Package org.apache.pig.data

Examples of org.apache.pig.data.DefaultTuple

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        pigServer = new PigServer(ExecType.MAPREDUCE, cluster.getProperties());
    }
   
    @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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      /*
       * Tuple userKey = new DefaultTuple(); userKey.append(new String(word));
       * userKey.append(Integer.parseInt(wdct[1]));
       */
      System.out.println("in map, sortkey: " + sortKey);
      Tuple userKey = new DefaultTuple();
      if (sortKey.equalsIgnoreCase("word,count")) {
        userKey.append(new String(word));
        userKey.append(Integer.parseInt(wdct[1]));
      }

      if (sortKey.equalsIgnoreCase("count")) {
        userKey.append(Integer.parseInt(wdct[1]));
      }

      if (sortKey.equalsIgnoreCase("word")) {
        userKey.append(new String(word));
      }

      try {

        /* New M/R Interface */
 
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      /*
       * Tuple userKey = new DefaultTuple(); userKey.append(new String(word));
       * userKey.append(Integer.parseInt(wdct[1]));
       */
      System.out.println("in map, sortkey: " + sortKey);
      Tuple userKey = new DefaultTuple();
      if (sortKey.equalsIgnoreCase("word,count")) {
        userKey.append(new String(word));
        userKey.append(Integer.parseInt(wdct[1]));
      }

      if (sortKey.equalsIgnoreCase("count")) {
        userKey.append(Integer.parseInt(wdct[1]));
      }

      if (sortKey.equalsIgnoreCase("word")) {
        userKey.append(new String(word));
      }

      try {

        /* New M/R Interface */
 
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        DataBag inpDB = DefaultBagFactory.getInstance().newDefaultBag();
        BufferedReader br = new BufferedReader(new FileReader("test/org/apache/pig/test/data/InputFiles/passwd"));
       
        for(String line = br.readLine();line!=null;line=br.readLine()){
            String[] flds = line.split(":",-1);
            Tuple t = new DefaultTuple();
            for (String fld : flds) {
                t.append((fld.compareTo("")!=0 ? new DataByteArray(fld.getBytes()) : null));
            }
            inpDB.add(t);
        }
        Tuple t=null;
        int size = 0;
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        pigServer = new PigServer(ExecType.LOCAL, new Properties());
    }

    @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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        int size = 0;
        BufferedReader br = new BufferedReader(new FileReader(outputFileName));
        for(String line=br.readLine();line!=null;line=br.readLine()){
            String[] flds = line.split("\t",-1);
            Tuple t = new DefaultTuple();
            t.append(flds[0].compareTo("")!=0 ? flds[0] : null);
            t.append(flds[1].compareTo("")!=0 ? Integer.parseInt(flds[1]) : null);

            System.err.println("Simple data: ");
            System.err.println(line);
            System.err.println("t: ");
            System.err.println(t);
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        PigStorage ps = new PigStorage("\t");
        int size = 0;
        BufferedReader br = new BufferedReader(new FileReader(outputFileName));
        for(String line=br.readLine();line!=null;line=br.readLine()){
            String[] flds = line.split("\t",-1);
            Tuple t = new DefaultTuple();

            ResourceFieldSchema mapfs = GenRandomData.getRandMapFieldSchema();
            ResourceFieldSchema bagfs = GenRandomData.getSmallTupDataBagFieldSchema();
            ResourceFieldSchema tuplefs = GenRandomData.getSmallTupleFieldSchema();

            t.append(flds[0].compareTo("")!=0 ? ps.getLoadCaster().bytesToBag(flds[0].getBytes(), bagfs) : null);
            t.append(flds[1].compareTo("")!=0 ? new DataByteArray(flds[1].getBytes()) : null);
            t.append(flds[2].compareTo("")!=0 ? ps.getLoadCaster().bytesToCharArray(flds[2].getBytes()) : null);
            t.append(flds[3].compareTo("")!=0 ? ps.getLoadCaster().bytesToDouble(flds[3].getBytes()) : null);
            t.append(flds[4].compareTo("")!=0 ? ps.getLoadCaster().bytesToFloat(flds[4].getBytes()) : null);
            t.append(flds[5].compareTo("")!=0 ? ps.getLoadCaster().bytesToInteger(flds[5].getBytes()) : null);
            t.append(flds[6].compareTo("")!=0 ? ps.getLoadCaster().bytesToLong(flds[6].getBytes()) : null);
            t.append(flds[7].compareTo("")!=0 ? ps.getLoadCaster().bytesToMap(flds[7].getBytes(), mapfs) : null);
            t.append(flds[8].compareTo("")!=0 ? ps.getLoadCaster().bytesToTuple(flds[8].getBytes(), tuplefs) : null);
            t.append(flds[9].compareTo("")!=0 ? ps.getLoadCaster().bytesToBoolean(flds[9].getBytes()) : null);
            t.append(flds[10].compareTo("")!=0 ? ps.getLoadCaster().bytesToDateTime(flds[10].getBytes()) : null);
            assertEquals(true, TestHelper.bagContains(inpDB, t));
            ++size;
        }
        assertEquals(true, size==inpDB.size());
    }
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        BufferedReader br = new BufferedReader(new FileReader(outputFileName));
        for(String line=br.readLine();line!=null;line=br.readLine()){
            System.err.println("Complex data: ");
            System.err.println(line);
            String[] flds = line.split("\t",-1);
            Tuple t = new DefaultTuple();

