException {
        return new LogicalExpressionVisitor( exprPlan, new DependencyOrderWalker( exprPlan ) ) {

            @Override
            public void visit(ScalarExpression expr) throws FrontendException {
                // This is a scalar udf.
                ConstantExpression filenameConst = (ConstantExpression)exprPlan.getSuccessors( expr ).get( 1 );
View Full Code Here

    abstract protected LogicalExpressionVisitor getVisitor(LogicalExpressionPlan expr) throws FrontendException;
   
    @Override
    public void visit(LOFilter filter) throws FrontendException {
        currentOp = filter;
        LogicalExpressionVisitor v = getVisitor(filter.getFilterPlan());
        v.visit();
    }
View Full Code Here

   
    @Override
    public void visit(LOLimit limit) throws FrontendException {
        currentOp = limit;
        if (limit.getLimitPlan() != null) {
            LogicalExpressionVisitor v = getVisitor(limit.getLimitPlan());
            v.visit();
        }
    }
View Full Code Here

    @Override
    public void visit(LOJoin join) throws FrontendException {
        currentOp = join;
        Collection<LogicalExpressionPlan> c = join.getExpressionPlanValues();
        for (LogicalExpressionPlan plan : c) {
            LogicalExpressionVisitor v = getVisitor(plan);
            v.visit();
        }
    }
View Full Code Here

        currentOp = cg;
        MultiMap<Integer, LogicalExpressionPlan> expressionPlans = cg.getExpressionPlans();
        for( Integer key : expressionPlans.keySet() ) {
            Collection<LogicalExpressionPlan> exprPlans = expressionPlans.get(key);
            for( LogicalExpressionPlan plan : exprPlans ) {
                LogicalExpressionVisitor v = getVisitor(plan);
                v.visit();
            }
        }
    }
View Full Code Here

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