Package org.apache.pig.data

Examples of org.apache.pig.data.DefaultTuple

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        return t;
    }
   
    public static Tuple genRandSmallBagTextTuple(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(new Boolean(r.nextBoolean()).toString());
        //TODO Fix
        //The text representation of byte array and char array
        //cannot be disambiguated without annotation. For now,
        //the tuples will not contain byte array
        //t.append(genRandTextDBA(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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    }
   
    public static DataBag genRandFullTupDataBag(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 genRandFullTupTextDataBag(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 genRandSmallBagTupleWithNulls(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));
        t.append(null);
        return t;
    }
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        return t;
    }

    public static Tuple genRandSmallBagTextTupleWithNulls(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(new Boolean(r.nextBoolean()).toString());
        //TODO Fix
        //The text representation of byte array and char array
        //cannot be disambiguated without annotation. For now,
        //the tuples will not contain byte array
        //t.append(genRandTextDBA(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));
        t.append(null);
        return t;
    }
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    public static DataBag projectBag(DataBag db2, int i) throws ExecException {
        DataBag ret = DefaultBagFactory.getInstance().newDefaultBag();
        for (Tuple tuple : db2) {
            Object o = tuple.get(i);
            Tuple t1 = new DefaultTuple();
            t1.append(o);
            ret.add(t1);
        }
        return ret;
    }
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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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    }

    @Test
    public void testStore() throws Exception {
        inpDB = GenRandomData.genRandSmallTupDataBag(new Random(), 10, 100);
        Tuple t = new DefaultTuple();
        t.append(inpDB);
        proj.attachInput(t);
        assertTrue(store() != null);
       
        int size = 0;
        BufferedReader br = new BufferedReader(new FileReader("/tmp/storeTest.txt"));
        for(String line=br.readLine();line!=null;line=br.readLine()){
            String[] flds = line.split(":",-1);
            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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    }

    @Test
    public void testStoreComplexData() throws Exception {
        inpDB = GenRandomData.genRandFullTupTextDataBag(new Random(), 10, 100);
        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()){
            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);
           
            assertEquals(true, TestHelper.bagContains(inpDB, t));
            ++size;
        }
        assertEquals(true, size==inpDB.size());
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        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);
        }
    }
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