Examples of visit()


Examples of org.apache.pig.newplan.PredicatePushDownFilterExtractor.visit()

            setupColNameMaps();

            PredicatePushDownFilterExtractor filterFinder = new PredicatePushDownFilterExtractor(
                    loFilter.getFilterPlan(), getMappedKeys( predicateFields ), loadPredPushdown.getSupportedExpressionTypes() );
            filterFinder.visit();
            Expression pushDownPredicate = filterFinder.getPushDownExpression();

            if(pushDownPredicate != null) {
                // the column names in the filter may be the ones provided by
                // the user in the schema in the load statement - we may need
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Examples of org.apache.pig.newplan.logical.LogicalPlanMigrationVistor.visit()

        return newLogicalPlan;
    }
   
    private LogicalPlan migratePlan(org.apache.pig.impl.logicalLayer.LogicalPlan lp) throws VisitorException{
        LogicalPlanMigrationVistor visitor = new LogicalPlanMigrationVistor(lp);       
        visitor.visit();
        org.apache.pig.newplan.logical.relational.LogicalPlan newPlan = visitor.getNewLogicalPlan();
        return newPlan;
    }

    public class MyPlanOptimizer extends LogicalPlanOptimizer {
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Examples of org.apache.pig.newplan.logical.expression.ExpToPhyTranslationVisitor.visit()

                    // Save the old walker and use childWalker as current Walker
                    pushWalker(childWalker);
                    ExpToPhyTranslationVisitor expTranslationVisitor = new
                            ExpToPhyTranslationVisitor(expLogicalPlan,
                                    childWalker, currentOp, expPhysicalPlan, logToPhyMap);
                    expTranslationVisitor.visit();
                    popWalker();
                    PhysicalOperator root = expPhysicalPlan.getLeaves().get(0);
                    try {
                        UDFContext.getUDFContext().addJobConf(ConfigurationUtil.toConfiguration(pc.getProperties(), true));
                        PigHadoopLogger pigHadoopLogger = PigHadoopLogger.getInstance();
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Examples of org.apache.pig.newplan.logical.expression.LogicalExpressionVisitor.visit()

   
    @Override
    public void visit(LOFilter filter) throws FrontendException {
        currentOp = filter;
        LogicalExpressionVisitor v = getVisitor(filter.getFilterPlan());
        v.visit();
    }
   
    @Override
    public void visit(LOJoin join) throws FrontendException {
        currentOp = join;
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Examples of org.apache.pig.newplan.logical.optimizer.AllExpressionVisitor.visit()

        }

        @Override
        public void transform(OperatorPlan matched) throws FrontendException {
            AllExpressionVisitor expressionVisitor = new ConstantCalculatorLogicalPlanVisitor(matched, pc);
            expressionVisitor.visit();
        }

        @Override
        public OperatorPlan reportChanges() {
            return plan;
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Examples of org.apache.pig.newplan.logical.optimizer.DanglingNestedNodeRemover.visit()

     */
    public static  LogicalPlan optimizeNewLP(
            LogicalPlan lp)
    throws FrontendException{
        DanglingNestedNodeRemover DanglingNestedNodeRemover = new DanglingNestedNodeRemover( lp );
        DanglingNestedNodeRemover.visit();

        UidResetter uidResetter = new UidResetter( lp );
        uidResetter.visit();

        SchemaResetter schemaResetter =
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Examples of org.apache.pig.newplan.logical.optimizer.LogicalPlanPrinter.visit()

        ps.println("#-----------------------------------------------");
        ps.println("# New Logical Plan:");
        ps.println("#-----------------------------------------------");

        LogicalPlanPrinter npp = new LogicalPlanPrinter(this, ps);
        npp.visit();
    }
}
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Examples of org.apache.pig.newplan.logical.optimizer.SchemaResetter.visit()

        LogicalPlanMigrationVistor visitor = new LogicalPlanMigrationVistor(lp);       
        visitor.visit();
        org.apache.pig.newplan.logical.relational.LogicalPlan newPlan = visitor.getNewLogicalPlan();
       
        SchemaResetter schemaResetter = new SchemaResetter(newPlan);
        schemaResetter.visit();
       
        return newPlan;
    }
   
  
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Examples of org.apache.pig.newplan.logical.optimizer.UidResetter.visit()

          currentPlan.add(splitOutput);
          currentPlan.connect(splitOp, splitOutput);
          currentPlan.connect(splitOutput, pos.first, suc, pos.second);
        }
        UidResetter uidResetter = new UidResetter(currentPlan);
        uidResetter.visit();
      }
     
      @Override
      public OperatorPlan reportChanges() {
        return currentPlan;
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Examples of org.apache.pig.newplan.logical.relational.LogToPhyTranslationVisitor.visit()

    public static PhysicalPlan buildPhysicalPlanFromNewLP(
            LogicalPlan lp, PigContext pc)
    throws Exception {
         LogToPhyTranslationVisitor visitor = new LogToPhyTranslationVisitor(lp);
        visitor.setPigContext(pc);
        visitor.visit();
        return visitor.getPhysicalPlan();
    }
   
    public static MROperPlan buildMRPlan(PhysicalPlan pp, PigContext pc) throws Exception{
        MRCompiler comp = new MRCompiler(pp, pc);
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