Package org.apache.pig.data

Examples of org.apache.pig.data.DefaultTuple$DefaultTupleRawComparator

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    }
   
    public static DataBag projectBag(DataBag db2, int[] fields) throws ExecException {
        DataBag ret = DefaultBagFactory.getInstance().newDefaultBag();
        for (Tuple tuple : db2) {
            Tuple t1 = new DefaultTuple();
            for (int fld : fields) {
                Object o = tuple.get(fld);
                t1.append(o);
            }
            ret.add(t1);
        }
        return ret;
    }
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  private void convertFromRawToTupleForm(){
    if (convertedBag == null){
      List<Tuple> ltuples = new ArrayList<Tuple>();
      for (T item : rawItemList){
        Tuple t = new DefaultTuple();
        t.append(item);
        ltuples.add(t);
      }
      convertedBag = DefaultBagFactory.getInstance().newDefaultBag(ltuples);
    }else{
      // TODO : throw exception or be silent? Currently going with silence, but needs revisiting.
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      return iter.hasNext();
    }

    @Override
    public Tuple next() {
      Tuple t = new DefaultTuple();
      t.append(iter.next());
      return t;
    }
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        cluster.shutDown();
    }
   
    @Test
    public void testSingleTupleBagAcess() throws Exception {
        Tuple inputTuple = new DefaultTuple();
        inputTuple.append("a");
        inputTuple.append("b");
       
        SingleTupleBag bg = new SingleTupleBag(inputTuple);
        Iterator<Tuple> it = bg.iterator();
        assertEquals(inputTuple, it.next());
        assertFalse(it.hasNext());
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    @Test
    public void testStoreComplexDataWithNull() throws Exception {
        Tuple inputTuple = GenRandomData.genRandSmallBagTextTupleWithNulls(new Random(), 10, 100);
        inpDB = DefaultBagFactory.getInstance().newDefaultBag();
        inpDB.add(inputTuple);
        Tuple t = new DefaultTuple();
        t.append(inpDB);
        proj.attachInput(t);
        assertTrue(store() != null);
        PigStorage ps = new PigStorage(":");
       
        int size = 0;
        BufferedReader br = new BufferedReader(new FileReader("/tmp/storeTest.txt"));
        for(String line=br.readLine();line!=null;line=br.readLine()){
            System.err.println("Complex data: ");
            System.err.println(line);
            String[] flds = line.split(":",-1);
            t = new DefaultTuple();
            t.append(flds[0].compareTo("")!=0 ? ps.bytesToBag(flds[0].getBytes()) : null);
            t.append(flds[1].compareTo("")!=0 ? ps.bytesToCharArray(flds[1].getBytes()) : null);
            t.append(flds[2].compareTo("")!=0 ? ps.bytesToCharArray(flds[2].getBytes()) : null);
            t.append(flds[3].compareTo("")!=0 ? ps.bytesToDouble(flds[3].getBytes()) : null);
            t.append(flds[4].compareTo("")!=0 ? ps.bytesToFloat(flds[4].getBytes()) : null);
            t.append(flds[5].compareTo("")!=0 ? ps.bytesToInteger(flds[5].getBytes()) : null);
            t.append(flds[6].compareTo("")!=0 ? ps.bytesToLong(flds[6].getBytes()) : null);
            t.append(flds[7].compareTo("")!=0 ? ps.bytesToMap(flds[7].getBytes()) : null);
            t.append(flds[8].compareTo("")!=0 ? ps.bytesToTuple(flds[8].getBytes()) : null);
            t.append(flds[9].compareTo("")!=0 ? ps.bytesToCharArray(flds[9].getBytes()) : null);
           
            assertTrue(TestHelper.tupleEquals(inputTuple, t));
            ++size;
        }
        FileLocalizer.delete(fSpec.getFileName(), pc);
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        return new DataByteArray(genRandString(r).getBytes());
    }
   
    public static Tuple genRandSmallTuple(Random r, int limit){
        if(r==null){
            Tuple t = new DefaultTuple();
            t.append("RANDOM");
            return t;
        }
        Tuple t = new DefaultTuple();
        t.append(genRandString(r));
        t.append(r.nextInt(limit));
        return t;
    }
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        t.append(r.nextInt(limit));
        return t;
    }
   
    public static Tuple genRandSmallTuple(String s, Integer value){
        Tuple t = new DefaultTuple();
        t.append(s);
        t.append(value);
        return t;
    }
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    }
   
    public static DataBag genRandSmallTupDataBagWithNulls(Random r, int num, int limit){
        if(r==null) {
            DataBag db = DefaultBagFactory.getInstance().newDefaultBag();
            Tuple t = new DefaultTuple();
            t.append("RANDOM");
            db.add(t);
            return db;
        }
        DataBag db = DefaultBagFactory.getInstance().newDefaultBag();
        for(int i=0;i<num;i++){
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    }
   
    public static DataBag genRandSmallTupDataBag(Random r, int num, int limit){
        if(r==null) {
            DataBag db = DefaultBagFactory.getInstance().newDefaultBag();
            Tuple t = new DefaultTuple();
            t.append("RANDOM");
            db.add(t);
            return db;
        }
        DataBag db = DefaultBagFactory.getInstance().newDefaultBag();
        for(int i=0;i<num;i++){
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        return db;
    }
   
    public static Tuple genRandSmallBagTuple(Random r, int num, int limit){
        if(r==null){
            Tuple t = new DefaultTuple();
            t.append("RANDOM");
            return t;
        }
        Tuple t = new DefaultTuple();
        t.append(genRandSmallTupDataBag(r, num, limit));
        t.append(r.nextBoolean());
        t.append(genRandDBA(r));
        t.append(genRandString(r));
        t.append(r.nextDouble());
        t.append(r.nextFloat());
        t.append(r.nextInt());
        t.append(r.nextLong());
        t.append(genRandMap(r, num));
        t.append(genRandSmallTuple(r, 100));
        return t;
    }
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