Examples of org.apache.hadoop.hive.serde2.lazybinary.LazyBinarySerDe.initialize()

Package org.apache.hadoop.hive.serde2.lazybinary

Class org.apache.hadoop.hive.serde2.lazybinary.LazyBinarySerDe

Examples of org.apache.hadoop.hive.serde2.lazybinary.LazyBinarySerDe.initialize()

org.apache.hadoop.hive.serde2.lazybinary.LazyBinarySerDe.initialize()
Initialize the SerDe with configuration and table information.

                         "struct test { i32 hello, list<string> bye, map<string,i32> another}");
      schema.setProperty(Constants.SERIALIZATION_LIB, new DynamicSerDe().getClass().toString());


      schema.setProperty(TCTLSeparatedProtocol.ReturnNullsKey, "false");
      DynamicSerDe serde = new DynamicSerDe();
      serde.initialize(new Configuration(), schema);


      ObjectInspector oi = serde.getObjectInspector();


      // Try to serialize
      BytesWritable bytes = (BytesWritable) serde.serialize(struct, oi);

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      struct.add(Integer.valueOf(234));
      struct.add(bye);
      struct.add(another);


      DynamicSerDe serde = new DynamicSerDe();
      serde.initialize(new Configuration(), schema);


      ObjectInspector oi = serde.getObjectInspector();


      // Try to serialize
      BytesWritable bytes = (BytesWritable) serde.serialize(struct, oi);

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      schema.setProperty(Constants.COLLECTION_DELIM, "1");
      schema.setProperty(Constants.LINE_DELIM, "2");
      schema.setProperty(Constants.MAPKEY_DELIM, "4");


      DynamicSerDe serde = new DynamicSerDe();
      serde.initialize(new Configuration(), schema);


      TCTLSeparatedProtocol prot = (TCTLSeparatedProtocol)serde.oprot_;
      assertTrue(prot.getPrimarySeparator().equals("\u0009"));
      
      ObjectInspector oi = serde.getObjectInspector();

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    dsp.setProperty(Constants.SERIALIZATION_FORMAT, org.apache.hadoop.hive.serde2.thrift.TCTLSeparatedProtocol.class.getName());
    dsp.setProperty(org.apache.hadoop.hive.metastore.api.Constants.META_TABLE_NAME, "result");
    dsp.setProperty(Constants.SERIALIZATION_DDL, client.getSchema());
    dsp.setProperty(Constants.SERIALIZATION_LIB, ds.getClass().toString());
    dsp.setProperty(Constants.FIELD_DELIM, "9");
    ds.initialize(new Configuration(), dsp);


    String row = client.fetchOne();
    Object o = ds.deserialize(new BytesWritable(row.getBytes()));


    assertEquals(o.getClass().toString(), "class java.util.ArrayList");

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    client.execute(sql);
    row = client.fetchOne();
    dsp.setProperty(Constants.SERIALIZATION_DDL, client.getSchema());
    // Need a new DynamicSerDe instance - re-initialization is not supported.
    ds = new DynamicSerDe();
    ds.initialize(new Configuration(), dsp);
    o = ds.deserialize(new BytesWritable(row.getBytes()));
  }


}

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      assertTrue(compare.equals( new String(bytes.get(), 0, bytes.getSize())));
      
      schema.setProperty(Constants.SERIALIZATION_DDL,
                         "struct test { i32 hello, skip list<string> bye, map<string,i32> another}");


      serde.initialize(new Configuration(), schema);


      // Try to deserialize
      Object o = serde.deserialize(bytes);
      System.out.println("o class = " + o.getClass());
      List<?> olist = (List<?>)o;

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    serDDL = serDDL.concat("}");


    dsp.setProperty(Constants.SERIALIZATION_DDL, serDDL);
    dsp.setProperty(Constants.SERIALIZATION_LIB, ds.getClass().toString());
    dsp.setProperty(Constants.FIELD_DELIM, "9");
    ds.initialize(new Configuration(), dsp);


    String row = client.fetchOne();
    Object o = ds.deserialize(new BytesWritable(row.getBytes()));


    assertEquals(o.getClass().toString(), "class java.util.ArrayList");

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    serDDL = serDDL.concat("}");


    dsp.setProperty(Constants.SERIALIZATION_DDL, serDDL);
    // Need a new DynamicSerDe instance - re-initialization is not supported.
    ds = new DynamicSerDe();
    ds.initialize(new Configuration(), dsp);
    o = ds.deserialize(new BytesWritable(row.getBytes()));
  }


  public void testAddJarShouldFailIfJarNotExist() throws Exception {
    boolean queryExecutionFailed = false;

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      // Create the SerDe
      System.out.println("test: testLazySimpleSerDe");
      LazySimpleSerDe serDe = new LazySimpleSerDe();
      Configuration conf = new Configuration();
      Properties tbl = createProperties();
      serDe.initialize(conf, tbl);


      // Data
      Text t = new Text("123\t456\t789\t1000\t5.3\thive and hadoop\t1.\tNULL");
      // Test
      deserializeAndSerializeLazySimple(serDe, t);

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            Assert.assertTrue(HCatDataCheckUtil.recordsEqual(r, (HCatRecord) s));
            Assert.assertTrue(HCatDataCheckUtil.recordsEqual(r, (HCatRecord) s2));


            // serialize using another serde, and read out that object repr.
            LazySimpleSerDe testSD = new LazySimpleSerDe();
            testSD.initialize(conf, tblProps);


            Writable s3 = testSD.serialize(s, hrsd.getObjectInspector());
            LOG.info("THREE: {}", s3);
            Object o3 = testSD.deserialize(s3);
            Assert.assertFalse(r.getClass().equals(o3.getClass()));

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