Package org.apache.pig.backend.hadoop.executionengine.physicalLayer

Examples of org.apache.pig.backend.hadoop.executionengine.physicalLayer.Result

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        rt.setValue(map_2);
        EqualToExpr g = GenPhyOp.compEqualToExpr();
        g.setLhs(lt);
        g.setRhs(rt);
        g.setOperandType(DataType.MAP);
        Result r = g.getNext(new Boolean(true));
        assertEquals(POStatus.STATUS_OK, r.returnStatus);
        assertTrue((Boolean)r.result);
    }
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        rt.setValue(map_2);
        EqualToExpr g = GenPhyOp.compEqualToExpr();
        g.setLhs(lt);
        g.setRhs(rt);
        g.setOperandType(DataType.MAP);
        Result r = g.getNext(new Boolean(true));
        assertEquals(POStatus.STATUS_OK, r.returnStatus);
        assertFalse((Boolean)r.result);
    }
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        lt.setValue(null);
        rt.setValue( value );
        g.setLhs(lt);
        g.setRhs(rt);
      
        Result r = g.getNext(new Boolean(true));
        assertEquals(POStatus.STATUS_NULL, r.returnStatus);
        assertEquals(null, (Boolean)r.result);
       
        // test with null in rhs
        g.setOperandType(operandType);
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     * Counts the number of tuples processed into static variable soFar, if the number of tuples processed reach the
     * limit, return EOP; Otherwise, return the tuple
     */
    @Override
    public Result getNext(Tuple t) throws ExecException {
        Result res = null;
        Result inp = null;
        while (true) {
            inp = processInput();
            if (inp.returnStatus == POStatus.STATUS_EOP
                    || inp.returnStatus == POStatus.STATUS_ERR)
                break;
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            for (DataBag bag : dbs) {
                i++;
                if(inner[i] && !isAccumulative()){
                    if(bag.size()==0){
                        detachInput();
                        Result r = new Result();
                        r.returnStatus = POStatus.STATUS_NULL;
                        return r;
                    }
                }
               
                res.set(i+1,bag);
            }
        }
        detachInput();
        Result r = new Result();
        r.result = res;
        r.returnStatus = POStatus.STATUS_OK;
        return r;
    }
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        }
       
        if (processedSet.cardinality() == myPlans.size()) {
           
            Result inp = processInput();
           
            if (inp.returnStatus == POStatus.STATUS_EOP) {
                return inp;
            }
        
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    private Result processPlan() throws ExecException {
  
        int idx = processedSet.nextClearBit(0);
        PhysicalOperator leaf = myPlans.get(idx).getLeaves().get(0);
       
        Result res = runPipeline(leaf);
       
        if (res.returnStatus == POStatus.STATUS_EOP) {
            processedSet.set(idx++);       
            if (idx < myPlans.size()) {
                res = processPlan();
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        return (res.returnStatus == POStatus.STATUS_OK) ? res : empty;
    }
   
    private Result runPipeline(PhysicalOperator leaf) throws ExecException {
      
        Result res = null;
       
        while (true) {
           
            res = leaf.getNext(dummyTuple);
           
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        return res;
    }
   
    private Result getStreamCloseResult() throws ExecException {
        Result res = null;
       
        while (true) {
           
            if (processedSet.cardinality() == myPlans.size()) {
                Result inp = processInput();
                if (inp.returnStatus == POStatus.STATUS_OK) {               
                    Tuple tuple = (Tuple)inp.result;
                    for (PhysicalPlan pl : myPlans) {
                        pl.attachInput(tuple);
                    }
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        //and return it.
        res = mTupleFactory.newTuple(numInputs+1);
        res.set(0,key);
        res.set(1,db);
        detachInput();
        Result r = new Result();
        r.result = res;
        r.returnStatus = POStatus.STATUS_OK;
        return r;
    }
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Related Classes of org.apache.pig.backend.hadoop.executionengine.physicalLayer.Result

  • org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigCombiner$Combine
  • org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigGenericMapBase
  • org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigGenericMapReduce$MapWithPartitionIndex
  • org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigGenericMapReduce$Reduce
  • org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigGenericMapReduce$ReduceWithComparator
  • org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapBase
  • org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapReduce$MapWithPartitionIndex
  • org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapReduce$Reduce
  • org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapReduce$ReduceWithComparator
  • org.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperators.Add
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