            ResourceFieldSchema stringfs = new ResourceFieldSchema();
            stringfs.setType(DataType.CHARARRAY);
            ResourceFieldSchema intfs = new ResourceFieldSchema();
            intfs.setType(DataType.INTEGER);
            ResourceFieldSchema bytefs = new ResourceFieldSchema();
            bytefs.setType(DataType.BYTEARRAY);

            ResourceSchema tupleSchema = new ResourceSchema();
            tupleSchema.setFields(new ResourceFieldSchema[]{stringfs, intfs});
            ResourceFieldSchema tuplefs = new ResourceFieldSchema();
            tuplefs.setSchema(tupleSchema);
            tuplefs.setType(DataType.TUPLE);

            ResourceSchema bagSchema = new ResourceSchema();
            bagSchema.setFields(new ResourceFieldSchema[]{tuplefs});
            ResourceFieldSchema bagfs = new ResourceFieldSchema();
            bagfs.setSchema(bagSchema);
            bagfs.setType(DataType.BAG);

            ResourceSchema mapSchema = new ResourceSchema();
            mapSchema.setFields(new ResourceFieldSchema[]{bytefs});
            ResourceFieldSchema mapfs = new ResourceFieldSchema();
            mapfs.setSchema(mapSchema);
            mapfs.setType(DataType.MAP);

            t.append(flds[0].compareTo("")!=0 ? ps.getLoadCaster().bytesToBag(flds[0].getBytes(), bagfs) : null);
            t.append(flds[1].compareTo("")!=0 ? new DataByteArray(flds[1].getBytes()) : null);
            t.append(flds[2].compareTo("")!=0 ? ps.getLoadCaster().bytesToCharArray(flds[2].getBytes()) : null);
            t.append(flds[3].compareTo("")!=0 ? ps.getLoadCaster().bytesToDouble(flds[3].getBytes()) : null);
            t.append(flds[4].compareTo("")!=0 ? ps.getLoadCaster().bytesToFloat(flds[4].getBytes()) : null);
            t.append(flds[5].compareTo("")!=0 ? ps.getLoadCaster().bytesToInteger(flds[5].getBytes()) : null);
            t.append(flds[6].compareTo("")!=0 ? ps.getLoadCaster().bytesToLong(flds[6].getBytes()) : null);
            t.append(flds[7].compareTo("")!=0 ? ps.getLoadCaster().bytesToMap(flds[7].getBytes(), mapfs) : null);
            t.append(flds[8].compareTo("")!=0 ? ps.getLoadCaster().bytesToTuple(flds[8].getBytes(), tuplefs) : null);
            t.append(flds[9].compareTo("")!=0 ? ps.getLoadCaster().bytesToBoolean(flds[9].getBytes()) : null);
            t.append(flds[10].compareTo("")!=0 ? ps.getLoadCaster().bytesToDateTime(flds[10].getBytes()) : null);
            t.append(flds[11].compareTo("")!=0 ? ps.getLoadCaster().bytesToCharArray(flds[10].getBytes()) : null);
            assertTrue(TestHelper.tupleEquals(inputTuple, t));
        }
    }
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        lr = GenPhyOp.topLocalRearrangeOPWithPlanPlain(0,0,db.iterator().next());
        POProject proj = GenPhyOp.exprProject();
        proj.setColumn(0);
        proj.setResultType(DataType.TUPLE);
        proj.setOverloaded(true);
        Tuple t = new DefaultTuple();
        t.append(db);
        proj.attachInput(t);
        List<PhysicalOperator> inputs = new ArrayList<PhysicalOperator>();
        inputs.add(proj);
        lr.setInputs(inputs);
    }
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            // the true "value", create a tuple with "key" in
            // first position and the "value" (val) we currently
            // have in the second position
            assertEquals(1, val.size());
           
            Tuple actualVal = new DefaultTuple();
            actualVal.append(key);
            actualVal.append(val.get(0));
            //Check if the index is same as input index
            assertEquals((byte)0, (byte)(Byte)t.get(0));
           
            //Check if the input bag contains the value tuple
            assertTrue(TestHelper.bagContains(db, actualVal));
           
            //Check if the input key and the output key are same
            String inpKey = (String)actualVal.get(0);
            assertEquals(0, inpKey.compareTo((String)t.get(1)));
            ++size;
        }
       
        //check if all the tuples in the input are generated
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