Package org.apache.hadoop.hive.serde2.io

Examples of org.apache.hadoop.hive.serde2.io.DoubleWritable

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      new ByteWritable((byte)123),
      new ShortWritable((short)456),
      new IntWritable(789),
      new LongWritable(1000),
      new FloatWritable(-0.01F),
      new DoubleWritable(5.3),
      new Text("Hadoop, HBase, and Hive"),
      new BooleanWritable(true)
    };

    // Create, initialize, and test the SerDe
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      new ByteWritable((byte)123),
      new ShortWritable((short)456),
      new IntWritable(789),
      new LongWritable(1000),
      new FloatWritable(-0.01F),
      new DoubleWritable(5.3),
      new Text("Hadoop, HBase, and Hive"),
      new BooleanWritable(true)
    };

    deserializeAndSerialize(serDe, r, p, expectedFieldsData);
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      new ByteWritable(Byte.MIN_VALUE),
      new ShortWritable(Short.MIN_VALUE),
      new IntWritable(Integer.MIN_VALUE),
      new LongWritable(Long.MIN_VALUE),
      new FloatWritable(Float.MIN_VALUE),
      new DoubleWritable(Double.MAX_VALUE),
      new Text("Hadoop, HBase, and Hive Again!"),
      new BooleanWritable(false)
    };

    // Create, initialize, and test the SerDe
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    }

    Object [][] expectedData = {
        {new Text(Integer.toString(1)), new IntWritable(1), new ByteWritable((byte) 1),
         new ShortWritable((short) 1), new LongWritable(1), new FloatWritable(1.0F),
         new DoubleWritable(1.0), new BooleanWritable(true)},
        {new Text(Integer.toString(Integer.MIN_VALUE)), new IntWritable(Integer.MIN_VALUE),
         new ByteWritable(Byte.MIN_VALUE), new ShortWritable(Short.MIN_VALUE),
         new LongWritable(Long.MIN_VALUE), new FloatWritable(Float.MIN_VALUE),
         new DoubleWritable(Double.MIN_VALUE), new BooleanWritable(false)},
        {new Text(Integer.toString(Integer.MAX_VALUE)), new IntWritable(Integer.MAX_VALUE),
         new ByteWritable(Byte.MAX_VALUE), new ShortWritable(Short.MAX_VALUE),
         new LongWritable(Long.MAX_VALUE), new FloatWritable(Float.MAX_VALUE),
         new DoubleWritable(Double.MAX_VALUE), new BooleanWritable(true)}};

    HBaseSerDe hbaseSerDe = new HBaseSerDe();
    Configuration conf = new Configuration();
    Properties tbl = createPropertiesForHiveMapHBaseColumnFamily();
    hbaseSerDe.initialize(conf, tbl);
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    Result r = new Result(kvs);

    Object [] expectedData = {
        new Text("row-key"), new ByteWritable((byte) 123), new ShortWritable((short) 456),
        new IntWritable(789), new LongWritable(1000), new FloatWritable(-0.01F),
        new DoubleWritable(5.3), new Text("Hive"), new BooleanWritable(true)
    };

    HBaseSerDe hbaseSerDe = new HBaseSerDe();
    Configuration conf = new Configuration();
    Properties tbl = createPropertiesForHiveMapHBaseColumnFamilyII_I();
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        fname.add("yvar");
        fname.add("covar");

        partialResult = new Object[6];
        partialResult[0] = new LongWritable(0);
        partialResult[1] = new DoubleWritable(0);
        partialResult[2] = new DoubleWritable(0);
        partialResult[3] = new DoubleWritable(0);
        partialResult[4] = new DoubleWritable(0);
        partialResult[5] = new DoubleWritable(0);

        return ObjectInspectorFactory.getStandardStructObjectInspector(fname, foi);

      } else {
        setResult(new DoubleWritable(0));
        return PrimitiveObjectInspectorFactory.writableDoubleObjectInspector;
      }
    }
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        fname.add("BitVector");
        fname.add("NumBitVectors");

        partialResult = new Object[6];
        partialResult[0] = new Text();
        partialResult[1] = new DoubleWritable(0);
        partialResult[2] = new DoubleWritable(0);
        partialResult[3] = new LongWritable(0);
        partialResult[4] = new Text();
        partialResult[5] = new IntWritable(0);

        return ObjectInspectorFactory.getStandardStructObjectInspector(fname,
          foi);
      } else {
        List<ObjectInspector> foi = new ArrayList<ObjectInspector>();
        foi.add(PrimitiveObjectInspectorFactory.writableStringObjectInspector);
        foi.add(PrimitiveObjectInspectorFactory.writableDoubleObjectInspector);
        foi.add(PrimitiveObjectInspectorFactory.writableDoubleObjectInspector);
        foi.add(PrimitiveObjectInspectorFactory.writableLongObjectInspector);
        foi.add(PrimitiveObjectInspectorFactory.writableLongObjectInspector);

        List<String> fname = new ArrayList<String>();
        fname.add("ColumnType");
        fname.add("Min");
        fname.add("Max");
        fname.add("CountNulls");
        fname.add("NumDistinctValues");

        result = new Object[5];
        result[0] = new Text();
        result[1] = new DoubleWritable(0);
        result[2] = new DoubleWritable(0);
        result[3] = new LongWritable(0);
        result[4] = new LongWritable(0);

        return ObjectInspectorFactory.getStandardStructObjectInspector(fname,
            foi);
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        fname.add("NumDistinctValues");

        result = new Object[5];
        result[0] = new Text();
        result[1] = new LongWritable(0);
        result[2] = new DoubleWritable(0);
        result[3] = new LongWritable(0);
        result[4] = new LongWritable(0);

        return ObjectInspectorFactory.getStandardStructObjectInspector(fname,
            foi);
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        fname.add("CountNulls");

        result = new Object[4];
        result[0] = new Text();
        result[1] = new LongWritable(0);
        result[2] = new DoubleWritable(0);
        result[3] = new LongWritable(0);

        return ObjectInspectorFactory.getStandardStructObjectInspector(fname,
            foi);
      }
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    @Override
    public ObjectInspector init(Mode m, ObjectInspector[] parameters) throws HiveException {
      assert (parameters.length == 1);
      super.init(m, parameters);
      result = new DoubleWritable(0);
      inputOI = (PrimitiveObjectInspector) parameters[0];
      return PrimitiveObjectInspectorFactory.writableDoubleObjectInspector;
    }
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