Package org.apache.pig.newplan

Examples of org.apache.pig.newplan.OperatorSubPlan

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            return opNextToGen;
        }
       
        @Override
        public void transform(OperatorPlan matched) throws FrontendException {
            subPlan = new OperatorSubPlan(currentPlan);
           
            LOForEach foreach1 = (LOForEach)matched.getSources().get(0);
            LOGenerate gen1 = (LOGenerate)foreach1.getInnerPlan().getSinks().get(0);
           
            LOForEach foreach2 = (LOForEach)currentPlan.getSuccessors(foreach1).get(0);
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            return subPlan;
        }

        @Override
        public void transform(OperatorPlan matched) throws FrontendException {
          subPlan = new OperatorSubPlan( currentPlan );

          setupColNameMaps();
         
          FilterExtractor filterFinder = new FilterExtractor(
                    loFilter.getFilterPlan(), getMappedKeys( partitionKeys ) );
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        }
       
        @Override
        public OperatorPlan reportChanges() {
            return new OperatorSubPlan(currentPlan);
        }
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    public MapKeysPruneHelper(OperatorPlan currentPlan) {
        this.currentPlan = currentPlan;
       
        if (currentPlan instanceof OperatorSubPlan) {
            subplan = new OperatorSubPlan(((OperatorSubPlan)currentPlan).getBasePlan());
        } else {
            subplan = new OperatorSubPlan(currentPlan);
        }
    }
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            for (OperatorPlan m : matches) {
                if (transformer.check(m)) {
                    transformer.transform(m);
                }
            }
            OperatorSubPlan newPlan = (OperatorSubPlan)transformer.reportChanges();
            Assert.assertTrue(newPlan.getBasePlan().isEqual(plan));
        }
 
    }
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            for (OperatorPlan m : matches) {
                if (transformer.check(m)) {
                    transformer.transform(m);
                }
            }
            OperatorSubPlan newPlan = (OperatorSubPlan)transformer.reportChanges();

            Assert.assertTrue(newPlan.getBasePlan().size() == 3);
        }
 
    }
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    public ColumnPruneHelper(OperatorPlan currentPlan) {
        this.currentPlan = currentPlan;
    }

    private OperatorSubPlan getSubPlan() throws FrontendException {
        OperatorSubPlan p = null;
        if (currentPlan instanceof OperatorSubPlan) {
            p = new OperatorSubPlan(((OperatorSubPlan)currentPlan).getBasePlan());
        } else {
            p = new OperatorSubPlan(currentPlan);
        }
        Iterator<Operator> iter = currentPlan.getOperators();

        while(iter.hasNext()) {
            Operator op = iter.next();
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            return subPlan;
        }

        @Override
        public void transform(OperatorPlan matched) throws FrontendException {
            subPlan = new OperatorSubPlan( currentPlan );
           
            LOForEach foreach = (LOForEach)matched.getSources().get(0);
            Operator next = currentPlan.getSuccessors( foreach ).get(0);
            if( next instanceof LOSort ) {
                Operator pred = currentPlan.getPredecessors( foreach ).get( 0 );
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            return subPlan;
        }

        @Override
        public void transform(OperatorPlan matched) throws FrontendException {
          subPlan = new OperatorSubPlan( currentPlan );

          setupColNameMaps();
         
          // PIG-1871: Don't throw exception if partition filters cannot be pushed up.
          // Perform transformation on a copy of the filter plan, and replace the
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            for (OperatorPlan m : matches) {
                if (transformer.check(m)) {
                    transformer.transform(m);
                }
            }
            OperatorSubPlan newPlan = (OperatorSubPlan)transformer.reportChanges();

            Assert.assertTrue(newPlan.getBasePlan().isEqual(plan));
        }

    }
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Related Classes of org.apache.pig.newplan.OperatorSubPlan

  • org.apache.pig.newplan.logical.rules.ColumnPruneHelper
  • org.apache.pig.newplan.logical.rules.FilterAboveForeach$FilterAboveForEachTransformer
  • org.apache.pig.newplan.logical.rules.GroupByConstParallelSetter$GroupAllParallelSetterTransformer
  • org.apache.pig.newplan.logical.rules.MapKeysPruneHelper
  • org.apache.pig.newplan.logical.rules.MergeFilter$MergeFilterTransformer
  • org.apache.pig.newplan.logical.rules.MergeForEach$MergeForEachTransformer
  • org.apache.pig.newplan.logical.rules.PartitionFilterOptimizer$NewPartitionFilterPushDownTransformer
  • org.apache.pig.newplan.logical.rules.PartitionFilterOptimizer$PartitionFilterPushDownTransformer
  • org.apache.pig.newplan.logical.rules.PredicatePushdownOptimizer$PredicatePushDownTransformer
  • org.apache.pig.newplan.logical.rules.PushDownForEachFlatten$PushDownForEachFlattenTransformer
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